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Old Nov 22, 2012, 12:44 AM
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Dirty Dee's Avatar
United States, IL, Northbrook
Joined Sep 2011
553 Posts
what type of wood was used for the ribs and formers?
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Old Nov 22, 2012, 07:21 AM
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Gamalier's Avatar
USA, NC, Hope Mills
Joined Jan 2010
256 Posts
Quote:
Originally Posted by Dirty Dee View Post
what type of wood was used for the ribs and formers?
In post #1 says 2mm balsa covering, I guess everything else is ply and given the fact or normal kit building I will say 3mm thick.
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Old Nov 26, 2012, 02:07 PM
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pekos's Avatar
Czech Republic, Hlavní město Praha, Prague
Joined Sep 2012
95 Posts
hi, after some time bring new fotos from build L-39.
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Old Nov 26, 2012, 04:18 PM
Build'em and Crash'em
Ken Lapointe's Avatar
Narragansett, RI
Joined Oct 2000
3,252 Posts
Looks great, love the internal shot
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Old Nov 27, 2012, 04:42 AM
smithy
jumpy's Avatar
Cornwall, UK
Joined Dec 2004
524 Posts
Great work, love photo 5 great shot. You cant beat a good balsa/ply build in my opinion.

Phil
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Old Nov 27, 2012, 07:35 AM
Da' Cajun
Boogie_'s Avatar
Lake Charles, Louisiana
Joined Jun 2009
2,898 Posts
Great wood work.
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Old Nov 27, 2012, 09:43 AM
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Gamalier's Avatar
USA, NC, Hope Mills
Joined Jan 2010
256 Posts
Pekos everytime I look at the pictures I get more amazed of the quality, design and plain good looks of your work! AMAZING!!!
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Old Dec 02, 2012, 01:28 PM
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pekos's Avatar
Czech Republic, Hlavní město Praha, Prague
Joined Sep 2012
95 Posts
hi pilots

today bring new pictures cad-work of second version L-39. Front, fuel tank and intake are from fiberglass. Plane is about 5 percent less, but designed specifically for
120mm edf. I hope for lighter weight and easier to build. Airfoil is MH32
Petr
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Old Dec 02, 2012, 01:44 PM
Build'em and Crash'em
Ken Lapointe's Avatar
Narragansett, RI
Joined Oct 2000
3,252 Posts
Pekos,
One thing I learned from building my L-39 is that there is a bit of a weak spot on the fuse right ahead of the wing on the fuselage sides. If you land and hit the nose wheel up hard all that stress pulls along the side and bottom of fuse. Lots of tension in the sides and bottom, nothing on top to help in compression so it becomes a bit of a week point. Just some lite ply from the wing forward a few inches along the sides would really help.
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Old Dec 03, 2012, 06:34 AM
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Australia
Joined Nov 2011
136 Posts
Pekos,

Looks great. The pictures of progress are amazing. It's going to be a great looking aircraft. Keep up the great build

Kevc
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Old Dec 10, 2012, 01:52 PM
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pekos's Avatar
Czech Republic, Hlavní město Praha, Prague
Joined Sep 2012
95 Posts
hi pilots,
today bring new foto of my beauty
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Last edited by pekos; Dec 10, 2012 at 01:57 PM.
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Old Dec 10, 2012, 02:37 PM
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Gamalier's Avatar
USA, NC, Hope Mills
Joined Jan 2010
256 Posts
Quote:
Originally Posted by pekos View Post
hi pilots,
today bring new foto of my beauty
You couldn't say it better! It's a beauty!! Can't wait for the initial flight reports. Best of luck in the maiden.
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Old Dec 10, 2012, 05:03 PM
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United States, VA, Herndon
Joined May 2007
1,015 Posts
Fantastic!
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Old Dec 10, 2012, 05:54 PM
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St.Catharines, Ontario
Joined Jan 2009
10,377 Posts
what a beast. love it.
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Old Dec 10, 2012, 06:16 PM
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SergeyK's Avatar
United States, NY, Kings
Joined Feb 2006
892 Posts
I would still like to hear a little bit about your Sketchup workflow.
I guess my question got buried under well-deserved raves.

Sergey.
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