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R-985 WASP JR. ENGINE

R-985 Wasp Jr.

A smaller radial piston engine, the Wasp Jr., followed the Hornet into production.

Rated at 300 horsepower, it was designed for light transports, trainers, sport aircraft and helicopters. More than 39,000 engines were produced between 1929 and 1953.

Specs

  • Displacement: 985 cubic inches
  • Revolutions per minute: 2,000-2,300
  • Weight: 560-682 pounds
  • First run: 1929
  • First flight: 1930
  • Production years: 1929-1953
  • Engines produced: 39,037

Airplanes Powered

  • Airspeed Oxford V
  • Avion Max Hoiste MH-1521
  • Avro Anson V
  • Barkley Grow T8P-1
  • Beech F-2
  • Beech AT-7
  • Beech AT-11 (SNB)
  • Beech C-43 (GB)
  • Beech C-45 (JRB)
  • Beech C-45-A-H
  • Beech D17S
  • Beech 18S Series
  • Bell Model 42
  • Bell Model 200 (XV-3)
  • Bellanca 300W
  • Bellanca 400W
  • Bendix Model J
  • B/J OJ-2
  • Boeing XBT-17
  • Bristol Mk171
  • Canadian Fairchild F11X
  • Beech CQ-3
  • Consolidated BT-7
  • Consolidated Y1PT12
  • Consolidated Model 21-C
  • DeHavilland L-20, DHC-2
  • Douglas Dolphin 3
  • Douglas OA-4
  • Douglas YOA-5
  • Douglas C-26
  • Fairchild Sekani
  • Fairchild Model 51A
  • Fleetwings BT-12
  • Fletcher PO-11
  • Fletcher YCQ-1A
  • Grumman OA-9
  • Grumman OA-13 (JRF)
  • Grumman XJ3F-1
  • Howard UC-70
  • Howard DGA-15
  • Koolhoven FK-50
  • Koolhoven FK-51
  • Lockheed UC-36,37,40
  • Lockheed JO-1,2,3
  • Lockheed XR20-1
  • Lockheed R30-2
  • Lockheed Model 12
  • Lockheed Orion 2D
  • McDonnell XHJH-1
  • N.A.F. OS2N
  • North American BT-14
  • Piasecki HUP-2
  • Piasecki H-25
  • Platt Le Page XR-1
  • Ryan YO-51
  • Seversky BT-8
  • Sikorsky H-5F
  • Sikorsky R-5 (HO2S,3S)
  • Sikorsky C-28
  • Sikorsky S-39
  • Sikorsky S-51
  • Spartan UC-71
  • Spartan Model C5-301
  • Spartan Model 7W
  • Stearman BT-5
  • Stearman Model 4D
  • Stearman A75 N1
  • Stinson L-12A
  • Stinson UC-81
  • Stinson W
  • Vidan Research XBT-16
  • Vought OS2U
  • Waco UC-72 (SRE)
  • Waco S3HD