I've used tyvec for building kites.  It's strong but it's almost a thck paper 
quality. I don't know if I would trust any plane with it. 

You can buy it at you home building supply house. It's used to wrap your house 
, I think as a vapor barrier

Sent from my iPhone

On Dec 21, 2012, at 11:45 PM, "WxBY" <jtw...@aol.com> wrote:

> Does anyone have any info on the possibility of using ?Tyvec? as an aircraft 
> covering,  doped and/or otherwise?  If you?re wondering what we?re talkin? 
> about, go to your local snail-mail HQ [U.S.Post Office] and pick-up several 
> of their freeby larger envelopes.  Voila!  ?Tyvec? in-hand.  Tough! Light.  
> Still conducting multiple tests as to flammability, sunlight degradation, 
> compatibility with various doping agents, etc.
> 
> Likewise.  Sorta back-to-basics:  use of bamboo for aircraft structures?  
> Super-strong and super-light!  I know bamboo was used in the earliest days of 
> aviation, especially in the areas of the world where there was more of the 
> reed available than there was metal available.  Unfortunately, there were 
> very few specs written down at the time ? particularly as to criteria/testing 
> of the stuff.  Anyone got any leads and/or suggestions?
> 
> WxBY ? ?Crusader Rabbit? ? Fresno
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