[FPSPACE] Excalibur Almaz Update

[DavidLRickman at aol.com]

In a message dated 8/17/2009 9:25:02 P.M. Eastern Daylight Time,  
jbcharle at gmail.com writes:

Kudos to Excalibur Almaz for not being afraid of a hatch in the heat  
shield. This has been amply demonstrated on Gemini/MOL, TKS and of course  every 
shuttle with 5 (I think?) heat shield  doors. 



It is a brilliant design using the thermal expansion differentials  of 
Titanium (sleeve) and steel (ring) to increase the hatch  seal's integrity as 
the radiant outside temperature increases. While the  Almaz design was gener
ally ahead of its time, to Chelomei this particular hatch  design was the 
"highlight of Almaz".
 
Best Regards,
 
David L. Rickman
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