A late 1940s tethered hydroplane “FIREFLY – IV”, Westbury Atom motor.

All aluminium hull, with later Westbury Atom motor.

Length: 101 cm.

Width: 46 cm.

This hydroplane was built by Harold Puntis of Southampton. Harold Puntis worked in the aircraft industry and used aircraft technology such as flush riveting and pressed aluminium frames to build this boat. All Puntis’s boats were named Firefly, this was the last boat he built.