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Which Engine??

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RICHARD PATERSON09/07/2008 18:52:00
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17 forum posts

Hi guys,

 I have just purchased an ultimate .90 bipe, could anyone advise me on the best engine for it, 2-stroke, 4-stroke,  .90 - 1.20 i really can't decide. If anyone has one or can help me decide could you please let me know. Also the optimum fuel is another decision

Thanks for any advice

Eric Bray10/07/2008 11:30:00
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6600 forum posts
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If you want to potter prettily around with it, go for a 4s 90. but if you want to wring it's neck, shoe-horn in the biggest engine that will fit! If you have too much power (unlikely) you can always throttle back once it is in the air!
simon barr10/07/2008 17:34:00
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1032 forum posts
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Hi Richard,

A mate of mine had the Top Gun Ultimate, is this the same as yours?

If it is, he had an OS 120AX in it...went very well

Ralph Yeates31/07/2008 12:00:00
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218 forum posts
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I have the great planes Ultimate 160 running a Brison 52cc petrol some say over powered I say lets go vertical and hang on the prop. As Eric says the throttle is there for a reason.
Engine Doctor03/08/2008 10:11:00
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2254 forum posts
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Hi Richard . I have a black horse ( or is it a seagull ) artf ultimate . I bought it at the swapmeet at last years Hop farm show.I had a SC 120 lying idle so fitted it and Its a perfect match. Flys superb with plenty of vertical.etc. Obviously cant prop hang like the guy with the Brison 52cc motor but is a great flyer . The other good thing about it is that it fits in the car all assembled so no fiddling about at the field.

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