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Jun 16, 2009, 06:39 PM
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Alula Teaser

Last edited by JGAF; Nov 30, 2009 at 06:34 PM.
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Jun 16, 2009, 06:55 PM
DS Junkie
Screamin' Eagle's Avatar

Looks cool! "Arcel" foam (not familiar with it) and similar design to the Weasel. Looks like AUW has increased a bit to 5.5 to 6 oz...

Edit - I should have kept reading:

What is it? ARCEL™ foam is a blend of polyethylene and polystyrene foam. The polyethylene provides toughness and the polystyrene adds a greater amount of rigidity and stability than that of EPP (for a given density).

ARCEL is not brittle like pure polystyrene and will not flake off. While ARCEL may not have the same "bounce" quality and dent resistance of EPP, its superior stiffness and stability allow us to achieve a delicate and refined "no covering required" design that is ultralight, yet rigid and stable enough to withstand many sidearm launches.

Why? While we think there is no substitute for EPP in "rough and tumble" type gliders that see alot of abuse on the slope (like the Weasel), ARCEL made more sense for the Alula given the glider's thin wing and low weight design requirements. A few other benefits of using ARCEL are its paintability and sandability, which allows one to sand away the small surface vent marks resulting from the molding process (for cleaner looking and more aerodynamic surfaces).
Jun 16, 2009, 07:14 PM
altitude adjustment
thumbhead's Avatar
I asked about ARCEL foam a while ago. HERE I got my son a small chuck glider made of the stuff a while back. I got it for him because I wanted to check out the foam. It's super rigid but way tougher than styro. If it's in fact the same stuff I think it is, it should be perfect for the Alula.

Jun 16, 2009, 08:47 PM
ajroahkni's Avatar
Where are you getting the weight/arcel info?
Jun 16, 2009, 08:49 PM
Louied's Avatar
On the order page John for the weight. Right below that is the Arcel info.
Jun 16, 2009, 08:53 PM
taggrrr's Avatar
Check out the blog for a nice 3-view...
Ooops, I didn't notice the two links above were diff...
Jun 16, 2009, 09:00 PM
ajroahkni's Avatar
Ah I see - needed to reload the page.

Thanks Louie.

Looks like a totally different planform, more area/span as well?
Jun 16, 2009, 09:12 PM
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I can't wait until 9:00 AM tomorrow! My wallet is about to pop! Open the order link now!!!!!!
Jun 16, 2009, 10:36 PM
characters welcome!
Mark Wood's Avatar
Aren't Multiplex planes made of Arcel? Kind of a cross between EPP and Styro. Used for injection processes.

Jun 16, 2009, 10:44 PM
altitude adjustment
thumbhead's Avatar
The foam I'm thinking of as Arcel is nothing like EPP. Maybe I got my wires crossed on this, but you can actually snap the foam I'm talking about. I could swear it's called Arcel. Maybe I'm wrong. I guess I'm gunna have to order an Alula just to be sure.

Jun 16, 2009, 11:11 PM
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Multiplex planes are made of Elapor.
Jun 17, 2009, 12:11 AM
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This new version looks neat. Could be a new backpack glider for me.
Jun 17, 2009, 01:33 AM
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prodjx's Avatar
Several year's FMA sold a 50" wing made of Arsel foam, it was designed to be very versatal, R/C slope, electric, and F/F. Pretty durable.
Jun 17, 2009, 02:49 AM
ajroahkni's Avatar
That's what I was thinking - what was it called? I think it was blue in tint, wasn't it?
Jun 17, 2009, 06:30 AM
Registered User
I believe the FMA wing was called the Razor, i may have to dig through my old stack of mags for the material confirmation, but what better way to kill time till the new alulas ship out


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