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

Fast Coroplast

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Old 01-05-2003, 06:02 AM
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murrat
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Default Fast Coroplast

This Coro Delta has a glass fuse and cowl.
Engine is MVVS 40 with tuned pipe out the back.
30 inch span. ~3 lbs

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Old 01-05-2003, 03:42 PM
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Jeff Leavitt
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Default Fast Coroplast

Murrat,

Hey! I like 'em both!! I had a Poodle like yours for 17 years. He was a real buddy....

Now for the airplane. Wow..... Very nice job on the fuse. Did you make the mold for this ? I don't ever recall seeing a kit with a simular fuse set up. Thirty inch span? forty size engine? (MVVS) Has it flown yet? This thing should really haul. Don't blink! What kind of speeds do you think you'll be able to acheive? Airplane looks like it's very nicely done, Good Job... Best Regds, Jeff.....
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Old 01-05-2003, 05:20 PM
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matchlessaero
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Great job Murrat!

Guys, this thing may be coroplast, but I think he has truly included some things that need to be included on many of the molded planes. IE-- molded fuse with enclosed engine and pipe, and faired linkages.

You did it right Murrat. Let us know how it goes!
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Old 01-07-2003, 08:23 AM
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Default Fast Coroplast

I estimate speed to be ~150 mph before I put the fuse and cowl on, but can't really be sure. I know it is much faster than previous planes I had clocked a 110mph. Flies nice and straight, and quite smooth around the corners.

I haven't had a successful flight since I put the glass fuse and cowl on. Had my CofG back too far. ~17% of MAC.
I am now returning CofG to 11%, where I find it more stable.

FYI, this airfoil is flat bottom. Maximum thickness of wing is 1inch in center.
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