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Notez la durée de la vidéo (00:17:52s), le titre (Building the MOST MANEUVERABLE submarine) ainsi que l’auteur, suivis de la description :« Obtenez votre formation gratuite sur la façon de construire CPS 5: https://www.cpsdrone.com/ Airshaper (Simulations CFD dans le cloud): https://airshaper.com/ La musique dans la vidéo provient du son épidémique (j’adore leur service). Utilisez notre lien pour un essai gratuit de 30 jours: https://share.epidemicsound.com/prtrs9 Faites-nous savoir quoi d’autre devrions-nous construire! Si vous avez l’impression que cette vidéo a amélioré votre vie, partagez-la avec: – Votre père, maman, frère, mon oncle et toute votre famille (si vous en avez un) – votre partenaire de vie (petit ami / mari / petite amie / femme) / Dentiste – Une personne aléatoire dans la rue (vous pouvez utiliser cette vidéo comme une ligne de ramassage) – Votre chien / chat / rat / poisson (cela nous permettra de nous procurer des vues supplémentaires) 0:00 – Le plus gros problème avec nos drones 0:39 – Degrees of Freedom 3:27 – Concevoir notre drone 5:02 – Choisir la couleur 6:07 – Building 10:12 – Smeling 11:54 – Le vrai test 15:41 – CONDENSATION ________ ♪ Sunset (Prod. Par Lukrembo) Lien: https://www.youtube.com/watch?v=gv7hcxcnjow ».
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Production Aérienne : L’Art de la Vidéo par Drone
Processus de création et de finition
Les phases essentielles d’une production audiovisuelle par drone
L’élaboration d’un concept précis et l’analyse des besoins sont fondamentales au début de chaque projet. Il est impératif de repérer les lieux et de planifier le tournage pour anticiper les contraintes techniques. La réalisation des images de haute qualité est confiée à des pilotes chevronnés. La phase finale, qui inclut le montage et la post-production, vise à obtenir un rendu optimal.
Stratégies de montage et d’édition
L’étalonnage et la correction des couleurs favorisent une esthétique visuelle unifiée. L’impact esthétique des vidéos est rehaussé par des transitions fluides et des effets visuels. La qualité de la bande sonore, avec musique et voix-off, contribue à une meilleure immersion et émotion pour le spectateur.
?Appareils et technologies intégrés
Les drones professionnels à avoir absolument
En matière de tournage, des drones tels que le DJI Mavic 3, l’Inspire 3 et les modèles FPV sont souvent sélectionnés pour leur performance et leur adaptabilité. En tenant compte des besoins du projet, chaque drone est sélectionné pour assurer une qualité d’image optimale.
Pourquoi les matériels additionnels sont cruciaux
Une clarté irréprochable est fournie par les caméras et capteurs professionnels. La qualité audio bénéficie de l’utilisation de microphones spécialisés. En post-production, des logiciels de pointe offrent un montage fluide et précis.
Comment s’assurer de choisir la bonne agence de production drone ?
Éléments clés à prendre en compte
Les éléments clés pour évaluer la qualité des services incluent l’expérience et le portfolio d’une agence. La sécurité des prises de vue est optimale grâce à la conformité aux réglementations aériennes. L’expertise technique, ainsi que la connaissance des dernières technologies, sont des atouts pour garantir un rendu professionnel.
Qu’est-ce qui rend la collaboration avec des experts certifiés si avantageuse ?
En toute conformité avec les normes légales, les télépilotes expérimentés réalisent des vols en toute sécurité. La personnalisation de l’accompagnement durant le projet permet de satisfaire les attentes du client et d’améliorer le rendu final.
Quels avantages offre une entreprise spécialisée dans la production de drones ?
? Les drones, un atout majeur pour la production audiovisuelle
La production vidéo est révolutionnée par les drones, qui fournissent des prises de vue aériennes saisissantes pour un rendu cinématographique. Ils assurent une flexibilité optimale, permettant la captation dans divers environnements, intérieurs et extérieurs. Ils mettent en avant une solution abordable pour les prises de vue par grue ou hélicoptère, contrairement aux approches conventionnelles.
Un changement direct dans la qualité des images aériennes
Les photographies prises en haute résolution assurent une qualité d’image exceptionnelle grâce aux technologies 4K et 8K. La combinaison de plans fluides et d’angles créatifs permet de réaliser des vidéos captivantes pour le cinéma, la publicité et les films d’entreprise.
Transformez votre communication avec une vidéo aérienne !
Collaborer avec une entreprise de drones permet d’accéder à des images à couper le souffle et de valoriser une société. La réussite d’un projet se mesure par sa capacité à attirer le public et à renforcer l’identité visuelle d’une marque. Pour donner une nouvelle dimension à votre communication, sollicitez un expert.
Les prises de vue en drone apportent une nouvelle dimension aux productions audiovisuelles. SupraDrone et E-Media Production s’associent pour créer des vidéos immersives et dynamiques. Plus d’informations sur c e service.
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#Building #MANEUVERABLE #submarine
Retranscription des paroles de la vidéo: [Music] in the past we’ve built quite a few underwater drones they worked great as you can see here but they all had one major problem it’s this they couldn’t move side to side it’s like a difference between an airplane and a helicopter an airplane can go only forward while a helicopter can move in all directions well have you ever seen those pretty shots when a flying drone is flying around the building with the camera pointed at the building well you can only achieve that if your drone has side to side motion great so the next logical question is what motor configuration is optimal for this so there exist six so-called degrees of freedom which Define the complete range of movements for any solid object they consist of three translational motions and three rotational motions for an underwater drone the translation motions are called search heave and sway left and right movement so adding the ability to actively control sway is what we’re after the rotational motions are called yaw so turning left and right pitch looking up and down and roll it’s like turning side to side so six degrees of freedom in total for our drone basically any kind of movement that it can possibly perform can be expressed with a combination of these so the most maneuverable underwater drone has to have independent movement control in all six of these degrees of freedom you could ask you could ask why not just use a motor configuration from a flying drone to power an underwater drone a normal drone can move up down left and right forward and backwards and it can also pitch roll and the doesn’t this have six controllable degrees of freedom well no if a flying drone cannot pitch or roll while staying in one place if it tries to increase its pitch it will naturally fly backward when the Drone goes left it needs to tilt it cannot tilt and not go left that’s the problem right it has four controllable degrees of freedom we want a drone that will be able to stay upright like this just right mhm and what’s really interesting if you use normal thrusters which work in both directions it’s not possible to have more independently controlled degrees of freedom than the number of thrusters you have in your drone CPS 5 for example has five Motors and so five controllable degrees of freedom the one which is missing is sway but you can also have less controllable degrees of freedom than your number of thrusters take blue rov2 for example even though it has six thrusters it can only do these five movement types it can’t really pitch another very interesting drone is the chasing M2 it has eight thrusters each one at this kind of 45° angle so it has eight thrusters and 6° of Freedom fifish V6 I think is one of the most interesting designs out there because it can move in all six degrees of freedom using only six Motors I really like their design though the very large angle of these thrusters makes me doubt the speed of the side to side motion for our prototype we just decided to cave in this design and use four Motors like in a flying drone to control the roll pitch and up and down movement and then we added four additional Motors that control the sway search and yaw so this is a configuration that has less controllable degrees of freedom than its number of Motors this has its advantages though for example if this Thruster dies or gets blocked by something the Drone will still theoretically be able to navigate in 6° of Freedom although a little bit slower redundancy is cool so after spending a couple of weeks in Fusion 360 this is the design I came up with I’m going to explain everything once I start building it we still decided to go for the acrylic pipe in a body similar to the CPS 5 comparing the two drones the new one is a little bit bigger than the old one it should have roughly two times the forward thrust though since there are twice as many Motors pointing in the forward direction we intentionally made this design more blocky than the CPS 5 because for one thing I didn’t have to spend months designing a hydrodynamic shape and it also allows me to CNC this frame out of polycarbonate which should be much more sturdy than using 3D prints it’s quite strong it’s not going to happen I actually wonder how it will affect the speed because the drag of this blocky body here will probably be much larger than the hydr dnamic 3D printed one but on the other other hand its thrust will be twice as much before I got to building we needed to choose the correct color though I want to die why did I ask you about this after much deliberation we were stuck on whether the drones should be pink so this is the pink version right or blue that would be the blue one right I like it actually so we decided to flip a coin okay this is pink yes okay come on that’s by the way some crazy ass person from Alibaba selling pink robot and it’s also apparently for kids 1.5 M what what the [ __ ] it’s bigger than your child if I have a daughter I’m just going to buy her this like for her birthday or something and it’s only $700 a piece now after we settled for pink let’s 3D print all of the parts needed for the [Music] body I use this huge CNC mill to machine the two big polycarbonate place that are the main structural components of the Drone it didn’t work out at first since my sheet started to detach from the build plate in the middle of Milling so I came back a week later with a different polycarbonate sheet this time I attached it using some wood screws instead of the puny clamps I had no problem with the sheet going off the build plate this time for components such as LEDs pressure sensor and the underwater connector I used the same process we use for the cps5 components so I covered all of the water sensitive parts in a pock foxy I especially likeed the way the waterproof LEDs came out do you see better not really no for the thrusters I used some inexpensive of the-shelf Motors they can work for a couple of months underwater you just need to make sure that no salt will accumulate inside of them after you swim in salt water oh yeah it’s really amazing how much life you can get out of these inexpensive Motors when you use them underwater when it comes to the electronics we used a very similar design to the cps5 electronics but a little bit scaled up for the battery we went with a little bit higher capacity Samsung 30q cells and arranged them in the 3s 3p configuration which gave us almost double the battery capacity we used two 4in one esc’s as the motor drivers and without any prior testing added this tiny fun to cool them these are CPS 5 electronics and this is what we have now I hope the electronics will not overheat that’s a lot of freaking wires all right also for this drone we decided to design a camera tilting system with which you would be able to look up and down at any time regardless of the orientation of your drone for that we bought this acrylic Dome and an entire end cup from a company called ROV maker but after disassembling it and assembling it again the Dome cracked and it wasn’t watertight anymore we decided to order an another one anyway this is the camera tilting system I designed specifically for this Dome I spent like a day designing it and another day to print everything and put it all together and it was really awesome look at how perfect this works I think this looks great with the pink we went for a similar end cup design to the one we had in the CPS 5 so we did all of the usual endup assembly we do for our drones so we cut the cables covered them all in a boxy you can learn more about this process in our videos and after the end cups were done we tested them in our DIY pressure chamber and concluded that they will work I think we can conclude that the end cup works then I had all of the parts ready and put everything together surprise the Dome we ordered from ROV maker cracked again something must have been wrong with the material of the Dome so yeah we can’t really recommend ROV maker and later we actually noticed that most of their products are actually cheap knockoffs of blue robotics products anyway I just decided to use the same polycarbonate we used for the body of the Drone to cut a small window for the front of the pipe and use that instead of the Dome so unfortunately I had to dismantle my amazing camera tilting system for now and by the way the open- source software that runs on our drones is called ardus up and it’s maintained by Blue robotics this software is really awesome because it allows you to set up the steering and control for an roovv like this one in a matter of a couple of minutes so thank you very much blue robotics before I assembled everything we confirmed that the Drone works properly what I’m doing rigorous testing now so this is the rigorous testing you were talking about yes finish up will it smell does it smell yes we can ignore this issue despite that I decided to ignore this issue and proceed with the assembly okay so you need to stand here and certify the smelling because I’m not sure all right I will be a sniffer you need to certify this smell are you ready oh it’s already uh smells not anymore it was one time sniff is sniffer ready yes maybe it always smells when you swim fast smelling just smelling around right does it work yes it works but why does it smell we just think it’s okay we just said it’s okay because we realized that it’s was actually one of the motors that overheated then we added some buoyancy foam confirmed that the buoyancy of the Drone is slightly positive as it should be and then decided to give it a test run in this plastic box perfect perfect do you see this such a great drone ah can you try rotating it then we were finally ready for the real test welcome perfect hello on the first try the Drone worked perfectly normally when you build something it’s never that easy and something always breaks so I guess this was just a stroke of luck I don’t know man I think we need to call it I don’t want to destroy it the side to side motion was really good indeed and the overall self-leveling and stabilization worked really [Music] well here is the Drone operating while leveling at a custom angle so then we decided to test how fast this drone is compared to the CPS 5 oh we tested this over an entire 25 M of the length of the pool by the way it’s so much easier to swim with this drone in a straight line because if it drifts off to the side a little bit I can just use the joystick to Move It from side to side and go back on track then we tested the CPS 5 its average speed was about 2 m/ seconds I think that’s like 1 m/ second maybe yeah it’s slower definitely see it’s slower okay and the speed of the new one is below 1 m/ second this much exactly okay we can conclude that the Drone is way less hydrodynamic therefore it’s way slower that’s that’s right later we got access to a tool called airshaper with which we got to see the actual difference between the drag of both drones so would you say that compared to the last one one is quite horrible yes yes this is just looking at the red clouds the red clouds actually indicate a loss of energy and this is all over the place that’s vter the CEO of Earth shaper at least that’s what he told us and these are the drug coefficients for both drones that’s a really big difference here first of all the general shape is very boxy and if you go from the front to the top there’s a 90 degree angle which means that the water just jumps across and then lands again low pressure right yes yes because the air needs to accelerate jump across and creates this suction effect he was really helpful in general do you think that this design is hydrodynamic it’s quite okay it’s quite of course you can make it much much better if you want to run computational fluid dynamic simulations in a cloud with really good detailed reports air shaper might be good for you even if you are a total beginner link to it in the description and thanks again voter so actually the 1 m per second top speed is something that makes this drone basically unusable in real life [Applause] conditions a CA current of 1 m/s is actually not a large current and an ROV that can’t operate in these kinds of currents is kind of useless and so if you want to build an underwater drone that we’ve been actually improving for the past couple of years the CPS 5 that has been already built by m multiple people and is actually usable in real life conditions check out the cps5 online course we’ll teach you everything you need to know to build it even if you haven’t done anything like this before the link is in the description anyway after swimming for a couple of minutes in the water we noticed some condensation appearing in the Drone condensation um I’m seeing why condensation I think we need to call it I don’t want to destroy it guess what turns out I was right earlier saying that something always breaks but did it actually break we thought that the Drone was obviously leaking so we took it back to our Workshop we’ve checked every single place where the leak might be we’ve concluded that in the end there wasn’t a leak like for example the water could be before in these holes you know because it was wet before I mean I did my best to dry it as best as I could but I only had like an hour so a couple of drops of water were in the pipe before we took the Drone to the pool just by accident and this caused the air inside of the pipe to contain a lot of water vapor that’s condensated on the cold walls of the pipe there is an easy solution to this problem though you can just use a little bit of silica gel and and put it in your pressure prooof container then any moisture that would be present in the actual pipe will be sucked in by the silica gel so all in all we think that this omnidirectional drone has its advantages but CPS 5 has a far superior design remember to check out the cps5 course to build your own underwater drone with us we are also going to upload all of the design files of the omnidirectional drone there as well thank you so much the Titan submarine right this guy made a vlog from the Titan submarine yeah and he shows because they were doing like a test dve to very shallow dep he showed how the entire wall is is very wet because of the because because the ocean is very cold right that’s the reason so this is our Titan window here .
Déroulement de la vidéo:
0.69 [Music]
0.69 in the past we&;ve built quite a few
0.69 underwater drones they worked great as
0.69 you can see here but they all had one
0.69 major problem it&;s
0.69 this they couldn&;t move side to side
0.69 it&;s like a difference between an
0.69 airplane and a helicopter an airplane
0.69 can go only
0.69 forward while a helicopter can move in
0.69 all
0.69 directions well have you ever seen those
0.69 pretty shots when a flying drone is
0.69 flying around the building with the
0.69 camera pointed at the building well you
0.69 can only achieve that if your drone has
0.69 side to side motion great so the next
0.69 logical question is what motor
0.69 configuration is optimal for this so
0.69 there exist six so-called degrees of
0.69 freedom which Define the complete range
0.69 of movements for any solid object they
0.69 consist of three translational motions
0.69 and three rotational motions for an
0.69 underwater drone the translation motions
0.69 are called search heave and sway left
0.69 and right movement so adding the ability
0.69 to actively control sway is what we&;re
0.69 after the rotational motions are called
0.69 yaw so turning left and right pitch
0.69 looking up and down and roll it&;s like
0.69 turning side to side so six degrees of
0.69 freedom in total for our drone basically
0.69 any kind of movement that it can
0.69 possibly perform can be expressed with a
0.69 combination of these so the most
0.69 maneuverable underwater drone has to
0.69 have independent movement control in all
0.69 six of these degrees of
0.69 freedom you could
0.69 ask you could ask why not just use a
0.69 motor configuration from a flying drone
0.69 to power an underwater drone a normal
0.69 drone can move up down left and right
0.69 forward and backwards and it can also
0.69 pitch roll and the doesn&;t this have six
0.69 controllable degrees of freedom well no
0.69 if a flying drone cannot pitch or roll
0.69 while staying in one place if it tries
0.69 to increase its pitch it will naturally
0.69 fly backward when the Drone goes left it
0.69 needs to tilt it cannot tilt and not go
0.69 left that&;s the problem right it has
0.69 four controllable degrees of
0.69 freedom we want a drone that will be
0.69 able to stay upright like this
0.69 just right mhm and what&;s really
0.69 interesting if you use normal thrusters
0.69 which work in both directions it&;s not
0.69 possible to have more independently
0.69 controlled degrees of freedom than the
0.69 number of thrusters you have in your
0.69 drone CPS 5 for example has five Motors
0.69 and so five controllable degrees of
0.69 freedom the one which is missing is sway
0.69 but you can also have less controllable
0.69 degrees of freedom than your number of
0.69 thrusters take blue rov2 for example
0.69 even though it has six thrusters it can
0.69 only do these five movement types it
0.69 can&;t really pitch another very
0.69 interesting drone is the chasing M2 it
0.69 has eight thrusters each one at this
0.69 kind of 45° angle so it has eight
0.69 thrusters and 6° of Freedom fifish V6 I
0.69 think is one of the most interesting
0.69 designs out there because it can move in
0.69 all six degrees of freedom using only
0.69 six Motors I really like their design
0.69 though the very large angle of these
0.69 thrusters makes me doubt the speed of
0.69 the side to side motion for our
0.69 prototype we just decided to cave in
0.69 this design and use four Motors like in
0.69 a flying drone to control the roll pitch
0.69 and up and down movement and then we
0.69 added four additional Motors that
0.69 control the sway search and yaw so this
0.69 is a configuration that has less
0.69 controllable degrees of freedom than its
0.69 number of Motors this has its advantages
0.69 though for example if this Thruster dies
0.69 or gets blocked by something the Drone
0.69 will still theoretically be able to
0.69 navigate in 6° of Freedom although a
0.69 little bit slower redundancy is cool so
0.69 after spending a couple of weeks in
0.69 Fusion 360 this is the design I came up
0.69 with I&;m going to explain everything
0.69 once I start building it we still
0.69 decided to go for the acrylic pipe in a
0.69 body similar to the CPS 5 comparing the
0.69 two drones the new one is a little bit
0.69 bigger than the old one it should have
0.69 roughly two times the forward thrust
0.69 though since there are twice as many
0.69 Motors pointing in the forward direction
0.69 we intentionally made this design more
0.69 blocky than the CPS 5 because for one
0.69 thing I didn&;t have to spend months
0.69 designing a hydrodynamic shape and it
0.69 also allows me to CNC this frame out of
0.69 polycarbonate which should be much more
0.69 sturdy than using 3D prints it&;s quite
0.69 strong it&;s not going to happen I
0.69 actually wonder how it will affect the
0.69 speed because the drag of this blocky
0.69 body here will probably be much larger
0.69 than the hydr dnamic 3D printed one but
0.69 on the other other hand its thrust will
0.69 be twice as much before I got to
0.69 building we needed to choose the correct
0.69 color
0.69 though I want to die why did I ask you
0.69 about
0.69 this after much deliberation we were
0.69 stuck on whether the drones should be
0.69 pink so this is the pink version right
0.69 or blue that would be the blue one right
0.69 I like it actually so we decided to flip
0.69 a coin okay this is pink yes okay come
0.69 on that&;s by the way some crazy ass
0.69 person from Alibaba selling pink robot
0.69 and it&;s also apparently for kids 1.5 M
0.69 what what the
0.69 [ __ ] it&;s bigger than your
0.69 child
0.69 if I have a daughter I&;m just going to
0.69 buy her this like for her birthday or
0.69 something and it&;s only $700 a piece now
0.69 after we settled for pink let&;s 3D print
0.69 all of the parts needed for the
0.69 [Music]
0.69 body I use this huge CNC mill to machine
0.69 the two big polycarbonate place that are
0.69 the main structural components of the
0.69 Drone it didn&;t work out at first since
0.69 my sheet started to detach from the
0.69 build plate in the middle of
0.69 Milling so I came back a week later with
0.69 a different polycarbonate sheet this
0.69 time I attached it using some wood
0.69 screws instead of the puny clamps I had
0.69 no problem with the sheet going off the
0.69 build plate this
0.69 time for components such as LEDs
0.69 pressure sensor and the underwater
0.69 connector I used the same process we use
0.69 for the cps5 components so I covered all
0.69 of the water sensitive parts in a pock
0.69 foxy I especially likeed the way the
0.69 waterproof LEDs came out do you see
0.69 better not really no for the thrusters I
0.69 used some inexpensive of the-shelf
0.69 Motors they can work for a couple of
0.69 months underwater you just need to make
0.69 sure that no salt will accumulate inside
0.69 of them after you swim in salt water oh
0.69 yeah it&;s really amazing how much life
0.69 you can get out of these inexpensive
0.69 Motors when you use them underwater when
0.69 it comes to the electronics we used a
0.69 very similar design to the cps5
0.69 electronics but a little bit scaled up
0.69 for the battery we went with a little
0.69 bit higher capacity Samsung 30q cells
0.69 and arranged them in the 3s 3p
0.69 configuration which gave us almost
0.69 double the battery capacity we used two
0.69 4in one esc&;s as the motor drivers and
0.69 without any prior testing added this
0.69 tiny fun to cool them these are CPS 5
0.69 electronics and this is what we have now
0.69 I hope the electronics will not overheat
0.69 that&;s a lot of freaking wires all right
0.69 also for this drone we decided to design
0.69 a camera tilting system with which you
0.69 would be able to look up and down at any
0.69 time regardless of the orientation of
0.69 your drone for that we bought this
0.69 acrylic Dome and an entire end cup from
0.69 a company called ROV maker but after
0.69 disassembling it and assembling it again
0.69 the Dome cracked and it wasn&;t
0.69 watertight anymore we decided to order
0.69 an another one anyway this is the camera
0.69 tilting system I designed specifically
0.69 for this Dome I spent like a day
0.69 designing it and another day to print
0.69 everything and put it all together and
0.69 it was really awesome look at how
0.69 perfect this works I think this looks
0.69 great with the pink we went for a
0.69 similar end cup design to the one we had
0.69 in the CPS 5 so we did all of the usual
0.69 endup assembly we do for our drones so
0.69 we cut the cables covered them all in a
0.69 boxy
0.69 you can learn more about this process in
0.69 our videos and after the end cups were
0.69 done we tested them in our DIY pressure
0.69 chamber and concluded that they will
0.69 work I think we can conclude that the
0.69 end cup works then I had all of the
0.69 parts ready and put everything
0.69 together surprise the Dome we ordered
0.69 from ROV maker cracked again something
0.69 must have been wrong with the material
0.69 of the Dome so yeah we can&;t really
0.69 recommend ROV maker and later we
0.69 actually noticed that most of their
0.69 products are actually cheap knockoffs of
0.69 blue robotics products anyway I just
0.69 decided to use the same polycarbonate we
0.69 used for the body of the Drone to cut a
0.69 small window for the front of the pipe
0.69 and use that instead of the Dome so
0.69 unfortunately I had to dismantle my
0.69 amazing camera tilting system for now
0.69 and by the way the open- source software
0.69 that runs on our drones is called ardus
0.69 up and it&;s maintained by Blue robotics
0.69 this software is really awesome because
0.69 it allows you to set up the steering and
0.69 control for an roovv like this one in a
0.69 matter of a couple of minutes so thank
0.69 you very much blue robotics before I
0.69 assembled everything we confirmed that
0.69 the Drone works
0.69 properly what I&;m doing rigorous testing
0.69 now so this is the rigorous testing you
0.69 were talking about
0.69 yes
0.69 finish up will it
0.69 smell does it smell
0.69 yes we can ignore this issue despite
0.69 that I decided to ignore this issue and
0.69 proceed with the assembly okay so you
0.69 need to stand here and certify the
0.69 smelling because I&;m not sure all right
0.69 I will be a
0.69 sniffer you need to certify this
0.69 smell are you ready oh it&;s already uh
0.69 smells not anymore it was one time
0.69 sniff is sniffer ready
0.69 yes maybe it always smells when you swim
0.69 fast
0.69 smelling just smelling around right does
0.69 it work yes it works but why does it
0.69 smell we just think it&;s okay we just
0.69 said it&;s okay because we realized that
0.69 it&;s was actually one of the motors that
0.69 overheated then we added some buoyancy
0.69 foam confirmed that the buoyancy of the
0.69 Drone is slightly positive as it should
0.69 be and then decided to give it a test
0.69 run in this plastic box perfect perfect
0.69 do you see this such a great drone ah
0.69 can you try rotating
0.69 it then we were finally ready for the
0.69 real test welcome perfect
0.69 hello on the first try the Drone worked
0.69 perfectly normally when you build
0.69 something it&;s never that easy and
0.69 something always breaks so I guess this
0.69 was just a stroke of
0.69 luck I don&;t know man I think we need to
0.69 call it I don&;t want to destroy
0.69 it the side to side motion was really
0.69 good indeed and the overall
0.69 self-leveling and stabilization worked
0.69 really
0.69 [Music]
0.69 well here is the Drone operating while
0.69 leveling at a custom angle so then we
0.69 decided to test how fast this drone is
0.69 compared to the CPS
0.69 5 oh we tested this over an entire 25 M
0.69 of the length of the
0.69 pool by the way it&;s so much easier to
0.69 swim with this drone in a straight line
0.69 because if it drifts off to the side a
0.69 little bit I can just use the joystick
0.69 to Move It from side to side and go back
0.69 on track then we tested the CPS 5 its
0.69 average speed was about 2 m/ seconds I
0.69 think that&;s like 1 m/ second
0.69 maybe yeah it&;s slower definitely see
0.69 it&;s slower okay and the speed of the
0.69 new one is below 1 m/ second this much
0.69 exactly okay we can conclude that the
0.69 Drone is way less hydrodynamic therefore
0.69 it&;s way slower that&;s that&;s right
0.69 later we got access to a tool called
0.69 airshaper with which we got to see the
0.69 actual difference between the drag of
0.69 both
0.69 drones so would you say that compared to
0.69 the last one one is quite
0.69 horrible yes yes this is
0.69 just looking at the red clouds the red
0.69 clouds actually indicate a loss of
0.69 energy and this is all over the place
0.69 that&;s vter the CEO of Earth shaper at
0.69 least that&;s what he told us and these
0.69 are the drug coefficients for both
0.69 drones that&;s a really big difference
0.69 here first of all the general shape is
0.69 very boxy and if you go from the front
0.69 to the top there&;s a 90 degree angle
0.69 which means that the water just jumps
0.69 across and then lands again low pressure
0.69 right
0.69 yes yes because the air needs to
0.69 accelerate jump across and creates this
0.69 suction effect he was really helpful in
0.69 general do you think that this design is
0.69 hydrodynamic it&;s quite okay it&;s quite
0.69 of course you can make it much much
0.69 better if you want to run computational
0.69 fluid dynamic simulations in a cloud
0.69 with really good detailed reports air
0.69 shaper might be good for you even if you
0.69 are a total beginner link to it in the
0.69 description and thanks again voter so
0.69 actually the 1 m per second top speed is
0.69 something that makes this drone
0.69 basically unusable in real life
0.69 [Applause]
0.69 conditions a CA current of 1 m/s is
0.69 actually not a large current and an ROV
0.69 that can&;t operate in these kinds of
0.69 currents is kind of useless and so if
0.69 you want to build an underwater drone
0.69 that we&;ve been actually improving for
0.69 the past couple of years the CPS 5 that
0.69 has been already built by m multiple
0.69 people and is actually usable in real
0.69 life conditions check out the cps5
0.69 online course we&;ll teach you everything
0.69 you need to know to build it even if you
0.69 haven&;t done anything like this before
0.69 the link is in the description anyway
0.69 after swimming for a couple of minutes
0.69 in the water we noticed some
0.69 condensation appearing in the Drone
0.69 condensation um I&;m seeing why
0.69 condensation
0.69 I think we need to call
0.69 it I don&;t want to destroy it guess what
0.69 turns out I was right earlier saying
0.69 that something always
0.69 breaks but did it actually break we
0.69 thought that the Drone was obviously
0.69 leaking so we took it back to our
0.69 Workshop we&;ve checked every single
0.69 place where the leak might be we&;ve
0.69 concluded that in the end there wasn&;t a
0.69 leak like for example the water could be
0.69 before in these holes you know because
0.69 it was wet before I mean I did my best
0.69 to dry it as best as I could but I only
0.69 had like an hour so a couple of drops of
0.69 water were in the pipe before we took
0.69 the Drone to the pool just by accident
0.69 and this caused the air inside of the
0.69 pipe to contain a lot of water vapor
0.69 that&;s condensated on the cold walls of
0.69 the pipe there is an easy solution to
0.69 this problem though you can just use a
0.69 little bit of silica gel and and put it
0.69 in your pressure prooof container then
0.69 any moisture that would be present in
0.69 the actual pipe will be sucked in by the
0.69 silica gel so all in all we think that
0.69 this omnidirectional drone has its
0.69 advantages but CPS 5 has a far superior
0.69 design remember to check out the cps5
0.69 course to build your own underwater
0.69 drone with us we are also going to
0.69 upload all of the design files of the
0.69 omnidirectional drone there as well
0.69 thank you so much the Titan submarine
0.69 right this guy made a vlog from the
0.69 Titan submarine yeah and he shows
0.69 because they were doing like a test dve
0.69 to very shallow dep he showed how the
0.69 entire wall is is very wet because of
0.69 the because because the ocean is very
0.69 cold right that&;s the reason so this is
0.69 our Titan window here
.