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ak-models Flanker and prop questions

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Old 11-22-2009, 12:42 PM
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BigBadJon
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Default ak-models Flanker and prop questions

my Akm flanker is finally finished, right now it has a Magnum 91 with jettstream muffler the plane weighs less then 8 ibs easy. ( no fuel) was wondering what prop ya think? ill get some pics and post em up. the jet makes me drool [sm=tongue_smile.gif]
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Old 11-22-2009, 01:02 PM
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Default RE: ak-models Flanker and prop questions

Hi there, 12x6,11x8 would be good for starters, any pics of the sweet thing?
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Old 11-22-2009, 02:03 PM
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Default RE: ak-models Flanker and prop questions

here are the only pics i have of it right now heh.
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Old 11-22-2009, 04:22 PM
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Default RE: ak-models Flanker and prop questions

Very nice
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Old 11-23-2009, 09:49 PM
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Default RE: ak-models Flanker and prop questions


ORIGINAL: BigBadJon

my Akm flanker is finally finished, right now it has a Magnum 91 with jettstream muffler the plane weighs less then 9 ibs easy. ( no fuel) was wondering what prop ya think? ill get some pics and post em up. the jet makes me drool [sm=tongue_smile.gif]
Break the engine in a bit first using a 12x6 - take the engine up to 13,000 rpm and let it run there (should be slightly rich). Then move up to a 12x8 for flight. The Mag91 runs similar to the OS91FX with that setup. You are looking for ground peak rpm somewhere around 12,500 - 13,000 with the Mag91/Jett setup. Back off 500 rpm from peak for flight.

The 11x8 or 11x9 prop will work, but the plane is sorta draggy.. seems to fly better with the 12" diameter.
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