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Old Nov 11, 2012, 02:10 AM
Balsa Lover
gupi's Avatar
Vienna, Austria
Joined Jul 2010
856 Posts
Steve,

I plan to use a 2s 600mAh battery which will probably add 38 grams. Let's see if i can make it without additional weight (but it sounds like that will be difficult).

Yours, gupi
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Old Nov 11, 2012, 09:24 AM
UMs & parkflyers... for now.
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United States, VA, Herndon
Joined Apr 2012
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Though I think it may be a Hurricane, I thought you might enjoy this.
David
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Old Nov 12, 2012, 12:32 AM
Balsa Lover
gupi's Avatar
Vienna, Austria
Joined Jul 2010
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Quote:
Originally Posted by davidterrell80 View Post
Though I think it may be a Hurricane, I thought you might enjoy this.
David
Thanks! Yes i think it's not a Spitfire.
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Old Nov 12, 2012, 12:50 AM
Balsa Lover
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Vienna, Austria
Joined Jul 2010
856 Posts
More work on the fuselage: i started with slimming down the keels and formers with my mini-tool. After that the fuse got down to 8 grams (from 14 grams). Nice!

I added some of the L pieces and first stringers, too.
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Old Nov 12, 2012, 03:45 AM
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Nice work, I have an old guillows stearman all framed up Ive been thinking about making it rc. Do you know what are you going to cover it with?
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Old Nov 12, 2012, 05:06 AM
Balsa Lover
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Vienna, Austria
Joined Jul 2010
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I'll use classic tissue and dope. I've not decided yet how i will color it though.
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Old Nov 12, 2012, 07:14 AM
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USA, FL, Tampa
Joined Jul 2002
4,911 Posts
Nice work! You really removed a lot of unnecessary weight. One suggestion, add a 1/16 Strip across the formers. This will give it some crush resistance when you handle the model.
Glenn
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Old Nov 13, 2012, 12:46 AM
Balsa Lover
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Vienna, Austria
Joined Jul 2010
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I've slimmed down the tail surfaces to 4 grams (loosing 1 gram).
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Old Nov 14, 2012, 09:11 AM
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United Kingdom, England, East Riding of Yorkshire
Joined Jan 2011
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Hi Gupi – your electrics are virtually the same as mine, so hopefully we are thinking along the right lines – great work so far!
Best
Charles
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Old Nov 14, 2012, 10:23 AM
wood is good
loNslo's Avatar
United States, CA, Marina Del Rey
Joined Jun 2012
1,358 Posts
I'm afraid you're going to have a lot of trouble where you've weakened the tail feathers by making all those cross-grain "pillars" where the ribs meet the frames. Had you lightened it before assembly, the ribs could have had 100% of the grain running the long way.
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Old Nov 14, 2012, 10:32 AM
Balsadustus Producerus
Escondido, CA USA
Joined Jan 2001
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A quick soaking with thin CA glue would fix that
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Old Nov 14, 2012, 12:16 PM
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USA, FL, Tampa
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Quote:
Originally Posted by Balsabird View Post
A quick soaking with thin CA glue would fix that


Thus negating all the weight saved by the slimming down process.
I would think laminated outlines would be the lightest and strongest solution.

Glenn
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Old Nov 14, 2012, 01:33 PM
wood is good
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United States, CA, Marina Del Rey
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Quote:
Originally Posted by balsabird View Post
a quick soaking with thin ca glue would fix that
Ha!
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Old Nov 14, 2012, 02:24 PM
Balsa Lover
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Vienna, Austria
Joined Jul 2010
856 Posts
Guys, i think you're right. And yes, laminating the outlines would be best.

Nevertheless i'm a bit lazy so i might just take what i've got now and see how it works out. In my experience the covering adds enough stability even if the grain runs suboptimal in planes this small. I wouldn't trust it in larger planes.

I'll think about it a bit more.
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Old Nov 20, 2012, 01:17 AM
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China, Guangdong, Shenzhen
Joined Feb 2012
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gupi,

You have a nice touch with the grinder, maybe you were a dentist in a previous life! I have one of these kits collecting dust, got me thinking about it now.

conrad
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