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Old 06-11-2008, 07:28 AM
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B EXTREME
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Default RE: best engine for Viper 500

I personally like the FX. it is such an excellent engine, well made, well behaved, well designed but if you want performance than i would go with the TT46. from what i have read the Thunder Tiger seems to rev a little higher than the os but, as far as engine quality goes it isn't as good. it is up to you want you want to do. if you were assembling it as a practise pylon plane or a pylon plane than you would put the OS in it, if you are setting it up for oughtright speed than put the TT46 in. i have seen a few done with both of the engines and there isn't much between them (speed wise) but in my opionion the TT46 is just that little bit faster.


have you also taken a look at some of the pages on the the viper, you will find that it is one of those FIX IT BEFORE YOU FLY kinda planes

they do fly great after you fix a few things up

this will outline most of the issues they have. it is also very helpfull in the building stages aswell

http://www.rcpro.org/html/articles/q...500_by_don.htm


good luck....get ready for some speed[>:]