Date: 12/31/1969 Views: 6007
Date: 04/28/2004 Views: 2310
Date: 06/28/2009 Views: 3275
Date: 08/23/2023 Views: 210320
Aluminum flanges were added to the plenums so that the plenums would not need to be fastened directly to the hot heads. Later in the build, the pop rivets were replaced with machine screws so that the front 2/3 of the plenum could be easily removed