Turbo Kwad!! - the ULTIMATE Race Drone?

Shawn's newest invention: A kwad with a FIFTH motor for BOOST! Can he beat Vanover in a race with his new setup?
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FPV Freestyle Pilots / Hosts -
Drew Camden [Le Drib]
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[@AlexFliesDrones]

Getting Shaun (lets fly RC) to join the rotor riot team was a good decision. His ideas for videos have def boosted entertainment for rotor riot a lot. It’s fun to watch these hehe

[@SloppyMechanics]

Would like to see it integrated into the throttle somehow making it easier for him to apply smoothly

[@thelethalmoo]

or mounted on a servo so it always pushed foward

[@FPVian]

This could be done easily with logic switches in opentx

[@beardyblair2943]

I used a side slider on a horus x10s controller to do just that :)

[@reminoel483]

Sup matt!!! Didn't knew u were into miniquads!

[@Georgehanes-GJH105775]

You can add it to the motor mixer for forward pitch.

[@austinsmith9413]

The torque is throwing the entire thing off. You should get some counter rotating 3' motors and use that as the "turbo".

[@FamilienHansen]

Also my thoughts!

[@flyingsrn]

I think this could help. double-turbo is better than single-turbo ;)

[@drewharrison6433]

Get some of those crazy Nazgul 3061 props for it.

[@dodo3441]

making sure the thrust vector goes through the cg would probably help a lot

[@tommiller856]

All alternatively you could have the prop mounted in such a way that its force goes through the center of the drone, then you wouldn't have the offbalance at least

[@no-trick-pony]

Man, seeing how that quad sheared right through a metal post makes you realize that shit is dangerous.

[@furonwarrior]

That’s why we have insurance with the AMA. lol

[@teresashinkansen9402]

Well if that quad weights about 400g and is going at around 40m/s (about 145km/h or 90mph) Gives a kinetic energy of 320j that's about the same energy as a .38 Special or about half the of the maximum measured energy of a horse kick.

[@liberrimo7713]

Rather than flip on switch, make a pedal switch. The best will be with potentiometer, just like accelerator pedal.

[@bergermanfpv]

Another one, lol. I just wrote this then scroll down and see a couple of you beat me to it ✌️

[@dutchfpv7010]

Yeah like a Wah pedal or a sewing machine. You use your feet when you fly a real helicopter, so this is actually a spot on idea. Yours was too BergerMan ; )

[@rocketquad5888]

Good idea! You can buy guitar volume or expression pedals for cheap.

[@ZuNunchaku]

Or use switch and integrating with throttle

[@RubberTag]

Isn't implementing it to the Throttle the better way?

[@TheDro]

3:56 "Mad props" to the editor for the slick cut

[@jedithusnbixby2108]

Mad props cuz of the quad has an extra prop?

[@underscore_tip]

that counts as a slick cut?

[@jaggyfpv3865]

If you use two counter rotating motors you could counteract the roll torque moment the one motor causes. As far as the pitch moment created, the mount for the motor could be lowered to be more in line with the center of mass, but that might be a little more impractical. Loving all the fun ideas!

[@JoshuaBardwell]

Wanna see how to set up the servo channel output to do this yourself? kzbin.info/www/bejne/oJqnZ5R5ZdFkjLM&ab_channel=JoshuaBardwell I think part of the problem is that the motor isn't pushing through the CG of the quad, so it is imparting a net-torque which the motors must overcome.

[@jana171]

Totally agree... And maybe a way to overcome the abruptness of the turbo turning on and off would be to somehow just directly take throttle input to the "auxiliary" engine from the Pitch angle, which would enable hovering and would not require pilot to activate anything during the course... I definitely like this build ALOT !

[@ruuster83]

Agreed. They may as well keep rotating that motor past the cam angle until its the same as the other 4 and just have 5 motors' thrust, unbalanced though

[@boonjuefpvboonjue1230]

Should of flown Bardwell out for this one! His name is fpvknowitall for a reason!

[@christophergay48]

Joshua Bardwell could the switch channel be mixed with the throttle to come on during mid and full instead of having a separate switch? Or will it be too difficult to fly normally?

[@divingfalconfpv4602]

Yea first thing I was thinking. It's high up. Trying to flip the drone.

[@young_fella]

I dont know if you guys are gonna read this, but I just wanted to say that I love this direction that rotor riot is going!!! I think the focus on building, wild experimentation, and exploring the niches of what can be done for drones is far more entertaining and captivating than going over various freestyle tricks, compilations, or product reviews. The amount of potential behind what can be done with spinning motors excites me and I hope that you guys bring it further in this direction!!!

[@rmdcade1717]

There's so much pure joy in this. Thanks for a truly fun video.

[@momp87]

I wss just about to comment the same. Awesome episode! 😀

[@Vousie]

This is *amazing*. This is my favourite type of video - a clever idea that basically anyone could do if they had that idea, but that results in much laughter among all of them. Reminds me of the "third person footrace" one.

[@peteronthefarm8430]

It is amazing how much damage it did to the rebar while all the carbon on the drone is intact.

[@SuperUltimateLP]

Its a aluminum pipe and a thin walled as well... Still deadly but definitely not rebar!

[@NicholasRehm]

Now put wings on it and get rid of the vertical lift moto.... wait

[@scottzarkos3466]

best comment 2020. HAPPY NEWYEARS!

[@oadka]

hoping to implement your vtol controller someday....fingers crossed

[@matfpv287]

Drew is hyping DJI like analog didn't have BF OSD before HD was even a thing.

[@craigjohnstone87]

"With the dji system i can change my rates right in the goggle." Pretty sure that's been doable for years before dji digital system. And i would love to see van rock up at a race sporting the dji goggles for a "nicer experience" haha

[@stinkerton]

Sure, but you can't physically use your analog goggle to make changes, I think that is what he was pointing out.

[@BuildItWithBenjamin]

Gotta sell those glorious HD fpv sets to stay in business... Lol

[@craigjohnstone87]

@@stinkerton but can you change the rates from inside the analogue goggles on the screens without a computer? He even stated you would normally need to hook it up to a laptop if your out in the field. Which is just not true!

[@BoosiveFPV]

You've got to remember. RR don't aim there content at us, the guys that have been in the hobby for quite some time. Especially where shilling is concerned thats for sure. We aren't their main audience.

[@SkyCandyVisuals]

"I just need to get used to it" MAX "turbo boost" yea ok 12:22 Breaks rebar at MACH6 !!! haha Nice Full send Vanny

[@niloyrun]

Excellent idea ! One suggestion: You can tune the 5th motor to turn on at above 50% throttle. That way it will work more efficiently and help increase the speed more at straight line / higher throttle

[@PhelixHerrArse]

Sounds and looks like vanny is finally hitting puberty🤣🤣

[@dantecusolito8513]

He’s even engaged!

[@flo-ridafpv5713]

@@dantecusolito8513 he'll calm even more ...after the honeymoon ;) Hes been savin it a loooong time lol

[@100100freak]

for real :D

[@llickmogan]

Vanny n drew got engaged?

[@flo-ridafpv5713]

@@llickmogan lol....Vanny met a church girl

[@Zomby_Woof]

At 61 this year, I can add pro drone pilot to the list of things I'm too old and slow for.

[@RandoManFPV]

3:40 my man out here doing his best camera work 😂 hahaha I'm glad this dudes crazy builds always gets yall together for a good time 😊

[@christopherj3367]

should have used a double motor on the back/bottom to even out the rotational force, it might have made it a smoother flight.

[@terranovarain6570]

Omg yeah wasn't thinking about that and that would be insane

[@terranovarain6570]

Could even have crazy yaw authority using thrust differential maybe help with turning Edit: Should have each one turning to the outside so the torque difference when using thrust difference actually helps with the turn too Be even crazier if you could get it going fast enough forward to auto rotate the quad drone gyro Put 4 motors on the back the battery in the front for balance get some up and down to have reversible props on all 8 motors need a cyborg to fly it 😆 Have fun tuning that thing 😆🥴😖 Prop hangs and stands inverted craziness

[@indroneswetrust1]

That was freaking crazily insane!!! Good job Sean for built the turbo with 5th motor for turbo speed! That was super fun to watch and I can't believed this bike could bent and cracked the pipe of the gate!! 😯😯 I was shocked and it only got broken stack! The frame is truly strongest! 👏🏼👏🏼👏🏼 Good job for caption over for flying good job! 👏🏼👏🏼👏🏼 And thanks drew for taking videotaped! 👊🏼 Good job guys! 👏🏼👏🏼👏🏼

[@MagicFPV]

Love the new fun direction of the channel

[@frankkphy]

Yes! Please revisit this in the future!

[@christianmarkussen6412]

The hysterical laughing from all of them was hilarious, I was on the floor laughing. Priceless😄😂😂

[@sleepingbearffg5008]

Big kids having fun!!👊💪👊💪

[@highwaymen1237]

Could you please do a detailed description of how you hooked up the ESC to another Channel. I watched the video when Joshua showed you how but it didn't make sense. Thanks

[@LetsFlyRC]

Keep an eye on my channel for the behind the scenes series. ;)

[@highwaymen1237]

@@LetsFlyRC Does your channel have a video now or is it going to be uploaded in the near future? Thank you.

[@highwaymen1237]

@@LetsFlyRC I wanted to do something similar to your magnetic quad. I tried it with a Servo but it wouldn't work. Thanks.

[@YQVN35]

that made me laugh with tears..thank you guys I needed it

[@ZEGHunterRowlette]

One of the best videos ever

[@Fpvfreaky]

A foot pedal switch would make it a lot more easier to operate than a flick of a switch great stuff. Can’t believe that rebar 😂

[@bergermanfpv]

Just wrote that then scroll down and see you beat me to it by 10hrs, lol ✌️

[@fprintf]

that isn't rebar. It is just a lightweight aluminum bar. You can bend it with your knee especially at that length. No way you can bend rebar (the type of bar that goes in concrete).

[@bergermanfpv]

@@fprintf yeah I was laughing when Vanny said that too. That's like the cheapest most brittle aluminum tubing you can get 😂😂😂

[@mathieuf.2788]

What about placing a momentary switch under the remote, hold down with ring finger to boost, might be easier than toggling a 3 way switch. Had a smile on my face the whole time, good fun video gents.

[@truefpvblood158]

WTF ... Keep up the mad scientist projects🤣🤣 Love it👊👊😎🍻🍻🍻🍻

[@mrmellfpv]

The excitement was so real he was shaking at 28 seconds in🤣🤣🔥🔥

[@LetsFlyRC]

Yeah. That was so weird. I didn’t even know I was doing that until I watched the video. Lol 😂

[@Jason-qt9iz]

One of the best funny videos of rotor riot. Hahah😂😂 nice by the way.

[@CaseyGray58]

Nobody talking about alexs goddamn LOS skills?!

[@SkyCandyVisuals]

right! He flew way up behind the building and just came back like it was nothing.

[@CaseyGray58]

@@SkyCandyVisuals fancy seeing you here

[@Pile_of_carbon]

If this ever becomes a thing, it needs to be called the Sulu, because "Mr. Sulu, go to warp."

[@crazychange5635]

Awesome video guys. Damn the metal pole though lol. It took a good beating.

[@Jayelti]

On 30th December 2020 at 10:00 AM, I had the idea to add a propeller at the back of a quad, at 8:00 PM, I discovered this video, and it works pretty well ! Well done guys, and good position of the push vector going through the gravity center. Next improvement can be to put 2 propellers running in opposite (cw ccw) to avoid torque effect and power consumption to compensate it.

[@madtoffelpremium8324]

Wow, you can really feel the power punching the quad the moment you hit the afterburner. We need a racing leage for this!

[@junkthe]

Right now I'm on no cash, but i dream push method 8 years ago. But you have done it all. It work ! I liked it.

[@TriggerFpv]

Have you not seen the Foxtech screamer 250 like 3 years ago?

[@woodyfpv5331]

Omg thank you! I was trying so hard to remember one of the old quads that did this and was going crazy

[@cheshirerc]

Like 5 years ago Foxtech screamer. I was pretty keen to get one for a short while.

[@cheshirerc]

Ah 4 gears ago according to this m.kzbin.info/www/bejne/jGe0foObjbCNq6s

[@TriggerFpv]

@@cheshirerc wow that long 😳

[@kreativ_corals]

Shawn is the man. lol and Vanny's pretty cool too...also, he can fly well.

[@briandoesathing3478]

This is hands down my favorite video of this series 🤣 it's absurd and it works and the instant loss of control is hilarious 🤣🤣🤣

[@bigdatapimp]

Made it into a quad-gyrocopter...

[@robertjackson7695]

That was fuuuun!!!!!! Holy crap !!!!

[@coolguyfpv]

You need a copilot flipping the turbo switch!! That was awesome. 😂

[@KidStradivarius]

Foot pedal.

[@DJBigSarge]

Yo!! Y'all are crazy nice. I'm a RC car guy. I use servo mixing to add brake when I turn the wheel of my RC truck. Mix the turbo motor with the throttle stick position. Use the switch to toggle the turbo on or off. More throttle, more turbo... Less throttle, less turbo for the turns. Wire the fifth motor in series with the others for thrust. The current stays the same. That should do it. Hope that helps and Good luck!

[@Baigle1]

Holy hell these things have gotten way better, and from the looks of it the video and response cuz he's damn good.

[@fpvpmikey3755]

Rotor Riot meets Flite Test type video. This was my absolute favorite video thus far!

[@nineballzfpv6616]

awesome.. using switch is difficult, is it any way to make the boost turn ON when reach max throttle

[@midasscheffers7610]

The extra motor is to far in the back, the thrust is now above the center of mass. if you position the extra motor more in the middle I think it would be more stable. And hell yeah would I like to see another episode

[@LetsFlyRC]

The first design, I had it in the center of mass. “Someone” thought it would look cooler in the rear. Lol 😂

[@geminitheavali5018]

Uhm. If i may ask, do you mean more in the middle along the length, or along the height of the Quad? (But great thinking :D)

[@midasscheffers7610]

@@geminitheavali5018 yes, thanks

[@midasscheffers7610]

@@LetsFlyRC wow, you know my opinion, but such a cool idea to be faster

[@jpsalis]

As long as the thrust points towards the center of mass, the force itself shouldn't impact the quadcopter, except on turns. The rear prop causes a torque as well as a directional force, which messes with the flight controller stability. The quad is also torqued while the motor is spinning.

[@thedoeverything418]

ive ALWAYS wanted to do this!!!!!

[@baggszilla]

Hahaha this was so cool! I love how it had you guys cracking up laughing 😂 And "Vanover the fastest real drone pilot in the world. Just dont give him a SIM" was perfect! Lol

[@DJDevine]

Awesome👏👏👏 you guys have so much fun, it’s contagious 😷 lol. cheers

[@VLena_art]

i fear no man, but that thing... that thing, it scares me...

[@explosionfpv]

Lol

[@RCRitterFPV]

That was great, love seeing these things, that gate took a hell of a punch

[@JosiahPilon]

Great video! It was awesome seeing you guys have so much fun!

[@gy6nick883]

Vanover flying that fast LINE OF SIGHT was way more impressive than the drone. mad respect

[@adamplays3337]

The bellend off screen shouting about not forgetting the bell 🤣🤣 priceless

[@Owen_is_living_my_best_life]

Rebuild it and run it again, that was a blast

[@crusaderwraith5955]

Watching Vanover fly is just a whole different fpv experience

[@rmdcade1717]

I'm convinced he actually flies with his goggles unpowered.

[@raytron1138]

I loved it! Keep innovating. Just fun watching all of you trying new things.

[@matthewarchibald5118]

map the back motor in relation to turning so when you do slight changes in turning the back motor spins a little slower, and if you turn really hard, the back motor stops.

[@toddspeck9415]

Awesome testing. Nice to hear you guys laughing and having fun.

[@hateeternalmaver]

Nice, guys. Thanks for the episode. ✌🏻❤️🍺

[@LegacyStudio]

Flying on gyro-props dude! That's amazing! Shawn acing it as always!

[@jeffswope1511]

I like Sean’s design. The adjustability of the motor mount is cool. Maybe put the booster on a knob instead of a switch for more control. Good stuff

[@jeffswope1511]

Also after giving it some thought you could solve the counterrotating problem by replacing the boost motor with a rocket engine. Something with like a 6 second burn would be interesting

[@MadDragon75]

I felt the same way the first time I used "Turtle Mode". 😂

[@kingyang6170]

Could Not Stop Laughing.....that rocked

[@gonun69]

You need to make sure that the thrust vector of the 5th motor points through the centre of mass. Then it won't induce any torque on the quad that would need to be compensated.

[@bouchep]

Amazing work! 🤔 If it's a distraction to flip the 5th motor on and off, how about mapping the enabling of the motor to a switch but mapping the power output of the fifth motor to the combined stick inputs? - If you're zero'd out on pitch and punch the throttle, your 5th motor power is null. - If you pitch forward and punch throttle, the pitch/throttle combination pushes the 5th motor power curve to max. - As you dial in roll and yaw, even with pitch and throttle high, the 5th motor is dialed back down. This kind of setup should allow you to control the pusher motor output variably, maintaining control in curves, having max boost in straights and being able to hover in a stable manner. Would be a bit of tuning but once you get the curves mapped out, this should be pretty cool! :D

[@ronaldwaller4221]

Great video guys! Loved it! (I know this is a new comment on an older video, but...) You might try finding the Center of Gravity of the drone, then align the thrust vector of the Turbo motor through the CG at the angle of the camera. This most likely would require a redesign of the Turbo Motor mounting brackets.

[@Mr18031967]

that was soooo funny i was laughing the whole way though nice job boys

[@Luv2ripFPV]

That thing was INSANE!!!!!! Very cool!

[@spiff311]

You guys have way too much fun! Great video!

[@D3Fpv]

I’ve never seen a professional crash so fast in all of KZbin

[@bengmo64]

Man it looks like you guys are having a lot of fun, keep making videos!

[@videoandphotographyllc]

Does he power the 5th additional esc/motor off the 5v pad on his flight controller or directly to the 4-in-one esc battery pad ? Thanks, I'm new to all this.

[@Alex-dy5ep]

Most likely off the battery directly, probably off of the ESC battery input pads. The 5v supply can't source nearly enough current to run a motor, and the voltage is too low to be useful on something of that scale if it could.

[@videoandphotographyllc]

@@Alex-dy5ep Thanks!

[@WX4CB]

haha that's funny.. nice rig. does the dji controller have sliders? maybe sliders might be a little easier than a switch to control the back motor?

[@LetsFlyRC]

Sadly, no, sliders.

[@WX4CB]

@@LetsFlyRC that's a bummer, that would have been perfect

[@tonysgonewild]

Awesome build and crazy flying. Great video guys!

[@leonzantvoort6201]

Man, man, how fast that goes. I've never seen this before. But it also happens quickly when things go wrong. With an acceleration sensor you could measure the acceleration, and then adjust the angle of the turbo propeller with an extra servo. I hope that with this idea I can contribute to the solution of the problem. Keep it up.

[@RaylaRayV]

how is this my introduction to drone racing, always heard about it, never seen videos until now, what a way to discover

[@podstavnoy7]

Hey, guys. Please correct me if I am wrong, but I remember on Taranis it is something like concept of "inputs" and "outputs" and you can direct your inputs into outputs in any way including fancy formulas. So what can be done about the fifth motor is: you take "throttle" input and direct it to "5th motor output" with -0.5 (so it kicks in only when throttle reach 50%) and x2 multiplier afterwards (so it can reach full throttle as well).

[@kibbycabbit]

This is one of episodes I laugh out loud so many times!!! HAHA!!

[@nofluxgiven1949]

Would it be possible to link the motor outputs to the gyro so the boost motors only kick in when the quad is flying at a specific angle and pitch i.e. straight line?

[@fxtheproducer]

this was fun to watch 😄

[@DutchRC]

Fun video! :D but..... search "screamer 250" :)

[@corinnemuir1542]

Never Clicked on anything so fast.

[@dhrfokkema3904]

That was fun to watch. Maybe in youre next build you can make a footswitch/trottle to control the turbo. Keep up the good work guys. 👍🏻

[@zhenlinkan8857]

Amazing. Is it possible to use a stick to control that motor for forward acceleration?

[@chris-jones]

I build one of these years ago on a ZMR 250 frame. We were still using CPPM back then so I had the thruster wired directly to a spare channel bypassing the FC completely and has it controlled by a slider. Flew really well and very flat as there was no angle on the motor.

[@daemn42]

Yep, same way I setup my Foxtech Screamer pentacopter. Throttle for the rear motor directly off the Rx. They just didn't have that option using the DJI gear for control.

[@wiebel1991]

Nice advertising for the DJI FPV system while you can't buy the goggles anywhere :')

[@tylerharris9709]

lol the entire thing was an ad read

[@coolguyfpv]

Cant blame content creators from trying to make money 🤷🏼‍♂️ it’s literally their job 😂

[@andyfoster2933]

Only place currently in stock is Amazon with a $200 mark up

[@metazootet1492]

Dji is selling it at normal price.

[@wiebel1991]

@@metazootet1492 try to order it. It’s sold out.

[@leeaxon01]

Hi. Are those BETTER antenna on your DJI goggles? Can you tell me more please as I have the new FPV and I think the drop out is terrible. Thanks.

[@PIDtoolbox]

Might be interesting if the boost would kick in automatically only when roll and yaw axes are relatively centered and throttle is >~50%. This way it only kicks in on straight aways. It’d have to be implemented in the FC software. Honestly though, weird idea from a flight perspective. You’d probably do better just making it an 8motor quad

[@acy48]

You can do that pretty easily with the "logical switches" in opentx. unfortunately only dependent on stick position and not acc/gyro data

[@PIDtoolbox]

@@acy48 good point. maybe if it only kicked in at say ~>75% throttle, then it shouldn't kick in during turns (one would hope lol), only during fast straight aways. maybe even >90% is where it might work.

[@commitfpv]

I had the exact same thought 😊 yes probably best if solved in FC, but maybe a quicker fix is to program it in opentx on the transmitter? So that the aux channel is only engaged when the sticks are within chosen parameters. Funny experiment, and fun to see so many people chiming in with improvement suggestions. At least they manage to make the content engaging, if not practical 🤓

[@joaovictorrx]

If you active the max turbo on full throlle stick event ?

[@sterkfpv2192]

"I worked with Dre-rotor riot" that slip lol

[@EliteFpv]

Momentary switch might be better for ease of use so it’s on while you hold it and of when not. Idk but great video. I was lmao!

[@terranovarain6570]

That was awesome 👌

[@TurkIsAwesome]

Can you put it one a knob/slider instead of a switch? like the ones on the side of x9d's. or if you are gonna put it on a switch mix it in such a way that when you activate it, motor is controlled with the throttle? like the switch controls weather the motor is on or off but the motor is controlled along side the others with the throttle?

[@paulgeorge1069]

Awesome shawn great build a little tweaking with the throttle input on turbo. Who knows could be the next thing in racing. I'm pretty sure you can sell some! Probably out to sell in package full of replacement parts. 🤣 THAT'S SOME CRAZY SHIT ☠️

[@danielnagy5721]

Cool. In addition to the center of gravity / center of thrust that Joshua wrote, don't forget it has a significant reaction torque too. It constantly tries to twist the quad along the turbo rotor axis when on. This effect might be especially strong when turning on/off turbo mode (when the turbo prop changes rpm fast). The FC might have hard times with this, and could degrade handling in general. Try using two counter rotating turbo propellers to cancel-out this effect. :)