Extreme Speed Prop Planes Discuss the need for speed with fast prop planes (Screamin Demon, Diamond Dust, Shrikes or any REAL sound breakin'''' plane)

best prop for Hostettlers "full tilt boogie"

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Old 01-29-2009, 09:57 PM
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rtstestpilot
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Default best prop for Hostettlers "full tilt boogie"

Any body have any good ideas as to what size and kind of prop to get the most speed from Hostettlers 34% "Full Tilt Boogie" biplane? I'm new to the speed part of this hobby and would appreciate some input. The engine is a 3W 70 cc twin and the plane should weight in around the 20 lb. mark. Thanks, Todd
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Old 01-29-2009, 11:34 PM
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Default RE: best prop for Hostettlers "full tilt boogie"

I'm running a 26x10 on my 3W 75. so if you want to go fast with a 70 I think I'd start with a 24x10 to let it wind up a bit.
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Old 01-30-2009, 01:35 AM
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Default RE: best prop for Hostettlers "full tilt boogie"

I race in the USRA Biplane Class. We use a stock Zenoah GT-80 twin. Our bipes must weigh at least 20 lbs. The race was won in 2007 by a Mong. I don't know what prop he was running but I was running an APC prop that is specially made for the AT-6 Class. I can't tell you what the pitch is but I believe it is around a 19 X 17. Just give APC a call and tell them you want a USRA AT-6 prop and you should do well. The AT-6 class mandates a Zenoah G-62. That prop is designed to overcome the large cowl of the AT-6. It works perfectly for me on my GT-80 powered Pitts Special. It is a good place to start for you and then, go from there.
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Old 02-11-2009, 08:08 PM
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Default RE: best prop for Hostettlers "full tilt boogie"

Hey, thanks guys. I talked to APC and ordered the T-6 racing props. They are actually a 20-12 prop and they are on the way.
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Old 02-12-2009, 01:29 AM
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Default RE: best prop for Hostettlers "full tilt boogie"

Hi RTS,

We raced a Full Tilt Boogie at Madera with a Aerrow 75 RSS. It was actually a KT Aviation kit which had a "T" tail. We were running a modified 20x16 APC ( cut down to 19" diameter or so) and was turning about 8900 rpm on the ground. A 19 x17 will also work as well but you need to trim it down a bit.

Now there should be some carbon fiber props that will work but, be prepared to spend the money for them.

The one thing you will have to be careful of is the landings. The landings were usually dead sticked. With the main gear on the wings it was easy for the plane to tip over and land on its nose or back.

Good luck with your Mong.

Carlos G.
Formerly of
Laid Back Racing Team
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