UK catamaran rocket launch vessel??

[PMN1]

In Rebuilding the Royal navy, its author D K Brown mentions a fellow naval architect called Eric Tupper being part of a team that was developing a catamaran to launch space vehicles.

This appears to have been at the time the Type 82 destroyer was being designed so this makes it the 60’s.

Does anyone have any information on this design?

 

[TsrJoe]

Probably unrelated, the wave tank at Denny, Dumbarton undertook tests of a twin hull catamaran in 1961, seems to be nothing else noted in their archive other than images posted

 

[publiusr]

Launch and land both perhaps…just remove gratings