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Guiberson A-1020
Guiberson-Diesel-Radial
A T-1020 variant on display

The Guiberson A-1020 is a four-stroke diesel radial engine developed for use in aircraft and tanks.

Design and development[]

Development of the Guiberson diesel engine started in the 1930s with the A-918 and A-980 which was first flown in 1931. It is a single-row direct drive nine cylinder four cycle engine.[2][3]

Operational history[]

Production A-1020's and T-1020's were designed and sold by Guiberson and produced by Buda Engine Co.[2][4]

Variants[]

Guiberson A-980
210 hp - the initial development model for use on aircraft.[2]
Guiberson A-1020
340 hp - production engines for aircraft use.[2]
Guiberson T-1020
250 hp for use in light tanks such as the M5 Stuart [2][5]

Applications[]

Waco 10 - A-980[2]
Stinson Reliant - A-1020[2]
M5 Stuart light tank - T-1020[2]

Survivors[]

  • The EAA AirVenture Museum in Oshkosh, Wisconsin has a T-1020 on display.
  • There is a T-1020 on display at the New England Air Museum, Bradley International Airport, Windsor Locks, CT.[6]
  • Mustang Airport in Galt, California has three running T-1020's on display.
  • There is a Guiberson T-1020 on display at the Western North Carolina Air Museum in Hendersonsonville, NC

Specifications (A-1020)[]

Data from [2] Engine History.org

General characteristics

  • Type: 9-cyl air-cooled radial diesel piston engine
  • Bore: 5.125 in (130.18 mm)
  • Stroke: 5.5 in (139.70 mm)
  • Displacement: 1,021 cu in (16.73 l)
  • Dry weight: 650 lb (294.84 kg)
  • Designer: F. A. Thaheld

Performance

  • Power output: 340 hp (253.54 kW)
  • Compression ratio: 15:1
  • Specific fuel consumption: .42 lb/hp/hr (0.14 kg/kW/hr)
  • Oil consumption: 0.33 US gall/hr (1.25 l/hr
  • Power-to-weight ratio: 0.52 hp/lb (0.85 kW/kg)

See also[]

  • Packard DR-980

References[]

  1. "Lightplane Diesel". July 1946. 
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 "Engine History". http://www.enginehistory.org/Diesels/. Retrieved 20 January 2012. 
  3. Paul Howard Wilkinson. Aircraft Diesels. 
  4. The Aeroplane, Volume 59. 
  5. Arthur William Judge. Aircraft engines, Volume 2. 
  6. http://neam.org/index.php?option=com_content&view=article&layout=edit&id=1123 "Guiberson T-1020 Diesel Engine"
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