Yamaha Powered Airplane Conversion Part 3 TEST FLIGHT

Kolb Firestar with a Yamaha Phazer snowmobile engine installed.
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[@Mike-01234]

Nice video you see Yamaha announced they are going to build aircraft engines last week. Announcement was a partnership with a Japanese aircraft manufacture. I wonder if this will lead to full engine production competing with Rotax.

[@politicalsheepdog]

That engine looks huge on that plane.

[@LeaMacDonald]

She climbs like a homesick angel! :)

[@olsonspeed]

Wow, that is the first Kolb STOL takeoff I have ever seen. Looks like your engine swap was a success!

[@prof.heinous191]

Brilliant work! Looking forward to the numbers.

[@jrbailey3208]

Hey Ben, Really looked forward to seeing this one; the First Flight of the Abominable Snow Machine: just like the renowned 'Abominable Snow Man', your new girl can go places at speeds no one would expect by just looking at her! She can leap tall Sequoias in a single bound! I LOVED that superbly SHARP ASCENT; like one of those Just Aircraft Heavies with the 180Hp Titan engines! When you noted you could have made an even steeper ascent, I'm going.......oh yeah, the Hammerhead ride from days long gone! I figured that engine would do the job for you, and in spades (that much hp with so little weight? How could she not go lickety split?), but what you showed us all speaks well to your giving her the Full Test and debugging phase, and I'm here to tell you, I'm REALLY LOOKING FORWARD to seeing those flight numbers, especially C.R., GPH, Stall, and definitely the numbers for STOL lift offs and landings! Lastly, if she proves out for you, I'm STILL HOPING that you'll really take the time to consider launching her commercially; there are a CRAPLOAD of folks out there who are TIRED of the 582's, the high costs of the HKS engines (love their 4 strokes but super high dollar), etc. I know there are a mountain of variables, including your views of such a complex project, but I do believe there is a market out there (I'm still not a part of that market yet, health still sucks, and all I've earned this year is $5k gross) for your great engine. When (not if) she proves out, I'd love to see her set up with FADEC and a Constant Speed Prop (or what the fascist swine at FAA are starting to call "One Lever Control" so they don't have to say C.S.P., differentiating between ELSA/103/LSA and Commercial). Can you imagine the benefits of FADEC with C.S. for STOL off field and operating cost savings? More people could afford to fly and would fly more! Oh well, the best laid plans and all....... Thanks again for a great video, just wish it had been longer with more results.....yes, I know, "Life Intrudes"; preachin to the choir! Cheers from the Oil Patch in Central WY PS. You want to talk about wind, take a look at where I live pertaining to wind this week and next....normal for us

[@canoe365]

I love your tail wheel dolly. I'm going to build one for my Kolb.

[@JamesSmith-op7yc]

Excellent work and too much fun! Keep it up and be safe. Thank you.

[@williepierce5480]

Looks like your doing just fine.

[@doncatch1]

Congrats.

[@tomlawrence6208]

Way cool very impressed on how your working thru every thing look forward to more enjoy flying..

[@michaelguy7168]

I’m in. Looking for a project for the Yamaha. Great conversion.

[@roamthailao.6614]

It's amazing projects you got there, thank for sharing.👍👍

[@davidallen9526]

Looking great

[@TheDailyMemesShow]

Dude! This aircraft is awesome - It can fly BACKWARDS! LOL!

[@countryflyer4536]

There is a video some maybe 7-8 years ago of another Kolb with a Yamaha motorcycle engine it was for sale, he landed all over on sand bars in Oregon. there was another Kolb with a BMW motorcycle engine in it...Just an FTI... great planes and engines have fun.....

[@bkairys]

Nice, Not sure why the Phazer hasn't gotten more popular by now. 80 hp and same weight as 582. Maybe this will be the engine that catches on to the masses.

[@clarklewis]

Awesome, Ben! Can you make a video of how you mounted and plumbed everything, like the oil tank and radiator , fuel lines set up? My harness from Ian Bange is on the way, and I’ve got my deposit into to Teal for the gear box. Keep up the great work!

[@bkairys]

I planned on doing something like that for sure eventually. Thanks!

[@clarklewis]

@@bkairys Thank you, Sir! Looking forward to that.

[@asennad]

@@bkairys I'd like to see more details on the fuel injection and electronic ignition ...when you have a chance. Thanks.

[@tonta332]

@@bkairys you is very good ! Thank you for making this video! Thanks

[@KGFlyer55]

Wow, so exciting, awesome!

[@raydreamer7566]

Great video and lots of info. I am really interested on an estimate of this motor build less the cost of the motor . Please keep us posted.

[@bkairys]

Well you need a Rotax C box. other than that I fabricated everything else needed. Join the Yamama Aircraft Conversion FB page.

[@treylem3]

Very nice! Can you call it a STOL plane now? Looks like it!

[@HeeHawHighlander]

Crushing it! Great work

[@kevinsavas7173]

Love it! Nice job

[@raydreamer7566]

What was your deciding factor to use a clutch and not rubber isolators ? looks and sounds fantastic ...

[@kevinswanson3910]

Looks like you can get 1500fpm,awsome.

[@georgehopper4535]

Pinwheel driven tone ring for your speed sensor.😃

[@georgestone1282]

Looking good

[@davereich8750]

Super!!!

[@michaelbishton9439]

I just bought a Quicksilver MXL II with a 503 that also needs new sails. I game across your series to put this Phaser engine on your Firestar and thought it would be great to have the extra HP on a Quick. The difference is that you know what you are doing and there isn't enough information in this series for me to learn how to do it as well. Even the part about where I can get the complete engine that is reliable. Any thoughts?

[@bobjones8864]

Wonderful job well executed.

[@Stromzilla]

Sweet!!

[@jefferysomerville168]

Will you be selling your engine adapter in the future?

[@WendelltheSongwriter]

Methodical and scientific, well done. What's the weight of that motor, specs, etc.?

[@bkairys]

80hp and weighs slightly more than a rotax 582

[@WendelltheSongwriter]

@@bkairys and I'm sorry if I missed it but what did it come out of?

[@dalemseitzer]

Weight and balance done and within acceptable limits?

[@wingandaprayeradventures6758]

You da man Bub!!!

[@russellsmith3825]

In one of these videos you mentioned the speed sensor was causing errors, I wonder if you could attach a small fan blade to a shaft and also mount a reluctor wheel behind it and kill 2 birds with one stone, I think this is how BOM gets it's speed data. Also how the V-1 buzz bombs calculated distance for their guidance systems

[@bkairys]

A different solution is coming soon

[@russellsmith3825]

@@bkairys I wonder about using one of the BOM units. Looks like a cost effective solution

[@countryflyer4536]

10 years ago his KZbin name is Sidslacker Kolb MK111

[@w.j.bendellr.c.flying.1037]

Great Job ⭐️⭐️⭐️⭐️⭐️

[@patrickmckowen2999]

Another Great vid - what is you average time to get to flying -- from parking to off the ground Cheers

[@garywheeler2055]

It’s like JOHNNY KNOXVILLE as a youtuber 🍺

[@bkairys]

Lol, haven't heard that in a few years.

[@garywheeler2055]

Just watched the video,,,,, nicely done, New subscriber now.

[@chadpalmercrisis1723]

question, is this still a part 103 ultralight 🛩

[@garybucher6824]

That thing is bad ! What part of Michigan are you in? I'm near Tawas.

[@bkairys]

Near Lansing

[@harikurk5401]

Ben, Great job, what diameter/pitch and brand prop are you using.

[@bkairys]

IVO 3 blade ultralight model, Rated for 100hp

[@drlescrawford897]

Yes, very nice, clutches are much safer on the ground. How did you decide on the tandem two seat Kolb over the SxS mark III? Are you in close contact with the Kolb folks? Thanks...

[@bkairys]

Both Kolbs were just local planes that I ended up with as good deals. I have talked to the owner of Kolb a few times. He gave me some tips on my Firefly at Osh 19.

[@zhenherald]

Gotta love the Kolb. Being between the engine and the ground on impact just doesn't seem like a good idea.

[@JessHull]

Looks really great. That climb out was crazy. Is it still 103 compliant with the new engine configuration ? or wait was it ever, what is it flying under?

[@bkairys]

This is a N numbered Firestar 2. The Firefly you see on some of my other videos is a part 103 design

[@gregfinlay8753]

Great work! What is the gearbox ratio and prop dia? Are you using the Air-tech Rotax Gear Box Clutch Rk400c ?

[@bkairys]

2.62 Rotax C Box with 3 blade Ultralight IVO prop

[@rodneylesterjr4846]

Bro thats awesome yo

[@rodneylesterjr4846]

I almost traded my Harley for a ultra light but just couldn't bring myself to it,maybe for the right deal lol

[@rodneylesterjr4846]

What do you think about a snowmobile engine like I have a Suzuki 650 liquid cooled out of snowmobile I just rebuilt what your thoughts

[@rodneylesterjr4846]

Can't wait to see more vlogs yo lol

[@bkairys]

Its all about power to weight ratio, Something 80ish lbs and 40 hp would work on a ultralight.

[@larrymangold1048]

My Firefly will be ready to fly in early spring. I'm keeping it in a 24' enclosed trailer with 12" of extra head room, but I don't have a tailwheel dolly for loading/unloading. How are you connecting to the tailwheel? I have a small trailer dolly I'll modify. Thanks.

[@bkairys]

Mine grabs around the wheel in a u shape and the axle mount for the tail wheel falls into a hole to lock in place

[@larrymangold1048]

@@bkairys Thanks Ben.

[@markjohnson3634]

hi Ben this is Mark Johnson i live in Indiana and was woundering where you get all kolbs from and how much. i want to start to fly been flying rc planes all my life

[@bkairys]

Barnstormers.com is a good place to start

[@nellawell4976]

You found the ONLY thing Yamaha doesn't make, Look out now.

[@edwardgrim7003]

Curious as to the trailer your using to transport your Kolb

[@bkairys]

Here ya go kzbin.info/www/bejne/lZm0kmqrdthgr7M

[@Stromzilla]

What is that clanking noise we hear when you taxi by?

[@bkairys]

Control cables inside tail boom go full length. It's annoying

[@theworshiptraveler6709]

Hey Ben nice job. Is this the 5 rib or the 7 rib wing set up? I had the old 5 rib wings. 7 rib is much better.

[@bkairys]

Thx! This is a Firestar2, I think all the 2s are 7 rib for the extra jump seat load.

[@wesdavis3837]

Say Ben I believe you have started a new crazzzz. We all want one.

[@arvydaskarlas6349]

hello Benai. Very nice job. I flew with a rotax 582 engine, but dropped out...I am now using car conversion "Suzuki" G13BA engine, the vertical speed is now 7.5 m / s. - Benai, do you speak Lithuanian ???

[@bkairys]

Nice! I am part Lithuanian, but unfortunately do not speak it

[@arvydaskarlas6349]

@@bkairys wow ... grandparents didn't learn Lithuanian. I have a few questions about Kolb aircraft...

[@jimmyboy163]

So, what type of horsepower are you getting at the 7500 RPM range? I read the peak HP to be 80 @11,5K(?). I put a rotax 670 95 hp on my rans S12. Engine built by rotax Rick

[@bkairys]

Makes 80 hp by 7500rpm according to dyno charts I've seen. Funny thing is the rpm feel about half of the rotax, very smooth and quiet. No mixing fuel, fuel injection, 582 weight and 2 gph in this bird.

[@jimmyboy163]

@@bkairys awesome!!! Happy and safe flying! PS, the axle lift is very cool. I have the tundra tires on my Rans and it looks so much better than the tiny little ones that most S12's have

[@gman9148]

I can't find Part 1 and Part 2, What Engine is this?

[@bkairys]

Yamaha Phazer 80hp kzbin.info/www/bejne/mnS9fZ1jf76AqLs

[@johnnyboythepilot4098]

Whats the weight of the setup & HP?

[@bkairys]

410 lbs, 80 hp

[@johnnyboythepilot4098]

@@bkairys 410 lbs. for the engine or the aircraft total?

[@bkairys]

Empty aircraft weight. Engine is about 130 lbs with everything to run it.

[@johnnyboythepilot4098]

@@bkairys Oh ok thanks!

[@bkairys]

FYI Almost exactly what a rotax 582 all up weighs

[@youtube.youtube.01]

It's never a good idea to stall so close to the ground.