Moorabbin Air Museum

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Pratt and Whitney R2000 Twin Wasp

Pratt and Whitney R2000 Twin WaspClick on Image for larger version
Image © Jason Burgess 2014
From Wikipedia, the free encyclopedia

The R-2000 was an enlarged version of the Pratt & Whitney R-1830 Twin Wasp, with focus on reducing the manufacturing costs and fuel requirements. The bore was increased to 5.75 inch, while it still retained the 5.5 inch stroke. This brought displacement up to 2,000 in³. There were a number of detail changes from the R-1830, such as front-mounted instead of rear-mounted magnetos, plain bearings for the crankshaft rather than roller bearings, and 87 octane fuel (specified because there were fears wartime supplies of 100 octane might fall short, but those fears were groundless). The R-2000 produced 1,300 hp @ 2,700 rpm with 87 octane, 1,350 hp with 100 octane and 1,450 hp @ 2,800 rpm with 100/130-grade fuel.






Back
TECHNICAL DATA


Cylinders

Bore x Stroke

Swept Volume

Maximum Power

Weight

Carburettor Fuel System



Nine cylinder single row supercharged air cooled 
radial engine
5.75 x 5.75 inch                            (146x146 mm)

1,344 cubic inches                       (22 litres)

600 HP  @ 2,250 RPM

930 lbs                                            (422 kgs)

With Centrifugal Supercharger
 © 2022 Australian Aircraft Restoration Group. All Rights Reserved.
  • Home
  • News
  • History
  • Birthdays & Functions
  • Events
  • membership
  • Museum Collection
    • ENGINES >
      • ADC Cirrus II
      • ARMSTRONG SIDDELEY >
        • Armstrong Siddeley Genet
        • Armstrong Siddeley Python
        • Armstrong Siddeley Double Mamba
        • Armstrong Siddeley Cheetah
      • Bristol Hercules
      • J.A.P. V4 Engine (1910)
      • Junkers Jumo
      • Kelly and Lewis V8 (1915)
      • PRATT AND WHITNEY >
        • Pratt & Whitney R1340 Wasp
        • Pratt & Whitney R1830 Twin Wasp
        • Pratt & Whitney R2000 Twin Wasp
        • Microturbo Cougar 022 Turbojet
      • ROLLS ROYCE >
        • Rolls Royce Avon
        • Rolls Royce Dart
        • Rolls Royce Derwent
        • Rolls Royce Kestrel
        • Rolls Royce Merlin
        • Rolls Royce Nene
      • SNECMA Atar
      • Warner Scarab
    • COMMONWEALTH AIRCRAFT CORPORATION >
      • CAC Avon Sabre A94-910
      • CAC Bell Kiowa Army Helicopter
      • CAC Boomerang A46-25
      • CAC CA31 Trainer
      • CAC Ceres VH-WOT
      • CAC Macchi MB326H A7-054
      • CAC P-51D Mustang
      • CAC Wackett A3-22
      • CAC Pazmany PL4 VH-XAP
      • CAC Winjeel A85-418
      • CAC Wirraway A20-10
    • D.A.P / G.A.F. AIRCRAFT >
      • DAP Mk21 Beaufighter
      • DAP Beaufort
      • GAF Canberra
      • GAF Jindivik
      • GAF Lincoln
      • GAF Mirage
      • GAF N22 Nomad
    • Naval / Military >
      • AACA 10 Wamira
      • B.E. 2A (Wings Only)
      • Bristol Sycamore
      • Consolidated PBY Catalina
      • Curtiss P-40 Kittyhawk
      • De Havilland DH82A Tiger Moth
      • De Havilland DH115 Vampire
      • De Havilland Sea Venom
      • Fairey Firefly
      • Fairey Gannet
      • General Dynamics F-111C
      • Gloster Meteor
      • Miles Messenger
      • NZ Aerospace Industries CT-4
      • Westland Wessex
    • Commercial Aircraft >
      • Boeing B737-200
      • Bristol Freighter
      • de Havilland DH104 Dove
      • Douglas DC-2
      • Douglas DC-3
      • Douglas DC-9 Flight Simulator
      • Vickers Viscount
    • Other Aircraft >
      • Ansett Link Trainer
      • Auster Aiglet
      • BA Swallow II
      • BAE Systems Kingfisher
      • Cavelier
      • Cessna 310
      • de Havilland Gipsy Moth
      • Dauphin 2 Helicopter
      • Desoutter II
      • Evans VP Volksplane
      • Flying Flea
      • Link Trainer
      • McKenna Heath Parasol
      • Percival Proctor
      • Periera Osprey 2
      • Sanders Veenstra Thermite
      • Southern Cross SC-1
      • ULA Wombat
      • Victa AirTourer 100
      • Yeoman Cropmaster
    • Gliders >
      • Bensen Gyrocopter
      • Duigan Replica >
        • The Duigan Family
        • Ready Models
        • The Duigan History
        • The Duigan History 2
        • The Duigan History 3
        • The Duigan History 4
      • Heron Primary Glider
      • Koltai Ornithopter
      • Skycraft Scout
  • ONLINE SHOP
    • **New**
    • Airplane Toys >
      • Airplane Toys
      • Gliders & Kites
      • Soft Toys
      • R/C Aircraft
    • Apparel
    • MODELS >
      • Starter Model Kits
      • Model Kits
      • Assembled Models
      • Metal Earth Model Kits
    • Building Bricks >
      • Airfix Quick Build
      • Sluban Building Bricks
      • Other Building Bricks
    • Souvenirs >
      • ANAM Souvenirs
      • RAAF Centenary Souvenirs
      • Pencil Sharpeners
      • Bumper Stickers
      • Coffee Mugs
      • Patches
      • Badges
      • Key Rings
      • Posters
    • Childrens Costumes
    • Books >
      • New Books
      • Pre Loved Books
    • Tins
    • Raffle Tickets
    • Gift Passes
    • **Sale**
  • Supporting the Museum
    • Our Supporters
  • Getting There
  • Contact the Museum