TURBO ROTARY MINIBIKE Ep.1 | Mounting the Turbo!

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RHB31 VZ21 Turbo - Amazon Affiliate link: amzn.to/3mMWAAu
If you would like to get a turbo of your own as well as helping our channel, use the link above!
Time to Turbo a Rotary! We have been wanting to give turbos a second shot and figured that the rotary minibike would be a pretty good candidate. We removed the stock sachs KM48 carburetor and started to put together our draw through turbo system with a VZ21 turbo. We found a pretty easy solution to oiling the turbo by using a GoPowerSports pulse pump as an oil feed pump.
Thank y’all for watching, stay safe, and be sure to stay tuned for the next episode!
-----------MERCH------------
MERCHANDISE CUSTOM DESIGNED BY YOURS TRULY
teespring.com/stores/build-br...
--------------TOOLS------------
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
-----PARTS-----
RHB31 VZ21 Turbo - Amazon Affiliate link: amzn.to/3mMWAAu
Turbo Flanges - Amazon Affiliate link: amzn.to/2ZWbydh
Pulse Pump- www.gopowersports.com/round-f...
Catch Can - www.gopowersports.com/aluminu...
Seat - www.gopowersports.com/19-mini...
Chrome Shocks - www.gopowersports.com/univers...
Chrome Wheel - www.gopowersports.com/6-astro...
Inner Tubes- www.gopowersports.com/410-6-t...
Tires - www.gopowersports.com/13-x-50...
Gold Chain - www.gopowersports.com/rk-gold...
Fenders - www.gopowersports.com/4-25-wi...
¾ Lock Collar - www.gopowersports.com/jacksha...
Brake Band- www.gopowersports.com/5-carte...
Brake Band Pin- www.gopowersports.com/brake-b...
Brake Cable and Lever- www.gopowersports.com/mega-mi...
Jack Shaft Sprockets - www.gopowersports.com/12t-jac...
Jack Shaft Lock Collars- www.gopowersports.com/jacksha...
Jack Shaft (10 inch with lock nuts and key) - www.gopowersports.com/5-8-thr...
Grips and Throttle - www.gopowersports.com/throttl...
Clutch - www.gopowersports.com/10t-3-4...
RLV Muffler - www.gopowersports.com/rlv-410...
Weld On Tabs - Amazon affiliate link: amzn.to/2XOoIIv

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Опубликовано:

21 сен 2020

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Комментарии : 267

@BuildBreakRepeat 3 года назад

Been reading all the comments and suggestions, thanks for all the input guys! Episode 2 will be out next week but it was filmed the same time as Episode 1 so we won't be addressing any of these problems in the next video. Episode 3 we will get everything sorted with the oiling system!

@isaacwatersoutdoors5772 3 года назад

Hi guys, you also need to add a vent to the top of your oil reservoir/catch can so the oil can breathe/flow freely out of the turbo drain (I know all this from low mounted turbos with scavenge pumps in the car world)..here's a link to give you a ideal of what I mean ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-xqrWFrz4H5s.html

@Hermiwalle 3 года назад

you have the oil return and pressure side backwards!! the threaded end is the oil inlet and the 2 bolt flange is the drain.

@minimaleffort1374 3 года назад

CONNECT THE FUCKING INTAKE!!!!!!

@ejforet5695 2 года назад

@supermotofeann 3 года назад

for the turbo, you need a much larger drain then a feed, your backing up the oil in the turbo causing it to seep past the seals!!!!

@GaryC203 3 года назад

yea that`s what the problem is with that and if they want to know how to turbo something they should watch the BoostedBoiz

@GaryC203 3 года назад

@i don't believe in the sun yea they could do but I was just trying to help them out that's all

@BuildBreakRepeat 3 года назад

Will do, thanks for the suggestion. We already filmed episode 2 last week and we're back at school so you won't see it fixed in the next vid. Ep. 3 we'll address it and get it sorted

@GaryC203 3 года назад

@@BuildBreakRepeat ok thanks for reply and I hope it helps you out a lot with it 😀

@jakechunasamy9642 3 года назад

Build Break Repeat can u give me the links to the oil system when u get the better one

@astonaberg9661 3 года назад

You should go to a rotary/rx7 meet with it!

@2GRFExv20 3 года назад

This

@dionysus7055 3 года назад

Agreed

@bradleypumba 3 года назад

@@2GRFExv20 that

@kameronwhite8495 3 года назад

Definitely

@Mad-Duk_Machine_Werkes 3 года назад

you need to increase the size of the oil drain, normally it's a hose as fat as your thumb, not that little tiny thing as small as a pencil~! thats why it's pushing oil out of the seals!

@GaryC203 3 года назад

Well said I could not agree more

@Forge_Fab 3 года назад

No, they are feeding the oil into the drain side of turbo. Center section needs to be rotated and oil fed into the m8 / 1.25 thread in the top via a banjo bolt.

@hillonwheels8838 3 года назад

Your turbo drain line needs to be bigger, I think double the inlet size and the oil tank needs to be vented if it isn't already to allow the oil to drain back into the tank. The pump is pressurizing the turbo and without a vented tank there will not be enough vacuum to pull oil back in. I would try venting the tank and the drain line may be large enough so you don't have to make new larger turbo fittings.

@kaneto88 3 года назад

You should be extra carefull with that pump setup- it's possible that it won't work once you get into boost.

@TheRYDENCUSTOMS 3 года назад

Agreed, i think once it goes from vacuum into boost the pulse pump isnt going to function properly, if at all

@BuildBreakRepeat 3 года назад

Definitely, we'll have to do some testing under boost

@JPMotorhead1993 3 года назад

It's gonna sounds siiick! R.I.P. apex seals lol

@hunterpetrovich1154 3 года назад

Rotary vid after new 2 stroke stuffing vid...oh yeah

@ben456hughes 3 года назад

same

@carburetedseltzer120 3 года назад

A man of culture I see...

@hunterpetrovich1154 3 года назад

@@carburetedseltzer120 indeed

@Ismaak5 3 года назад

When a turbo smokes, you don't restrict the oil feed, you widen the return. You don't want to starve the bearings, that is what kills turbos.

@geoffreyjones2000 3 года назад

My sachs says 2 stroke oil (premix)on the tank. Maybe put the pulse pump on the turbo oil return line having it feed a cooler and loose the catch can. An exhaust expansion chamber would allow the gases the expand and add volume to the intake since you're not using a blow through carb. I love this build. Some porting in the turbo housing makes a big difference, sir

@kz6fittycent 3 года назад

That poor turbo 11:36. I can hear it say, "Oil...I need oil..."

@quadsman11 3 года назад

Absolutely love both of you have ! Experimenting as you go, and learning a ton along the way ! Keep up the good work gentlemen !

@Thewatson77 3 года назад

I’m just in love with this little tiny rotary

@stanlucas665 3 года назад

Oil wiring 😂 I love the new technological terminology. Keep up the cool videos guys

@ricbaker4739 3 года назад

This is awesome!!! When it's all finished and tested, feel free to send it to me in Australia!!👍👍👍 Keep up the good work guys.

@minor0confusion 3 года назад

erm, got the feed and drain backwards dude

@pulloutperformance 3 года назад

Love the off the wall builds!

@Imarookieatthis 3 года назад

You guys freaking amaze me every single time.

@juanp2138 3 года назад

🇵🇷🇵🇷🇵🇷💯

@htevo80 3 года назад

Your oil drain is to small you don't need to restrict a journal bearing turbo

@htevo80 3 года назад

@@dipstiksubaru3246 only if you have oddly high oil pressure but anything less than 60 psi you don't need a restrictor, and even then most journal turbos can run at 80-100 psi They're using a pulse pump no way that thing makes anything more than 5psi

@DJTuningCom 3 года назад

yeah you do not need to restrict oil flow. just need to have sufficient drain. 2 things wrong. needs bigger drain as well as a breather on the drain. drain is likely getting pressurized

@BuildBreakRepeat 3 года назад

Gotcha, we're going to add a vent and increase the drain line in Ep.3

@thatjdmkid8170 3 года назад

Pre mix man to keep the engine going glad you guys are doing this

@Nico-ds9nz 3 года назад

Ohhh that turbo is so cute 😍

@Veryfastslowcar66 3 года назад

Cool video guys, would love to see a video, possibly episode 3 or 4 depending on how it goes purely on tuning to carb in for maximum power with different jet sizing, needle positions ect, there's always more power to be made with proper tuning!

@Tampaboys 3 года назад

Heck ya guys boosting time so sweet

@freddywsn3447 3 года назад

So now im hyped af!

@mwpriem 3 года назад

The drain on the turbo is to small.It should be like a half inch internal diameter to properly drain all the oil out of the turbo

@jlo13800 2 года назад

Amsoil dominator synthetic 2 stroke oil would be perfect for the turbo.

@Tampaboys 3 года назад

It sounds so sweet

@jeeperzcreeperzz 3 года назад

Can't wait for the next vid

@abrahampeshko1858 3 года назад

Thanks for the video

@danieldelarosa8806 3 года назад

I hadn't seen the video and already hit like. Never disappointed

@jordygutierrez287 3 года назад

the turbo is installed upside down the drain is up the core rotates so oil enters the exhaust because it is installed upside down

@PHUSII 3 года назад

This!

@ReiniGrauer 3 года назад

Yeah, how the hell does anyone fuck that up? Also, there is no such thing as too much oil going to a journal bearing turbo. A journal bearing turbo needs oil pressure on the feed. It will use as much oil flow as it needs to float the bearings. The bearing clearances are the restrictor. You literally can't send too much oil into the turbo at normal engine oil pressures.

@jordygutierrez287 3 года назад

Reini Grauer exacly!

@zezeNoPro 3 года назад

@@ReiniGrauer could the problem be the low rpm of the turbo shaft?

@twots22 3 года назад

Great job! Love it. I own about 15 of them there mini bikes/ mini cycles.

@tinman7159 3 года назад

Keep the RD going ladds , cool!!!

@ThePeoplesFabricator 3 года назад

Placing a nitrous jet in your oil feed line is a great way to control flow to the spooly booster. Cool project👍👍

@peterkay2406 3 года назад

That's pretty cool guys, enough interest for me to subscribe!

@DR.P3RKY 3 года назад

Rob will be proud

@cliffpalermo 3 года назад

Pulse pump oil pump! Great job. Might as well use a mason jar so you can see the oil flow. If the seals are blowing past you might want to just use some oil for a diesel turbo rig some 15w40

@fabio77809 3 года назад

Wow, very very project 💪💪💪💪👏👏👏

@Baldys_projects 3 года назад

Sick!

@stevewarnock919 3 года назад

I have a friend with a Sachs rotary mini bike, its quite the scary weapon n/a

@ratgreen 3 года назад

You dont need a restrictor on the oil feed, you need a bigger diameter drain hose. Its backing up in the drain and then getting past the seals. Also your drain should be as vertical as possible.

@ryanlee6881 3 года назад

it’s sick but for the turbo to actually work you need to get a way bigger jet or there’s gonna be way to much air and not enough fuel

@stclairstclair 3 года назад

Hello, I'm a retired mechanic and I wanted to give you guys a heads up about MIG welding and ball bearings, I would recommend to keep your welding segregated from the turbo, Even though your project had a tight ground clamp and you would think energy is not passing internally through parts, it is... micro arcing can be induced and ruin your bearings, And because the pitting is tiny it takes a while for the bearings to fail, There was a similar thing happening to gyroscopes failing in space satellites that was baffling engineers Till they discovered electromagnetically induced energy had caused pitting in the bearings.

@simonallan9941 3 года назад

Two-stroke oil is not meant to burn 😉, awesome wee rotary, great show 👍

@justinkase2279 3 года назад

Easy trick, nitrous jet in oil inlet side of turbo to serve as an orifice to slow down the amount of oil getting to the turbo. Also make sure the catch can being used for oil supply is vented to atmosphere.

@chuckwilke9875 3 года назад

Hi I used one of those turbos om a 420CC motor with a 32MM carb mounted on the intake (draw through) = 8+ lb of boost. on my go kartI I use a transfer pump for oil. good luck

@trollslayer8260 3 года назад

Based on your looks alone, i was not a bit surprised when you said"lets mount this guy up" .

@isaacgonzalez9295 3 года назад

IT’S LITTTT. Can’t wait to get my hands on one

@capttom7772 3 года назад

I just stopped the video 1/2 way ..............I gotta tell Y'all; ................EXCELLENT! ..... NICE work on the concept, EXCELLENT work on the BUILD, .......and I gotta tell ya; ..........your video info and quality are PERFECT !!!! .....now I'm gonna watch the 2nd. half.......let's see if it works!?!???????

@jasonbirch1182 3 года назад

You may want a needle valve. A ball valve is real hard to get a little flow accurately. It's kinda on off switch.

@joshrosen1223 3 года назад

Cool 👌

@apleatherworking9952 3 года назад

Honestly a belt driven supercharged might be your best bet and also I would go about finding a rebuild kit and maybe some porting on the mini r

@hurbshankin1 3 года назад

What a cute lil' braap!

@shawnlasky116 3 года назад

You guys should make a mounting plate that mounts to the holes on the motor and try and get a torque converter on ther it would be sickk keep up the good content👍

@dbfcrell8300 3 года назад

I just bought that same valve to use as a gas petcock for my snowblower. It was totally defective, as in made poorly and was clogged right out of the package. Couldn't believe it.

@planet1852 3 года назад

Make Sure your oil Catch can has a breather Port! I had the Same issue because the oil could Not drain good enough. That Made the pressure before the turbo way to high

@funnerthanbefore4947 3 года назад

Simple fix boys..... Put a T in instead of the manual valve, run the extra hose back to the catch can, it'll self regulate.... Catch can to pulse pump, pulse pump to T, one line to the turbo one to the catch can....

@alexapetri7200 3 года назад

subscribed just for that intro

@ericorange6662 3 года назад

Get an oil restricted for the turbo or weld the fitting and drill a small hole in the feed fitting. Might have to make the drain bigger too. Very cool project tho. Sounds awesome

@dipstiksubaru3246 3 года назад

Have u thought about going supercharged instead? Like with one of those lil amr300 blowers? They're super cheap on ebay. That way u don't lose the braps as much but u still get boost

@death06661 3 года назад

I never new a rotary engine could be so small

@madmodvideogames4084 3 года назад

Watch johnnyq90. He has one even smaller for an rc car

@vincenzoarnone9797 3 года назад

This is awesome love your vids I was the 85th like

@MrJermbob 2 года назад

Im subbing but i have high expectations of you making this work.

@kevinkev1530 3 года назад

Cool

@heathfiedler 3 года назад

sounds really good, though i wonder why i keeps cutting out and dying. Im sure you'll have to tune the carb at some point now that its got a turbo.

@brandonlavan2825 3 года назад

Imaging the nice red spatter balls falling right into the cylinder at 4:20

@addisonmataa9941 3 года назад

Really awesome intro music 🔥🔥🔥

@addisonmataa9941 3 года назад

AND *lest we forgot* fucking awesome project 👊💯💯💯

@robertomeneguini9486 3 года назад

nossa que legal

@capttom7772 3 года назад

OK! Here's my suggestion; Run a inline restrictor with a bleed off return for the excess that is the return back to the tank. I think a 1/32 hole will be plenty to keep the turbo well lubed. Any specs come with that cheep turbo?

@nathaniellangston5130 3 года назад

SIIIIICK!!!!!!

@mindovermatter3988 3 года назад

You guys should really check out Paul's karts on RU-vid & his website Paul's karts. He makes performance heads and is an engine builder for predator 212 tillotson's Honda, anything from a 212 to a 460 & Beyond. he explains why a a turbo won't work on a engine under 400cc especially when you guys tried to Turbo your guys's 212 which should have at least made 15 horsepower only made 8, I highly recommend checking his channel o you can go in a lot more deaths than I can. And can get you guys making some real boost. I've been watching the channel for a long time and I wish you guys the best

3 года назад

I really want to build a twin rotary push-pull ultralight aircraft.. also both turbocharged

@matthewanderson7766 3 года назад

Using clear hose would help with ajusting flow

@lanceulbrich6249 3 года назад

Turbo is oil cooled will need an oil cooler to keep temps down. Also turbos sould run min of 1/2" return line. Looks sweet tho guys!

@rightsidelanechoice7702 2 года назад

You just answered my question. But that turbo is meant to have about 30psi of pressure and there’s no way a vacum diaphragm pulse pump is going to generate pressure anywhere close to that. You just need a better dump system and I would mount the pulse pump above and closer to the turbo so you have more volume on your dump side.

@trevorsmith8496 3 года назад

Thats a dandy idea, weld the exhaust up while its on the turbo with the oil feed open, the compressor housing open, the exhaust open, etc etc. You're going to have bbs in all you're bearings, all you're oil. Its going to gash tf out of the inside of the engine.

@toddlaplanteVT85 3 года назад

Definitely increase turbo oil drin line like other have stated. Choking off the input isn't the answer. Going to burn it on boost. Just my .02

@jram7047 3 года назад

Have you checked out what type of gearing is used on rotary cars vs regular , im not sure how you've got it geared now but with the typical high rpm low torque of rotary it will make a huge difference to gear it correctly

@TheCkspinner 3 года назад

I'd be more curious to see if expansion chamber would help imo it's a lot closer to 2 stroke and I think chamber could possibly make huge diff but I'm not very knowledgeable with rotary engines just because so hard to find of get one that u can just mess with

@DJTuningCom 3 года назад

you need a breather on your drain. that is usually why turbo seals leak is they can't drain quick enough. the feed should not cause them to burn oil. Turbo on my truck sees 60 PSI. It's all about the drain.

@Skullgamer52 3 года назад

I don’t know how the pulse pump works. but if it works on vacuum pulses when you apply boost there won’t be a vacuum so won’t the pump stop working?

@jesse19917 3 года назад

You should do another Pause pump on the drain site so it drains faster

@averyanderson6945 3 года назад

Weld the flang on the oil inlet and drill it to 1/8th for restriction

@ivancounsell4077 10 месяцев назад

Surely you will be running a two-stroke mix anyway to lubricate the apex seals ? So will you get smoke coming out of the exhaust.

@LoneRevD 3 года назад

Will the pulse pump still see vacuum when under boost (i.e. stop working?)?

@buubised 3 года назад

would megasquirt it for sure. are Sachs rotary parts available somewhere?

@rotarymotion120 3 года назад

IN 😃 🇵🇷PUERTO RICO THERE IS A SCOOTER WANKEL SINGLE TURBO IS ½ 13-B ENGINE. 🛵💨

@erikd804 3 года назад

TO Me it Sounds Better WITHOUT the Turbo.. You guys should Put a clutch & Gearbox on that thing ..The sound of that rotary running through the Gears on the street Would Be KIller! 👍

@craigkrage2689 3 года назад

The Boosted Mini Dorito.

@gapcity2565 3 года назад

2 things, up your oil drain size, and use the catch can properly. There is no reason to have a reservoir of oil in the middle of the drain line. You will have backup into the turbo. Oil drain should be free and clear back to the engine. OCC should be routed to the Intake, and to the crank case.

@johnburkhart9156 3 года назад

Turbochargers need an oil restriction. Add an oil cooler from between turbo body and pump. You kill two birds in one stone. First cooling oil and second you’ll get oil out of exhaust

@isaacwatersoutdoors5772 3 года назад

you have the oil feed and oil drain backwards, the one with the two bolt flange is the oil drain, the oil drain needs to be facing directly down using a tube/flowing fittings twice the size of your oil feed... also you should check if the pulse pump can build any pressure (turbo oiling needs not only flow but pressure) do the same test with the pulse pump but put some type of nozzle on the end to see if it builds any pressure. that is the reason your fist turbo died and also why this second turbo is passing oil around the seals ,nothing to do with it being a cheep turbo...just improper plumbing of the oil system

@kyledoubleu8833 2 года назад

Where did you find that jckshaft to go from left side chain drive to right side chain drive? I’m looking to put a predator. Motor on a west cost chopper bike. Need something like that even if it needs to be modified