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

Fly it or hang it up?

Old 04-21-2013, 06:34 AM
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dhal22
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Default Fly it or hang it up?

Recently given to me by my uncle. Fly it or hang it up? Scratch built with automotive paint.
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Old 04-21-2013, 07:43 AM
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lfinney
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Default RE: Fly it or hang it up?

do a thorough preflight and balance check, run the engine etc then go fly with someone shooting video of flight
Old 04-21-2013, 09:21 AM
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Default RE: Fly it or hang it up?

Any specs? Lookes awesome and will have an unbeleivable roll rate with those full span ailerons.
Old 04-21-2013, 04:47 PM
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Default RE: Fly it or hang it up?

Bring it to the Speed Rally in June!!!!
Old 04-22-2013, 06:48 AM
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Default RE: Fly it or hang it up?

Good news it looks well built.
Bad news it isnt an all out speed plane.

I would fly it the way it is. To me it looks like a high speed 3D plane lol with the size of those control surfaces.

Or you could sell it as a one off (loose) speed plane.
Old 04-22-2013, 08:58 AM
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MJD
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Default RE: Fly it or hang it up?

What engine is in it?
Old 04-23-2013, 02:48 AM
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dhal22
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Default RE: Fly it or hang it up?

It is a speed design, although a 30+ year old one. One of my uncle's many self design/builds. It is actually mostly flaps not all ailerons, only the outer 5" or so are ailerons. The engine is a pumped OS RF 61, not what I expected to see upon removing the cowling. I would have though a VF perhaps.

Not sure about it's recorded speed but it was radared back when the only person to fly it (pattern flyer Bill Cunningham) took it up for a few test flights. I believe 160 plus was the recorded speed.

I fly slow 100 cc Yak's etc, probably not qualified to fly this. Maybe the speed rally is a good place to put it in the air again. I will post more pictures later.
Old 04-23-2013, 02:58 AM
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Default RE: Fly it or hang it up?


ORIGINAL: dhal22

Recently given to me by my uncle. Fly it or hang it up? Scratch built with automotive paint.
David.... You've got significant stick time, so give it a shot. You don't have to firewall the throttle on it. I would expect that on your third flight with this thing you would be ripping down the runway trying it out full bore. Go for it! The only reason to ever hang up a plane is if you think it has become unsafe. I had a ship once that had cracks around the glassed engine compartment and was afraid the big FSR would just rip out some day.
Old 04-23-2013, 07:25 AM
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Default RE: Fly it or hang it up?


ORIGINAL: dhal22

It is a speed design, although a 30+ year old one. One of my uncle's many self design/builds. It is actually mostly flaps not all ailerons, only the outer 5'' or so are ailerons. The engine is a pumped OS RF 61, not what I expected to see upon removing the cowling. I would have though a VF perhaps.

Not sure about it's recorded speed but it was radared back when the only person to fly it (pattern flyer Bill Cunningham) took it up for a few test flights. I believe 160 plus was the recorded speed.
Cool design.

You can always rein in the top speed with prop choice (as well as throttle of course), same as test flying a .46-50 delta with a 10-6. I believe 160 mph is realistic for the power and layout. I wonder what prop was used for those tracked flights - 10-9, 10-10 maybe?
Old 04-23-2013, 05:16 PM
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dhal22
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Default RE: Fly it or hang it up?

The prop on it now is a 11 x 12 but looks altered. Maybe 10 x 12? I can measure. I will post a photo of the wing airfoil, it is razor thin.
Old 04-23-2013, 05:31 PM
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Default RE: Fly it or hang it up?

Bring it up man!!!
Old 04-23-2013, 06:14 PM
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dhal22
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Default RE: Fly it or hang it up?

It will take some work to make it airworthy. The concealed rudder connection is loose inside the plane. Will have to make a small incision to check that out. Pull and rebuild the engine, new servos, etc.

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