[FPSPACE] Echo 1/1A vs. Echo 2 fabric

[Geoff Richards]

As far as I can find, Echo 1 was made from a single layer of mylar with an
Al coating, while Echo 2 had a triple layer of mylar with the Al between
each pair of layers.

Geoff

2009/9/29 <mattwriter at aol.com>

>
> Were there any differences? One source says the aluminum was on the
> inside for Echo 2 vs the outside on Echo 1, but other sources dont' confirm
> that. Also, was the thickness any different?
>
> Thanks
>
> Mtt Bille
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://www.friends-partners.org/pipermail/fpspace/attachments/20091003/72a36ef6/attachment.html