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                           Tailwind-List Digest Archive
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                     Total Messages Posted Sun 05/01/05:2
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Today's Message Index:
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     1. 06:33 AM - Stub spar  (RJ)
     2. 11:12 AM - Re: Stub spar  (Fred Weaver)
 
 
 
________________________________  Message 1  _____________________________________


Time: 06:33:52 AM PST US
  s=s1024; d=yahoo.com;
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;
From: RJ <gatsby8898@yahoo.com>
Subject: Tailwind-List: Stub spar

--> Tailwind-List message posted by: RJ <gatsby8898@yahoo.com>

Brian:
1.Place fuselage in level flight position
2.Hang weight from high end of spar - if spar is bent
down invert fuselage in level flight position
3.Weight should be 3 or 4 inches above shop floor
4.Make a simple see-saw device, a couple feet long, on
floor with high side under weight
5.Vertically behind other end of see-saw mark a scale
of arbitrary
marks on white cardboard
6.Heat spar at weld - watch see-saw move up scale as
heat is applied, down scale as it is slowly removed
7.This device will show how various amounts of heat
and/or weight will affect spar
8.May have to slide an extension over stub spar to
make heat more effective
RJ
9. White cardboard is so can see scale with goggles on


________________________________  Message 2  _____________________________________


Time: 11:12:07 AM PST US
From: "Fred Weaver" <Mytyweav@earthlink.net>
Subject: Re: Tailwind-List: Stub spar

--> Tailwind-List message posted by: "Fred Weaver" <Mytyweav@earthlink.net>

Good stuff RJ!

----- Original Message ----- 
From: "RJ" <gatsby8898@yahoo.com>
Subject: Tailwind-List: Stub spar


> --> Tailwind-List message posted by: RJ <gatsby8898@yahoo.com>
> 
> Brian:
> 1.Place fuselage in level flight position
> 2.Hang weight from high end of spar - if spar is bent
> down invert fuselage in level flight position
> 3.Weight should be 3 or 4 inches above shop floor
> 4.Make a simple see-saw device, a couple feet long, on
> floor with high side under weight
> 5.Vertically behind other end of see-saw mark a scale
> of arbitrary
> marks on white cardboard
> 6.Heat spar at weld - watch see-saw move up scale as
> heat is applied, down scale as it is slowly removed
> 7.This device will show how various amounts of heat
> and/or weight will affect spar
> 8.May have to slide an extension over stub spar to
> make heat more effective
> RJ
> 9. White cardboard is so can see scale with goggles on
> 
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