IT'S ALIVE! Supercharged Nitro Two Stroke with Rotary Exhaust Valve.

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[@2STROKESTUFFING]

Yes, I noticed that leak at the upper reed block too... 😁 Thanks for watching!

[@Jellopie_]

Thank you for doing the stuff you do❤

[@hedning003]

was just about to comment that leak

[@michaelfowler8289]

Just an FYI if you wear I'm invisible sunglasses I just remove your social anxiety because you're invisible at least it worked for me😮😊

[@FKE23837]

Love your work. Been watching for years. Keep doing your concepts! Just one* veriable at a time! **** Discaimer "One may mean many." Also for your terror bolt, craftsman makes a ratchet that work normally as well as twisting the handle actuates the ratcheting mechanism so you rotate your hand to tighten and loosen instead of swinging the whole ratchet back and forth. Amazing for tight spaces, or a 90° degree drill adapter would probably save a lot of pain and time.

[@JamesBurr-vk7kh]

Successful start my friend!!!! All hail the God of speed!!!

[@russbilzing5348]

When, as a child, I was asked what my plans for the future were, I replied that I wanted to be the man who repaired the wheels and frames of the local supermarket shopping carts. Needless to say, there was a good deal of sarcasm in the teacher's feedback as he derided me for such goals. All I could tell him was, "Yes, maybe so, but think of the gratitude and how satisfying it will be." Today, 60 years later, as an old machinist, I see the same surge of satisfaction in you. Follow your star.

[@lassikinnunen]

I'd apprecate supermarkets hiring a dude for that a lot more than hiring a dude to try to sell me a membership.

[@russbilzing5348]

@@lassikinnunen Thank you

[@snakezdewiggle6084]

@russbilzing5348 ✅Correct. Mr Ford would have had words with you.

[@bigcconservativeguy2534]

Bubbs? Is that you Bubbs?

[@fr33dumb0]

What a cool story and beautiful way to frame it!

[@longstroke1982]

If nothing else, you should be able to claim the title for biggest and heaviest 50cc 2 stroke. LOL I love the videos, keep em coming.

[@cjcantrell80]

Much respect to someone that makes their own parts, finds their mistakes/flaws, and just makes it better. All the great engine builders have done the very same thing.

[@camshaftcasting1451]

Yes. And more than just building ... actual engineering!

[@bitsindustries9848]

Seeing you genuinely excited and optimistic was refreshing. Knowing how you have been feeling for a long time now, this was awesome to see... And how good is it to hear some Ring Ding? 🤗 Great work Alex!

[@sidecarbod1441]

Great, another 2 stroke stuffing video, click on 'like' then watch it!

[@jimrobcoyle]

Yep. Proper protocol, indeed! 😊

[@fuzzylogic8333]

“Nothing is flat and everything is made of rubber” 2Stroke Stuffing, 2024

[@norcalmrb]

Diggin the Robin Renzetti reference. The king of precision!

[@robertmason8341]

Caught the reference to Mr Renzetti too! Funny how us engine heads/gear heads whatever you wanna call it, we all seem to watch the same channels. Machine shop channel favorites are Stefan Gotteswinter, Robin Renzetti, Tom Lipton, Abom and this ol Tony’s back catalog (newer stuff is so so imo at least). Steve Morris for four stroke drag engines, couple others pretty good too. Can anyone recommend any other good two stroke content, I’m currently in a scooter tuning phase myself irl (I’m hip to Brandon/scooter swap shop)

[@rfiskillingussoftly6568]

Sounds snappy man! Can't wait to see the numbers!

[@andersblomqvist2833]

Just getting that engine running is a win. Proof of concept !

[@TURBO5KONING]

seeing u fiddle with the 2 stroke had me pull my scooter from the attic were it was for 10+ years ❤ its a full polini evo 72 cc aprilia rally water cooled and started with just some fresh fuel! keep up the good work and many thanks for the awesome videos u produce 👍🏻

[@houstonhowell3618]

That’s awesome! I just started rebuilding a 2004 polini x3r 50cc for my son, don’t see too many polini’s where I’m at.

[@MikkelL03]

​@@houstonhowell3618Did polini make a bike? As far as I know, polini is "just" a company that makes performance upgrades for scooters.

[@houstonhowell3618]

@@MikkelL03 yes they made mini “crotch rocket” style bikes and dirt bikes but it’s hard finding info on them as well as parts!

[@MikkelL03]

@@houstonhowell3618 I've never heard about them or seen anyone in Denmark, but they sound pretty cool. Could imagine polini knows how to make a fast bike.

[@houstonhowell3618]

@@MikkelL03 yea I’m waiting on a head stud, but it seems pretty legit. I’ve never had anything other than Japanese bikes so it’ll be cool to see how it compares!

[@johntenhave1]

Bravo, Sir! Onward and upward. You remind me of New Zealand’s Bert Munro of “the world’s fastest Indian” fame. it is not the problems but how you deal with them. If there is a medal for perseverance you deserve it. Well done.

[@buildingdownunder2013]

So happy you’ve gone back this engine back together

[@bertramlrezenet9311]

Alex, by bringing back this engine, you woke up the horses. It's up to you now to put them to work. Show us what you got! We're all behind you!!! Wishing you success!!!

[@sunguramdogo1921]

Life is perfect, we just have to arrange our thoughts and breathe fresh air to harmonize with it. Yesterday my Gilera runner sp was stolen approx 11:00. By 12:30 The police had video of the perpetrator on a USB-stick. Then I thought, what can I do myself. I went to the Square in-between the food stores with a picture of the Gilerafan and a 24 pack of lager and a pack of smokes. Within a minute I was cheering with my fellow humans and had positive identification and a adress. After a 5 minute walk I was outside the residence of bike skeletons. I sat down and listened. After a relaxing meditation for an hour in the Swedish bleached spring sun I could hear an angry bumblebee in the distance. It was "Acurella" . The smile on the face of the rider was priceless, I could only feel glad for him so short, because I knew he would cry soon. Now its time for a shower then the ride of the day to work, on my beloved "Acurella". PD. If i have it in me I'll drive by Norway on my way home from Jämtland this summer, be aware ;) DS.

[@yelyab1]

I don’t know about you but I feel good. Nice job. I worked as engineer for 4 decades and was given the task to generate “engineering templates” which was a series of steps to perform to design our product and the template was intended to make sure everything important got done correctly for each customer’s design. It’s such a joy to watch a craftsman at work. No step by step plan, no check lists, no design reviews, the list is stifling. What’s your plan? I won’t be able to tell you until I’ve done it. Refreshing.

[@anposen4637]

It's been sooooo long since we heard that lil baby brrrrrrraap ❤️

[@soaphelps]

for something thats meant to scream the throttle response is crazy good. high five!

[@pious.techpriest]

This is the best channel of all of KZbin. Fight me.

[@IFRYRCE]

Truly the Omnissiah has blessed Alex and his 2 strokes.

[@pious.techpriest]

@@IFRYRCE Blessed be the machine, and blessed be the Creator. In the name of the Omnissiah.

[@IFRYRCE]

@@pious.techpriest The machine is my temple. Each one a sacred shrine. I name each piston blessed, and every gear divine.

[@pious.techpriest]

@@IFRYRCE By the motive force, so mote it be, and so shall it continue. Ave Imperator.

[@jackaroyan2451]

Hahahaha

[@johnpezaris6982]

That's exactly what I remember with the Roots Blower -- it starts immediately without any real issues. So, so, so nice to see that again! Hopefully with a blow-off valve, you won't have any issues with damage from backfires. Can't wait to see it fully timed and screaming.

[@fishingman4816]

You’re on a roll my magical friend. Keep up the good work.

[@carloswheeldon2553]

Well done mate! Your really heading the right direction now! Looking forward to seeing you run at Bonneville! 🏁🏁🏴‍☠️🏁🏁❤️👍

[@mozer30]

Alex you legend! I’m so glad you went back to this engine.

[@Altprophet]

Bigger ring gap is good when you use forced induction. More heat expanding the ring...

[@user-mg3zp4pk8g]

I really like that you are using two reeds on the side where the port are normally is, and that you are using the rotor for the exhaust. I love it.

[@Gretscho44]

So cool to see the supercharged back on the bench !!! And a real pleasure to ear the happyness in your voice ✊

[@SFearox]

Hello there the beast is alive again!

[@C303ofSweden]

Always a joy to watch your progress. But about your water issue. You could vacuum fill the system. Once under water it will keep it there

[@doopiej]

Love this specific concept, so happy you brought it back!

[@fordprefekt4725]

I see ignition in the eyes, glimtet er tilbake, very exiting

[@coolhandluke1503]

When you tested the welding wire throttle I instinctively said brumm brummm brumm, even tho the footage was sped up, I was ready. It's just good luck when testing carb moves at all, after reassembly, it puts the spirit back into it

[@jamesbeggs4324]

So good to hear the 'Big Dog' Running again! Thanks as always Alex! 😍

[@dalesmit7869]

Well done on first startup! Cant wait to see the final full dyno result.

[@barrymayson2492]

The sound is awesome.... Can't wait for you to give it, it's head.. thanks for your time and work.😊

[@frankiejoseph3792]

Magical Red beard powers activated... Thank God, Brother I'm literally tearing up...That thing is a beast, I hope it translates into torque! Damn I've been waiting for that kind of throttle response! Having a snort of some fine whiskey 🥃🥃on your behalf. Dyno time 🔥 Cheers

[@vg23air]

omg red beard is a hack

[@1Esteband]

I love that someone created content for 21:9 Ultrawide. Thank you!!!

[@DnBL0ser117]

It's great to see this monster running again!

[@LevixTheBirb]

Just got home and this just released! Can't wait to see it run!

[@nightwranglers1]

Finally we’re getting somewhere!! Sounds great!!!!

[@putteslaintxtbks5166]

Sounded good. Sure it will sound even better after timing is adjusted.

[@feelincrispy7053]

The guy who joined 10 two strokes together is a mad genius but this guy is on a whole other level

[@chrisyoung1478]

Overall, a great day in the shop

[@Fantaman900]

So great to have a running engine again. Exciting time up ahead.

[@grandpateal]

When I’m struggling through a project I often think of you. You always figure it out. You always win. I appreciate you.

[@thatoldchevy001]

It's like priming a rocket with NASA. I think everyone felt what you feel. COngratulations!

[@adrianverwey5053]

Its alive!!!

[@popeyeman69]

An amazing win Alex! It sounds really crisp, and the whole engine is filled with out of the box thinking. Glad I'm subscribed!

[@IFRYRCE]

Finnish by hand table? I thought you were Norwegian! ...I'll see myself out.

[@cryptosweden8517]

finally some 2stroke sounds 😍👍

[@nj2352]

Although it is familiar, this build is unlike anything I have seen at the present moment. It chimes memories of pulse jets mixed with turbo fans, truly it is something of a pioneering mosaic.

[@whipplecreekracing]

Im so happy the rotary exhaust is working. I cant wait to see results on graph. You are headed in the right direction bro! Brute force for the win!

[@isickofit]

Epic. And the cinematography with soundtrack? *chefs kiss.

[@serenitypillows61]

That black screen run off was perfect

[@mikeford5106]

The "soundtrack " was bloody awful ! ... and waaaaay too LOUD ! ... IMHO.

[@ericdeven1296]

Im very happy you seem to be back on track. Good for you!!!

[@dieguerrero]

Congratulations Alex!!! Love to see that beast running again!!! I also love the Spanish guitar music while you assemble the engine. Looking forward to the next video!!!!

[@guidorollard2944]

sometimes i think, you have to have the determination that this guy has

[@teltwosheds2972]

Bit of a throwback to the early days. So cool to catch-up with your channel again 😊

[@thedarkknight1971]

Right... You know she starts. So.. To avoid further/potential time/effort costing issues:- - Remove blower, fill it to correct level with oil, - Remove head and get rid of that air bubble, and, - Set up the dual cable throttle for easier/more precise control... Apart from that.... She be looking good to go for further testing/tuning! Nice one fella! 👍😏 😎🇬🇧

[@antoniovillanueva308]

Your videos bring joy.

[@Fewz_nl]

Heroic Revving, sounds great allready!!!

[@-Doom-Strike-One]

Good to hear it fire up and sound so smooth.

[@leegarrett5469]

Turbo, nitrous and supercharger engines generally run a larger gap due to increased heat

[@ianj8505]

Yeah which made me worry for a sec about the cooling system but he said at the end it was fixed? I’d love to see a thermal image video of it running at full tilt.

[@johnmoe2806]

Very nice to see a success video through and through.

[@SixPackDan]

Its funny how mesmerizing it was to watch you put the worlds most intricate and complicated 50cc engine together. You get all done and its mechanical art.

[@Carstereoguy]

Its crazy how you can build and design theese things by yourself in your garage. Love your videos. Never stop

[@justindastar]

these monday videos have been great

[@morseoneuk]

WOW! it lives...

[@thewildernessfactor2667]

Glad to see her back in action man🎉 I’ve been watching since the beginning. You inspired my stroked high compression big bore 95cc moped. Every time I watch one of your videos it makes me want to go out to my garage and tinker. Keep up the amazing videos.❤

[@themandolinmaniac]

It is ALIVE!! I love it! I dream of a Bonneville run! I dream of seeing the hp bouncing into the 30's! Thank you!

[@wouterdegroot3803]

Inconvenience 2; bleeding the air out of the cooling system? Oh haha never mind.

[@yommmrr]

I swear this thing has been prophesised in a book somewhere a thousand years ago. The epitome of fuel moving metal to make power.

[@AntonHoward-mx9sb]

Excellent stuff, well done. I think you have more than a few people willing you on.

[@andybobandy641]

It's ALIVE!! *insert thunder crash and lightning strike*

[@davidf.8497]

That thing ROOOAAARRS! Wow!

[@cskalle1213]

jeremy clarkson: POWER!!!

[@conorbarrington1164]

Yes! We’re back!

[@awesomeawesome8877]

I've been watching your channel from way back, you have perceived though many challenges and its really good to see your creation running again 💪. You're not the only one with challenges, you're determination to look up and push forward give strength to others to stay strong and pursue there passion. Remember the possible air lock in the water cooling 🙂Thank you & look forward to your next video 👍

[@kunagtr]

Wizard of 2 stroke💪👍🤗

[@andresteinmaurer1171]

Ive been watching since the boody beginning, and im soo glad to see this design beeing worked on, i think it has good potential, but what do i know xD. Just wanted to say that you are relly insiering, and i love to see your videos. Cheers🍻

[@jimrobcoyle]

Hail the algorithm! 😉

[@robertbritton4716]

Awesome I felt a huge weight lifted off me I can imagine you feel good about what you now have accomplished,great job!!

[@toralfcross3819]

I like this carburetor arrangement that you described. The engine seems to respond crisp and clean.

[@superdave2403]

You have come so damn far !! I have watched you for a while now. Your skills are improving. Impressed! Keep it up my friend I am proud of your loyalty to your work!! Godspeed

[@stephenhourd4653]

Master, it lives!

[@kensutherland414]

Sensational mate. I recon you needed a nervous piss just as you were about to fire it. Iv started two stroke Detroit engines after a major rebuild and it’s surprisingly nerve wracking.

[@brunobarks6544]

Just awesome. Thanks again 👍

[@timbahlert62]

Gratulation!! Endlich der so erwartete Erfolg von Deinem Motor Konzept! Super, Freu mich für Dich. Hab Dich sehr gerne Begleitet die letzten 4 Jahre....was war das für eine Achterbahn! Liebe Grüße aus Kiel - Germany

[@NadjahCY]

What a epic ending ! I've been modifying and tuning scooter engines for 24 years now, and I've learned much from your videos since you started making them. Thanks for another epic video, you´re the MVP.! see you next time Sir (:

[@yannickribau8101]

Have you ever seen "Groundhog Day" ? 😁

[@2STROKESTUFFING]

😂

[@voraz9002]

LET'S GOOOOO ❤

[@NvTwist]

The larger belt doesn’t need to be tight tensioned, if tire unable to remove the belt by hand without tools is too tight. The smaller belt has the tooth profile that requires tension to prevent slipping.

[@1crazypj]

Even though you started WFT 6 years ago I must say I admire you perseverance making worlds largest 50cc motor. I imagine it will make around 33~34bhp on nitro-methane at 28,000 rpm? It was great to hear it running

[@bostonbikebits6539]

That's sounding crisp, here's to the next video. Ps I was running my Joe Ehrlich engine the other day on castrol R, it made my eyes burn.

[@CHRnorton]

The engine looks like something from "Star Wars", let's hope you win the battle soon.

[@robertwinsper7409]

Awesome Mate. You've been to Hell and back with this bloody engine. Onwards and Upwards now!

[@papopleto]

that sounds crazy man

[@stephenfrancisvoros382]

With a tangent here and a tangent there, eventually you'll come full circle. IT'S ALIVE! Surely says it all.

[@The_Capt]

That was worth the wait!

[@timothyfalkowski6007]

the rotary valve or a poppet valve to close the exhaust on the piston up-stroke, is the only way to super charge a two stroke engine. a normal piston closed exhaust is open on the up-stroke, and the charged intake would short circuit out the exhaust port.

[@MikeyAntonakakis]

Great job!! You so very deserved a smooth startup!

[@aeroxdima7777]

YESSSSSSS!!!! THE MACHINE IS ALIVE!!!!! And the engine runs as well :)

[@murphyking79]

I been watching thos channel for years waiting on this motor.