Guiberson A-1020
| Guiberson A-1020 | |
|---|---|
 | |
| A T-1020 variant on display | |
| Type | Diesel radial engine |
| National origin | United States of America |
| Manufacturer | Guiberson Diesel Engine Company |
| Designed by | Fred A. Thaheld[1] |
| First run | January 1940[2] |
| Major applications | Stinson Reliant |
| Developed from | Guiberson A-980 |
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 M-3 Stuart [2][5]
Applications
- Waco 10 - A-980[2]
- Stinson Reliant - A-1020[2]
- M-3 Stuart light tank - T-1020[2]
Survivors
A Guiberson A-1020 Diesel radial engine at the Hiller Aviation Museum - San Carlos, California
- 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
- Jack Heemsoth, of Marshall, MI owns a running T-1020 and runs and displays it at local shows on a regular basis in the summers.
Specifications (A-1020)
Data from [2] Engine History.org
General characteristics
- Type: 9-cylinder 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 (290 kg)
- Designer: F. A. Thaheld
Components
- Valvetrain: two pushrod operated valves per cylinder
- Fuel system: Guiberson system fuel injection
Performance
- Power output: 340 hp (250 kW)
- Compression ratio: 15:1
- Specific fuel consumption: .42 lb/hp.hr (0.26 kg/kWh)
- 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
References
- "The Guiberson Aero Diesel", Flight, p. 9, 2 January 1941
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