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  1. U

    Where can I get a reduction drive for a Cuyuna 215?

    I looked there and all they have are engines, no reduction drives.
  2. U

    Where can I get a reduction drive for a Cuyuna 215?

    Ive found a great deal on a Cuyuna 215 but it has no reduction drive, Ive seen many of them out there on skypups which is what I want to build because of the low cost. Seems like everyone has them. Where can I buy one? 2si even sells them as an option with a new engine but I have found nowhere...
  3. U

    Will a Rotax 462 from a snowmobile make a good engine?

    I got The 440 engine for free, Its made by CCW. It was rebuilt recently and runs real nice, I know because its currently in a Polaris snowmobile:D Thing flies. It starts on the first pull everytime. It used to be a single carb motor and only had one coil, now it has duel carbs and a coil for...
  4. U

    Will a Rotax 462 from a snowmobile make a good engine?

    Which of these engines would be a better choice? I got a friend with a Rotax 462 thats liquid cooled he pulled off a snomobile, It has good compression. He also has a 440 he got off a ski doo. The 440 was rebuilt and runs good. I never knew rotax engines were used on snowmobiles I thought they...
  5. U

    Anybody know anything about this ultralight?

    Yeah looks like Im going to go the kawasaki engine route then, wont be expensive to get one. Im ordering the plans this week and hope to start building soon. Thanks for the input:D
  6. U

    Anybody know anything about this ultralight?

    Yeah your probably right, I was afraid of that:( The thing is I can get pretty much any briggs engine for free around here. I geuss Ill have to look around for an old Kawasaki 340 or larger snowmobile for sale that I can rebuild and use the engine from, you can get them dirt cheap in the...
  7. U

    Anybody know anything about this ultralight?

    Your right, for their specs they used the Cuyuna but do you think it would be possible to use a 13hp briggs? I mean if it did work the thing would be pretty slow but I dont care as long as it flies:D Do you think it would have enough grunt to get it off the ground?
  8. U

    Anybody know anything about this ultralight?

    Looks to be pretty much what Im looking to build, an extremely simple flying machine. The one Im referring to is the "Mach .07" as you get plans for a couple simple ultralights. Also would a 13 HP briggs really do it for this plane? It is listed as only weighing in at 160 lbs. It kinda resembles...
  9. U

    Need Some general info on building a heli

    Yeah an auto giro was actually what I originally wanted because they are simple and very safe, I just wanted the ability to take off vertically. However Ive been thinking about it and maybe a helicopter is a little too expensive to build right now and there is alot involved in designing your own...
  10. U

    Need Some general info on building a heli

    HeliDev your probably right, over the last few days Ive been doing some reading on the principles of helicoptors and their developement, aparently their is alot more to take into account. My design would work but as stated before it dousn't exactly have a 5 star safety rating. I need to go look...
  11. U

    Need Some general info on building a heli

    For clarification I meant to have 1 main rotor with 2 blades. Yeah Ive been trying to figure out some kind safety feature for a situation like the engine quitting. Thats one of the reasons I havent started building yet. The way the main rotor is linked to the engine it would stop if the...
  12. U

    Need Some general info on building a heli

    I feel I should probably elaborate on my design idea if I want you guys to be able to effectivally help me. Ill start with the engines, one engine will power the main rotors and a second small engine will power the tail rotor. The tail rotor engines throttle will have to be adjusted depending on...
  13. U

    Need Some general info on building a heli

    First of all Hi Im new on these forums. I have wanted to build a heli for quite some time however they can be pretty expensive and complicated to build. However I recently thought of a way to use a vertical shaft engine in a very simple engine layout for the main rotors which suddenly makes the...
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