
The first prototype Westland Whirlwind in the RAE wind tunnel Farnborough. First flight 11 October 1938.
SOURCEBah, real world! Booooring!
Launching trapeze for a carrier/CAM ship/airship?
Crimson Skies had a British submarine that could launch fighters. Having them on a trapeze could probably speed things up somewhat.
Upper portion of a Brit Mistel?
Parasite fighter on a Lanc/Lincoln/Washington?