Smuggler

Here is the original sev, of around late 1960's, powered by a 45hp 1500cc VW
pancake air cooled engine driving a 48" propeller and a 42" lift fan.
The hull was 1/8 plywood over a wood frame, glassed on the outside.

A view of the drives, craft on its side. Drives were vee belt on a bolt together aluminum tube frame. Fan and propeller are fiberglass over balsa wood construction.

This early 70's sev uses a single cylinder JLO L230 15hp at 6000rpm engine driving a 48" propeller and 30" lift fan of balsa cored fiberglass construction. The hull is wood frame with fiberglass skins attached with epoxy. Metal parts were brazed together with a "Solidox" torch (definitely not recommended.).
Inflatable Sev


This early 70's inflatable craft drives a 32" integrated 4 blade fiberglass over balsa lift/thrust rotor in a duct. Hypalon is used for the inflated structure, with an extruded aluminum angle bolted frame to add stiffness. A 17hp, single cylinder JLO L270, 17hp at 6000rpm, is the power
Folding Sev

This compact sev, the folding mechanism shown, could plane out an adult in deep water, using a 4 1/2hp Briggs and Stratton vertical shaft engine, (That's not a typo, actually the engine put out less than 4 hp) yet fold to fit in a station wagon or pickup.