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Old Jul 10, 2007, 02:58 PM
david.ingham is offline
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Scratch built but old


Flea Whiz is from How to Design and Build Flying Model Airplanes by Keith Laumer, modified to take a toy pilot.
The P40 is original. It is so heavy for its wing size that it is almost a static display model.
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Old Jul 10, 2007, 04:15 PM
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I'd guess that almost means ,in this case, that you shouldn't maybe fly it, but you do that anyway, right? Good looking birds.
Old Jul 20, 2007, 06:08 PM
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SKcope, that is a beautifull plane. I really like the wing ribs, and I can see why you would use transparent covering. All that rib-work should be seen.

Here are a couple of my 1/2a's
Old Jul 20, 2007, 06:20 PM
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david.ingham,

Love the Flea Whiz. I really like Keith Laumer's designs and I have How to Design and Build Flying Model Airplanes too.
Old Jul 20, 2007, 07:58 PM
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Thanks Bipe Flier.
Skcope, yes, that is a very nice rib structure. It reminds me of piloted wooden aircraft ribs.
The clear covering leaves you open to other engineering comments, though. The spar doesn't need to be as large near the wing tips as near the fuselage. Keith Laumer's drawing has Flea Whiz's spar a constant thickness, but mine is tapered. It is also reinforced with hard wood near the fuselage, where it connects to however I carried the stress across the fuselage, while leaving room for the pilot. I remember a free flight glider plan in Aeromodeler with a very complicated tapered built up spar.
Old Aug 02, 2007, 09:56 AM
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a.k.a. skcope
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Thanks for the input guys. David, you are correct that the spar doesn't need to be as thick at the wing tips but for the sake of simplicity, I made mine constant width vs. tapered. The ribs are the same thickness throughout the wing so it seemed simpler to make a constant thickness spar. The original design called for a solid spar while mine is actually a built up box spar (two smaller spars with shear webbing on either side) so it is actually quite light.
-Scott
Old Sep 03, 2007, 12:54 AM
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The easiest way to power the Rx was to leave the original battery where it was, so it took quite a bit of solder glued to the tail.
Old Oct 05, 2007, 01:00 AM
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I have an RC Push Up I made and a free flight Daniel Boom I bought and am fixing up, but I left my digital camera at my niece's.
Skalliwag tells me that the wings bend on on Cox RC RTFs if you over-engine them. That plane was not a success, but the remaining hardware is in my Push Up.
Old Oct 09, 2007, 03:08 AM
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Pictures


Here are Bruce's Daniel Boom and my Push-Up, both waiting to fly.
Old Oct 26, 2007, 03:35 PM
emontielr is offline
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Enrique Montiel
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Biplane


I've ahd this biplane for about 7 years, great flyer, take off and landing in runaway.

Norvel BigMig .061, hitec HS55 on rudder, elev, ailerons.
Weight 550gr ready to fly.
Last edited by emontielr; Oct 30, 2007 at 05:41 PM. Reason: info
Old Oct 26, 2007, 11:15 PM
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Great looking bipe. It looks like a 1/2A plane should look... i.e. like it's had a fun life.
Old Oct 27, 2007, 05:11 PM
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elliptical = beauty
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my first half-EH!! and a CO2 to compliment it...


my father-in-law bought the Sig Lil' Rascal kit for me. even got the asp .061 to go with it. WHAT A BUILD! very challenging. this is my second kit to build, and i've really enjoyed it. i guess it took me about 4 months to complete. lots going on, primarily my wife's MORNING SICKNESS! i guess i've created 2 lil' rascals in the past few months! HA! i highly recommend this kit. its really fun to build. i'm looking forward to the maiden this weeked.

the foam CO2 plane is the 27" Russian Jr. Foam ARF w/Co2 Motor Set Complete from carlsonengineimports.net. the fuselage was in two halves, and the vertical stab was seperate. i glued all that together with some UHU imitation. the wing is one piece and rubberbands on, as does he horizontal stab. i'm really pleased with how well it flies. the motor is plastic, but its my first, and i really like it. Ed Carlson is a great guy! Really helpful.
Old Oct 31, 2007, 12:27 PM
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feel no remorse
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Rascal_Tom i myself have one of those Junior ff models, the only thing thats left of it is the motor wiht a tank. The model crashed along time ago. But i have a problem, heres the thing; the co2 refil bottle(The black russian made) does not accept the american brand co2 metal bottles. It there some other way you fill your motor up? How do you do it?

Thanks Tom
Old Oct 31, 2007, 03:02 PM
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elliptical = beauty
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youth must fly- i pmd you..
Old Oct 31, 2007, 03:22 PM
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"Cracking Toast Grommit!"
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Quote:
Originally Posted by youth must fly
Rascal_Tom i myself have one of those Junior ff models, the only thing thats left of it is the motor wiht a tank. The model crashed along time ago. But i have a problem, heres the thing; the co2 refil bottle(The black russian made) does not accept the american brand co2 metal bottles. It there some other way you fill your motor up? How do you do it?

Thanks Tom
I would also like to know. I have a little russian motor, and I finally got it running after an exhaustive search for 8gm. co2 bulbs.
Is there a charger that takes the 12gm. co2 cartridges?
How is everyone else filling up?


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