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Old Feb 09, 2013, 11:12 PM
JWs are Shear Fun!
Aerogance's Avatar
USA
Joined Sep 2008
2,682 Posts
Bottom down on the wing beds. Cores are cut in one pass on CNC wire with bottom down.
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Old Feb 11, 2013, 11:51 AM
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jonoashton's Avatar
New Zealand, Wellington, Porirua
Joined May 2006
585 Posts
I bottom hinged the ailerons with silicon. It appears to work well and I maidened it yesterday in 27 knots successfully. Just front side at this stage but hope to get to a DS ridge in the next couple of weeks.
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Old Feb 11, 2013, 12:02 PM
PB of 733kph
ALEX HEWSON's Avatar
Christchurch, New Zealand
Joined Jul 2005
5,485 Posts
Cool, Jono. The old fuse lives!

I hope to see 150+ from Wellington way this year =)
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Old Feb 11, 2013, 12:22 PM
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jonoashton's Avatar
New Zealand, Wellington, Porirua
Joined May 2006
585 Posts
Quote:
Originally Posted by ALEX HEWSON View Post
Cool, Jono. The old fuse lives!

I hope to see 150+ from Wellington way this year =)
Yep. Same fuse just a new wing. I am hoping to get over 150 this year as well. Perhaps I will have to come down south and visit your slopes again.
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Old Feb 11, 2013, 01:35 PM
PB of 733kph
ALEX HEWSON's Avatar
Christchurch, New Zealand
Joined Jul 2005
5,485 Posts
You are always welcome down here
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Old Feb 12, 2013, 12:30 PM
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ian murdock's Avatar
United States, NV, Carson City
Joined Jan 2007
631 Posts
Hi guys, been doing a little work on the JW, I was looking at the fin and was wondering what thickness of balsa do you guys use?
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Old Feb 12, 2013, 01:14 PM
Objects in mirror are losing
1000MPH's Avatar
USA, NV, Reno
Joined May 2003
3,586 Posts
I laminate 2 3/32" pieces together and use 1/4" -1/2" spruce or poplar, etc. leading edge. Or you can bag if you wanna...or use coroplast
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Old Feb 12, 2013, 01:42 PM
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jonoashton's Avatar
New Zealand, Wellington, Porirua
Joined May 2006
585 Posts
Quote:
Originally Posted by ian murdock View Post
Hi guys, been doing a little work on the JW, I was looking at the fin and was wondering what thickness of balsa do you guys use?
Ian

I used 1 layer of 6 oz glass, 2mm balsa, 6 oz carbon, 2mm balsa and then 6 oz glass like a laminate type affair. I bagged it all together with a shaped leading and trailing edge. I DS’ed it yesterday and gave it a good crash test and it was good and strong enough. I suspect that it was an over kill but we get plenty of wind here so weight was not a problem

Jono
JW maiden DS flight Pukerua Bay (0 min 48 sec)
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