Scratch-built 41% scale Extra 300 shock flyer - RC Groups
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This thread is privately moderated by pardus, who may elect to delete unwanted replies.
Dec 12, 2011, 12:53 PM
Graham Dyer
pardus's Avatar

Scratch-built 41% scale Extra 300 shock flyer

Construction: Polystyrene foam (EPS) covered with paper & thinned wood glue.

Last edited by pardus; Jan 16, 2012 at 01:08 PM. Reason: More details
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Dec 12, 2011, 01:41 PM
Aut Viam Inveniam Aut Faciam
verticalspark's Avatar
Ok, Now that awesome!
Dec 12, 2011, 08:37 PM
Registered User
Chrizz's Avatar
Looks good, sounds slightly crazy! I like it!
Could you post at video of it flying?

Happy Landings :-)
Dec 12, 2011, 08:40 PM
Registered User
That's the foam overlord! Very cool.
Dec 15, 2011, 12:00 AM
Watt Waster
Tsavah's Avatar

Too Much Foam

Originally Posted by dhc8guru
That's the foam overlord! Very cool.
I don't think my truck can get it to the field, but it might fly my truck to the field. I like it.
Latest blog entry: Center of Gravity - Airplanes
Jan 16, 2012, 01:06 PM
Graham Dyer
pardus's Avatar
Thanks Guys. I'll see if I can find the video's that have been taken of the plane and post them here.
Nov 30, 2014, 01:26 PM
Waste Nothing
RickC_RCAV8R's Avatar
Graham :

This model looks awesome ! What is the AUW ? Please post your covering technique or Email me direct . Thinned wood glue using paper ? You have indeed piqued my interest . I may use this for my recent V22 Osprey project . Kudos .
Nov 30, 2014, 02:29 PM
Graham Dyer
pardus's Avatar
Thanks Rick, It's a been a long time ago now but I dug up some of the old stats. There's also a few photo's on an old webpage. Paper used was sometimes called "fish and chip" paper - wet the paper and allow to drip, Place paper on a flat non-absorbent surface and paint on the water-thinned wood glue and then place each piece of paper carefully onto sanded foam. If covering wings do both surfaces and dry in the shade to prevent warping as the paper shrinks by at least 10% on drying.

Span 294cm (9.6ft), Length 264cm (8.6ft), Weight 6kg (13.2lb),
power: 20xGP3300 NiMh, Axi 4130/16, 16x8 ApCe, CC Phoenix 60 ESC, 'only' 750W
Construction: paper & thinned wood glue over polystyrene foam.

Following your Osprey build with interest.
Last edited by pardus; Nov 30, 2014 at 02:38 PM.

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