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Kangaroo formers?

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Kangaroo formers?

Old 12-14-2009, 06:43 PM
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seflyer
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Default Kangaroo formers?

I have picked up a used damaged Kangaroo, I want to replace all the internal formers as it was damaged on takeoff on the maiden and never repaired. anyone have a pattern for these formers? this is a original kit built roo with glass fuse and foam core wings.

thanks Kevin
Old 12-14-2009, 10:22 PM
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Default RE: Kangaroo formers?

try comosite_arf.com
Old 12-16-2009, 12:58 PM
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Default RE: Kangaroo formers?

Here is the website for Composite ARF:

http://www.carf-models.com/public_carf/pages/

If you cant find any, make some out of 4mm depron (easy to cut and sand to shape) then trace them down on a piece of wood and cut to shape.
Old 12-16-2009, 01:16 PM
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Default RE: Kangaroo formers?

thanks guys, comp arf does not offer the replacement formers on there site, I will just make some templates as Lior advised and cut them myself. I think I will move the gear back as well to help with landing though I never had any trouble with my Rookie II.

Kevin
Old 12-16-2009, 08:48 PM
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Default RE: Kangaroo formers?

I have a kangaroo at home. I can trace formers later this week . they are a pink foam I think.
Old 12-16-2009, 10:04 PM
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Default RE: Kangaroo formers?

that would be great, I'm currently fixing the glass damage. I will be using a honeycomb composite material for the main bulkheads and ply for the nose gear bulkhead. any info on cg would be appreciated as well.

thanks Kevin
Old 12-16-2009, 10:41 PM
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Default RE: Kangaroo formers?

You can use strips of epoxy plasticine on the fuselage section you want to put a former..just half of the fuse will do and later you can draw on paper the other side by simmetry.

also a good idea is connecting the nose gear bulkhead with the center one , helping to distribute this bulkhead stress on a wider area.

Old 12-16-2009, 11:13 PM
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Default RE: Kangaroo formers?

good suggestion, the nose gear will be tied to the aft bulkheads by longerons, these will serve as the basis for the fuel cell mounts as well.

Kevin

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