CFE - 10/1/2008 7:33 PMThe original Atlas structural concept is still in use in the Centaur upper stage. Shows that you can't keep a good idea down, even if it was abandoned for the Atlas V first stage.
tankmodeler - 14/1/2008 9:20 AMQuoteCFE - 10/1/2008 7:33 PMThe original Atlas structural concept is still in use in the Centaur upper stage. Shows that you can't keep a good idea down, even if it was abandoned for the Atlas V first stage.Yeah, I never did understand why the Atlas V went to the stiffened skin design. The ballon worked very, very well for 40 years. Any one know why?Paul