LSRA/Alfa Romeo airboat - photos
The Laboratorio Sperimentale Regia Aeronautica/Alfa Romeo was an airboat designed for the 414-kilometer Raid Pavia-Venezia speedboat race. The watercraft was powered by a 7-cylinder Alfa Romeo Lynx engine with a two-bladed metal propeller.
https://diqn32j8nouaz.cloudfront.net...eo_airboat.jpg
More:
https://oldmachinepress.com/2016/01/24/
Previously:
https://www.homemadetools.net/forum/...100#post125793
https://www.homemadetools.net/forum/...4574#post80178
https://www.homemadetools.net/forum/...098#post134316