[TheForge] shuttle

[Jerry Frost]

Yeah, the original uninsulated tanks picked up several tons of ice that 
broke off during launch which they anticipated might damage the tiles, maybe 
fatally.

There have been a couple other environmentally "friendly" changes imposed on 
the shuttle. The original silicone calk-like "glue" used to hold the tiles 
in place was deemed enviromentally unsafe and was changed. Just because the 
original "glue" tended to survive strikes from falling ice unlike the new 
stuff which won't stand up to what is essentially urethane foam hitting it 
is no reason to change either. <sigh>

Perhaps I should just go plant my crops with a pointy stick and change the 
leaves on my cave floor.

Frosty
------------------------
If it ain't forged
it ain't real.
Wrought iron is.
The FrostWorks

Meadow Lakes, AK.


----- Original Message ----- 
From: "Blacksmith" <BLCKSMTH at WCnet.org>
To: "Sponsored by ABANA" <theforge at mailman.qth.net>
Sent: Sunday, July 31, 2005 2:33 PM
Subject: Re: [TheForge] shuttle


>    I think the first tanks did not have insulation on the outside at all.
> Then the foam was made using freon and that worked OK. Then
> someone decided that freon was a bad thing and the present foam
> is freon free but doesn't hold together very well.
>    Let's see - foam from freon is safe - foam without freon unsafe.
> Looks like a no brainer to me!
>
> Bob Willman
> The Eagle's Anvil
> Bowling Green, Ohio
> WB8NQW
>
> ----- Original Message ----- 
> From: <schade at acegroup.cc>
> To: "Sponsored by ABANA" <theforge at mailman.qth.net>
> Sent: Sunday, July 31, 2005 17:52
> Subject: [TheForge] shuttle
>
>
>>
>> maybe they should put the insulation on the inside of that big tank.
>>
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