Another engine maybe????

[asra]

What about some of these new motorcycle engines now available. Rev like hell, never stop, big HP, big CC's ??????? just asking....RussRDC

[birdy]

Wot about um??Good fa scooters.Ignorance is bliss............but only till you realise you were.Ingratitude stinks.......be generous carefully.

[Echo]

The problem with big bike engines is the gearbox being part of the motor ie: more bits & pieces wizzing around & fitting a prop hub. I've said it before - what about a jet-ski engine ? Polaris & Kawasaki make them up to 130hp , all alloy with no gearbox . I have heard of a Harley powered gyro , but I reckon vibration could be a problem( plus you would have to get a heap of tatts & wear black leather to fly it )X

[asra]

I may have found one that will do the job, after some diging,should know more about it and will let you know about on the easter week end Russ, early investigations seem VERY promising, but must see for my self going to pull it apart the week before i go out to Prairie.. fingers crossed..Mark

[Ken Watson]

Jerry Goodwin and a few others have used BMW engines. The gearbox just unbolts. These were originally designed for aircraft as there badge symbolises. Dennis Alderton used a z900 engine in an ultralight. I reckon Erics on the money although finding a gearbox to stand the hp might be a problem. Most use the jet pump to cool the motor so an alternative pump and radiator would have to be found. The 2 strokes would be thirsty although apparantly the new Yamaha's are 4 stroke. The revs and reduction would be the main problem. Forget 130hp, some are closer to 200hp and there a lot of after market stuff available in the U.S. Even the early kawasaki and yamaha twin motors would be good as they have electric starters already mounted and are 650 and 750cc. These engines are common as they are also used in skidoos. Onya Eric. Ken

[Echo]

I heard that anything over 110hp in a jet ski is probably a 4-stroke , the big Polaris is supercharged. Just need to get a good look in one to see if they would suit. How's the ' motor home ' coming along , Ken?X

[Ken Watson]

Club Ken is almost finished. hope to show you when I see you mate. ken

[Jan]

What about some of these new motorcycle engines now available. Rev like hell, never stop, big HP, big CC"s ??????? just asking....RussRDC

[Scott Hogan]

I think this is the engine they are talking about on the US forum and someone is setting one up with a NZ gearbox.Better power to weight than a Rotax 4 stroke 914 and they apparently have thousands of them out there. http://www.weber-motor.com/en/produc...ndex.htmlHoges

[bones]

yeah ill let some one else try them for a couple of thuo hours first, only 83 hp, 50kg without the gear box, and plating ect to mount it, might be good but how about one of these when they come out?Still testing yet but sound good, best power to fuel ever, http://www.revetec.com/home.html

[RickH]

Did some one mention motorcycle engines, something like BMW. The rotax "C" and "E" type gearboxes are worth looking at.Checkout the attached images of my BMW and a rotax "E" box.Regards RickH

[Jan]

As my experience with M.cycle engines.

[AirWolf]

Hi, I"m useing a BMW R1200 GS engine with a TakeOff reduction drive in a single seat I"m building. The engine is air cooled with oil cooled heads, 4 valves per cyl, 2 plugs per cyl, 105 HP & fuel injected. if anyone is interested.

[jeff b]

A BMW 1200GS with the takeoff drive pictured is currently being fitted into a MTO Sport in Qld. Looks nice and we"ll see how it goes soon.

[Peter_Grindrod]

I reckon these jet ski engines are the go 255hp, you could detune them 100hp to make them more reliable. plenty of electric water pumps on the market these days.Could buy two second hand ski"s for the price of a rotax 100hpPete