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Old Nov 03, 2008, 08:14 PM
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San Jose, CA
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As you know, my Manta wing tip is solid balsa. I simply cover the tip with ~1.5 oz fiber glass or Kevlar (with epoxy). In additional, a few drop of thin CA around the throwing blade will make the balsa last even longer.

Geode
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Old Nov 04, 2008, 10:19 AM
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My solution is almost the same; laminating 25 glass with CA around the peg.
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Last edited by Smash; Nov 04, 2008 at 11:09 AM.
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Old Nov 04, 2008, 11:25 AM
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Joined Nov 2003
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Thanks,
I ended up putting some CF tow around the blade - probably overkill. I almost have the wing done and am about to start the fuse. The finished weight of the wing should be about 5.5 - 5.75 oz.
Ray
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Old Nov 04, 2008, 12:05 PM
Yes..ok..maybe..lol.....
Tucson Avra Valley, Arizona, United States
Joined Jul 2004
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Ray...can't wait to see it!!
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Old Nov 04, 2008, 01:06 PM
Look out! The lever!
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United States, AZ, Peoria
Joined Feb 2005
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Hope you have this flying for the next contest, Ray!

-bob
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Old Nov 04, 2008, 02:15 PM
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Hi Dave and Bob,
I hope so - just depends how much time I get to spend on it.
Ray
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Old Dec 15, 2008, 01:33 PM
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Hi,

I have started building another Manta, strictly alone without any help

I proceed very slowly with the building I have started around october but the wing has finished now. Good work needs much time, for bad work needs more

The wing is now 125 gr but the FG reinforcements from the wing tip and the middle is missing, and the launch peg is missing too, so it will stops around 160 gr with covering, but it is ok for me, if I look that the previous wing was 230gr. If I start again I would do a lot of thing in different way.

Off:
For 2009 we would like to organise an F3K competition in Hungary
I have started translate the F3K rules to hungarian, but there is an expression wich I cannot understand:
"Unintentional jettisoning"
Could any one explain what does it mean, because I don't find this any dictionary?

Cheers,
Vince
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Old Dec 15, 2008, 01:46 PM
Make Flying Fun
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United States, MD, Lutherville-Timonium
Joined May 2003
1,463 Posts
Parts falling off!

unintentional = accidental, not on purpose
jettisoning = flying off, falling off
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Last edited by KevinSharbonda; Dec 15, 2008 at 01:53 PM.
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Old Dec 15, 2008, 10:09 PM
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Thank you very much!
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Old Dec 16, 2008, 10:32 AM
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San Jose, CA
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Reducing weight from 230 grams to 160 grams That's quite a achievement.

Where are the weight saving came from?

Geode
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Old Dec 17, 2008, 12:50 PM
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Well,

On the previous wing was used carbon reinforcements both on the main spar and the wingtips, but on this I will use only FG on the middel of the wing at the joint of the half wings and of course at the wingtip where the launching peg will be.

So that's the cause of the weight difference.

Vince
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Old Dec 19, 2008, 07:58 AM
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Joined Nov 2005
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Hi!

I've made my first molded fuse for the Manta!

Check out the pictures if You are interested:

http://endernr.picturepush.com/album...Manta-DLG.html
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Old Dec 20, 2008, 09:02 AM
No conspiracy in theory
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Oak Ridge, Tenn.
Joined Aug 2004
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Smash,
Nice work!
Mike.
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Old Dec 21, 2008, 10:49 AM
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Thanks Mike!

I've made the second fuse and it's 22 gramms Photos coming soon!
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Old Dec 21, 2008, 03:35 PM
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She's ready:
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