Mace-Trefethen Seamaster

Seamaster
Role Racing aircraft
National origin United States
Designer Harvey Mace, Al Trefethen, Tom Trefethen
Introduction 1960s
Developed from PAR Special

The Mace-Trefethen Seamaster is an American single seat seaplane racer.

Design and development

The Seamaster was built by Alfred and Thomas Trefethen and Harvey Mace, using components from the PAR Special pusher monoplane. It is a single place, mid-wing seaplane with a Y tail layout and a single 90 lb (41 kg) fuselage-mounted float. The pusher propeller configuration of the PAR Special was modified to that of a conventional tractor layout.[1][2][3]

Specifications (Seamaster)

General characteristics

  • Crew: 1
  • Length: 25 ft (7.6 m)
  • Wingspan: 20 ft (6.1 m)
  • Wing area: 66 sq ft (6.1 m2)
  • Empty weight: 728 lb (330 kg)
  • Powerplant: 1 × Continental O-200 Packet 60 , 90 hp (67 kW)

References

  1. ^ "Seamaster". Air Trails: 40. Summer 1971.
  2. ^ Fortier, Rénald (November 27, 2017). "Do you remember Joan Trefethen? I do, I do!, Part 1". ingeniumcanada.org. Ingenium Channel. Retrieved May 25, 2025.
  3. ^ "Mace-Trefethen "Seamaster"". Sport Aviation. 17 (1). Hales Corner, WI: Experimental Aircraft Associaton, Inc: 32. January 1968.
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