ROTARY POWERED SHIFTER KART Returns!!! Major Upgrades!
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- čas přidán 18. 01. 2021
- Exhaust: amzn.to/3qBTJLD (amazon associate link)
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One of our most popular builds has returned! The Rotary shifter kart (powered by a Hercules W2000 wankel motor) had been in storage since the last video we did with it of hitting the top speed. The clutch had failed at the end of the video due to the clutch pushrod welding itself to the ball bearings and eating through the lever arm. We had found a hydraulic clutch on ebay for a Harley that had the same size diameter for the pushrod, and it ended up working better than we expected! We also changed the gearing to get us some better top speed!
Thanks for watching, stay safe and stay tuned for the next video!
*Be sure to check your local laws before driving any non-registered motorized vehicle. Do not attempt these activities at home. All content produced by Build Break Repeat is for entertainment purposes only*
-----------MERCH------------
MERCHANDISE CUSTOM DESIGNED BY YOURS TRULY
teespring.com/stores/build-br...
--------------TOOLS------------
Texas Metalworks 40x80 Welding Table
texasmetalworks.com/product/f...
RogueFab Tubing Notcher
www.roguefab.com/product/vers...
Pro-tools Tubing Bender
pro-tools.com/collections/tub...
Optrel Crystal 2.0 Welding Mask
usa.optrel.com/en/eye_protect...
Optrel Grinding Mask
usa.optrel.com/en/products/au...
---------MUSIC --------
Music - Background and Montage Music Is From Endemic Sounds
www.epidemicsound.com/
Intro Song - Jimmi by Andrew Applepie
• Andrew Applepie - Jimmi
Montage Music - Lakey Inspired
/ @lakeyinspired
------------PARTS--------------
DG Aluminum Silencer - www.dgperformance.com/motorcyc...
Seat - www.gopowersports.com/12-volt...
Battery - www.gopowersports.com/12-volt...
Axle - www.gopowersports.com/axle-54...
Bearings - www.gopowersports.com/3-hole-...
Rear Wheel Hubs - www.gopowersports.com/1-hub-d...
Front Wheel Hubs - www.gopowersports.com/front-h...
Brake Disk - www.gopowersports.com/8-brake...
Sprocket Hub - www.gopowersports.com/1-bore-...
50 Chain - www.gopowersports.com/150cc-d...
Tie Rods - www.gopowersports.com/tie-rod...
Rear Wheels - www.gopowersports.com/6-x-8-5...
Front Wheels - www.gopowersports.com/6-x-6-5...
Rear Tires - www.gopowersports.com/11-5-x-...
Front Tires - www.gopowersports.com/11-x-6-... - Auta a dopravní prostředky
The rotary just sounds so good in this application
There are only a few engines that sound good. Like this wankel and nitromethanol V8
@@qwertyximan no
@@iamincrediblystupidbut4364 no?
So true
Lmao glad to here I’m not the only one that thinks so
This is definitely the sickest shifter cart on earth
Yeah I don’t think my old 250cc 2 stroke homemade kart could even top this thing
Most def
as a rotor head. I agree
What about the ducarty you think it'll hold up if it was working
@@andrewjohnson442 it would probably twist the chassis again unless they reinforced the frame a lot, would be a good contender tho
Dan: "I think this will work."
It works.
Also Dan: " I never thought this would work."
Dan is a man of contradictions
Lmfao 🤣
This is by far my favorite of y’all’s projects
Great build guys... A Cleetus fella has a track, sir
Definitely take it to The Freedom Factory. There's tons of space there, and Jeremy is a go kart guy too, so maybe you could get a 3 way collab going with Cleetus and Faster Proms. 🤷♂️
@@Snugglez187 Oh dude Jeremy would nerd the hell out over this thing, I'd love to see that!!!
whoaah all that flamespitting and rotary noises are just too awesome, guys!
Yeah, dudes, reach out to Cleetus McFarland- he has an oval track he calls the Freedom Factory for a playground in Florida. Good weather this time of year! Hope your class scheds will flex- know even college has been a lot of "holding time " lately. Cleet should be finishing up a track resurface by now or will soon.
No
Get in touch with the freedom factory. I'm sure they would love to see it too.
Bring extra tires. Massive burnouts required.
That clutch bearing is cooking itself because you have tension on it when you're not using the clutch. Just like on a motorcycle you always have a little slack in the clutch lever.
?what's free play.... lol. Definitely get worn in fast on the tight side.
@@justinsolomon4427 if your cable is tight it will cook that bearing. Just like on a car the throw bearing has air gap to the clutch pressure plate when not depressed.
Correct, which will also possibly lead to failure of the clutch or friction plates
@@justinsolomon4427 100%.
Usually on a motorcycle if the clutch cable doesn’t have a tiny bit of slack your probably actually slipping the clutch even when you think it’s fully engaged
The engine seems like it's running a little too lean, with the missing and blue flames. Could put an O2 sensor mount in the exhaust before the muffler to get some mixture measurements as you tune the carb. Tuning a carb is just make changes and see if it's better or worst.
wouldn't flames out of the exhaust mean it's running rich? there's excess fuel that's not been burnt in the exhaust.
@@dereksumstad6746 The blue color is the concern for me. In a piston engine, a rich back fire has yellow in it. Now, I do know rotary exhaust temps are way higher than piston engine...so maybe a rotary running rich is Blue and not yellowish. We tune 2 strokes carbs by soldering the jet closed and drilling few to the next size bigger or smaller till it 'felt' better. Just my 2 cents.
By far my favorite kart you guys have built, keep up the great work and keep building this kart better and better
30HP never looked or SOUNDED so awesome.
That is just so Awesome!!'She's a Ripper'! I'd love to see you each get a couple 1/4 mile times.
Its fun building stuff, the bad part is finding a place to let our projects run freely. East Texas here and no where to ride either.
That' crazy! Hope to see you on track!
Y'all can get wayyyy higher in the rpms with that rotary
I was just thinking that it sounded like it wasn't getting to stretch it's legs
older rotaries are not that high revving than the newer ones
@@PHUSII that motor should hit peak power around 6000 rpm from factory they definitely aren't revving it hard enough
It hasnt been run in a while so just cleaning it out next vid we will see higher revs
@@shaynegadsden yup, it definitely has more in it, just waiting until they press that has pedal
Outstanding, I can't tell you how much I enjoyed that, especially the Allen Millyard-type fabrication stuff. No doubt I goes, I'd love to see it opened up on a track. Well done, boys!
Keep it, can't wait to see it on an air strip or big parking lot.
The paint scheme even looks like a 787B. 😎👍badass
The rotary kart is my favorite build from you guys! Glad you are working on it again! Also I like how the intro was you guys getting out the project you are working in the video. It gave us a really good shot of the build. Sort of cinematic looking.
Ive been following since the beginning and love the rotary cart i think the most
Good shit guys!! I back you up 💯 percent on welding that banjo bolt!!! Ive done similar but with power steering lines where i had to cut and shorten lines. Keep up the good work!
I hope you guys get a TIG welder soon. The work adapting that hydraulic fitting was really creative and it was amazing you got it done with a MIG. Another great one.
Yep, working on picking one up and learning! thanks for watching
Never saw a go kart spit fire before
Hell yeah! I love the rotary builds that y’all do 👍🏼🙌🏻
The best rotary kart I ever seen, love the refresh !
LOL you never know what will work until you try! Nicely Done Guys!! I would suggest figuring out a metal spacer like maybe some Black Pipe cut to fit with a couple exhaust flanges welded on each end to keep it from flexing at all but other than that the Hydraulic cylinder you chose seems to work like a charm!! That thing RIPS!!
Gotta love the authentic paint job!
I'm new to your channel, this build is my favorite so far. So glad you took the time to build it right. Would love to see how it performs on a grandpri track where you could really wind it out to its full potential.
I was talking with my brothar about rotary engine on a motorsport chassis Kart-Car. I said to him: -Man...I'm gonna look in CZcams to see if somebody has already done it. Oh, boy... I respect you!
My 14 year old son races a OTK ROK 125cc and it is very fast. I would love to see this rotary kart up against it. We run C12 and I am sure the rotary would be faster running this fuel as well. I know there is a lot more power that can be had from that rotary. I would love to see you guys continue to fine tune it for more power. The right carburation helps a lot also
it sounds so happy with the regear
It was really fun watching this project come together. The asymmetrical design makes me think of the STP turbine car driven by Parnelli Jones at the 1967 Indy 500. I hope you find somewhere this cart can stretch its legs.
Love the clutch solutions!
Wow that exhaust note sounds good!😎
Love the sound of that thing!
It sounds and looks like it's running great congrats guys
Sounds cool as bro. Good work
Looks amazing Guys👌🏽
Looks awesome and sounds awesome !
That thing sounds gnarly!
Glad to see it back
if they are welding together you do not have enough play in the clutch lever they should only touch when the clutch peddle is pressed to disengage power the rest of the time they should not be touching the bearing
I remember when you guys had fun doing these projects. Feels more robotic these days.
Yeah, I was wondering what was off, this was it!
The new lavalier mics we've been using make it hard to talk excited without being too loud, still working on getting used to it. It'll probably get better with time
Very Very cool guys.
I wanna see this on a real track.
Great work.
Wow that low raspy sound 💜
That thing would sound friggin amazing opened up on a straight away👌👌
It sounds like the gatling gun of the A10 thunderbolt. EPIC.
Wow it’s sounds amazing
Love wat you guys do, would love to see a turbo on there
Love the mini flames out exhaust 😎
Heck ya this is so awesome I have got to get one of my hands on those little engines to cool
Really glad to see you guys getting the rotary kart back out of mothballs! The hydraulic clutch was a much needed upgrade.. nice work you guys!😁👍
It would be good to take it to a go-kart circuit to see what it can really do. I love 787b's and go-karts so this is really cool.
My favorite build from you guys!!!!!!
We gotta see this beast go flat out. Soooo good!
That is bad ass! I need one.
That go cart looks fun as hell 👍
The Vargas brothers over at Angel Motorsports need to tap and bridge port this thing
No
this by far my favorite video from you guys , the thing spits flames and sounds so good , you could definitely rev it higher tho get that rotory sequel out of her
Man that thing sounds awesome! 😍 love it
That’s really cool guys, awesome video 🔥
Such a sick, one of a kind kart toy build there boys 🙌
found you guys a little while back. love the content! me and my son watch all the time... keep up the good work
It spitting purple flames is sick.
Runs hard 💯💪🔥
13:05 that sound 👍👍
That 787 paint job looks tufff👌
Sounds sick dude ❤👌
Sounds fantastic!
13:04 Holy crap, this scene with the exaust flames in the end! And the noiseeee!!!
That thing is badass!
That thing is awesome!!
Dopeeee y’all should do more rotary stuff
🔥 I like that motor
Oh yes, i love this thing, nice job of you guys, i love rotary engines, this is something different for a gocart
That thing rips and looks like it’s fun to drive
I love that sound of the engine and it really nice fast
Love it great job!
finally i'm seeing some proper intro for the video, i straight up hated the previous one, just was wasting my time, thank you for changing that
There is plenty of carting tracks you can take it to here in texas, the one in Winnsboro would definitely let you come out
Alot faster than expected brosky's
All likes so far. That's awesome. Great video guys.
That is a sick ride! Well done!
You need to try it on a road course somewhere.
I can't imagine where you would get parts for a motor like that. Maybe from Europe?
That is really cool....subs from Malaysia
Awesome, love it.
Yay. I was waiting for this
That is badass!! Sounds great although a 16g turbo with intercooler would be amazing for mid to top end or even a small supercharger for ridiculous take off and constant acceleration through the whole rpm range. Just an idea. Would be like a RX-7 and go cart hybrid
Buena maquina 👌
I love the flames IT throws
What a sound!!! 🎧
I remember commenting on every rotary vid for yall to do the 787b livery lol
One of the apex seals may be going bad. It shouldn't spark like that. Only flame.
it's probably the packing in the exhaust.
@@pierre-lucdoiron1325 or that.
Did they ever rebuild the engine with new apex seals? Looks and sounds good to me as he is accelerating
Lots of compression
You NEED to send this to the track!
I can't wait to see him race...✌️
Have to Look die an needle bearing Clutch Plate stuff...Happy searching 🙈
Buen trabajo
I love the rotary kart 😍
Soooo badasss!!
You guys could make a sick race course in there 👍👍👍