Hirth F-30
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The Hirth F-30 is a horizontally opposed four-cylinder, two-stroke, carburetted aircraft engine, with optional fuel injection, designed for use on ultralight aircraft and homebuilts. It is manufactured by Hirth of Germany.[1][2][3][4]
Development
The F-30 is equipped with a dual capacitor discharge ignition system and is free-air-cooled, with optional fan cooling. The cylinder walls are electrochemically coated with Nikasil. Standard starting is electric start and recoil start is not an option. The reduction drive system available is the G-40 gearbox with optional reduction ratios of 2.03:1, 2.25:1, 2.64:1, 2.96:1 and 3.33:1. A centrifugal clutch is also available as optional equipment.[1][2][3]
The engine runs on a 50:1 pre-mix of unleaded 93 octane auto fuel and oil.[1][2][3]
Variants
- F-30
- Four-cylinder horizontally opposed, two-stroke, aircraft engine with a dual 38 mm diaphragm carburetors. Produces Script error: No such module "convert". at 5,500 rpm if free-air-cooled or Script error: No such module "convert". at 5,500 rpm if fan cooled. It has a factory rated time between overhaul (TBO) of 1,200 hours. Currently in production.[3]
- F-30E
- Four-cylinder horizontally opposed, two-stroke, aircraft engine with fuel injection. Produces Script error: No such module "convert". at 5,500 rpm if free-air-cooled or Script error: No such module "convert". at 5,500 rpm if fan cooled. It has a factory rated TBO of 1,200 hours. Currently in production.[3]
- F-30S
- Four-cylinder horizontally opposed, two-stroke, aircraft engine with dual integral pumper carburetors. Produces Script error: No such module "convert". at 6200 rpm if free-air-cooled or Script error: No such module "convert". at 6,200 rpm if fan-cooled. It has a factory rated TBO of 1,000 hours. Currently in production.[2]
- F-30ES
- Four-cylinder horizontally opposed, two-stroke, aircraft engine with fuel injection. Produces Script error: No such module "convert". at 6,200 rpm if free-air-cooled or Script error: No such module "convert". at 6,200 rpm if fan-cooled. It has a factory rated TBO of 1,000 hours. Currently in production.[2]
Applications
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Specifications (F-30ES)
Data from Recreational Power Engineering[2]
General characteristics
- Type: Four-cylinder, two-stroke, horizontally opposed, aircraft engine
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- Stroke: Script error: No such module "convert".
- Displacement: 1,042 cc (63.6 cu in)
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- Dry weight: Script error: No such module "convert"., including starter and exhaust system, Script error: No such module "convert". with gearbox, exhaust system and electric start. Fan cooling adds Script error: No such module "convert".
Components
- Fuel system: Fuel injection
- Fuel type: unleaded 93 octane auto fuel
- Oil system: 50:1 fuel-oil premix or oil injection
- Cooling system: free-air or fan
- Reduction gear: G-40 gearbox with reduction ratios of 2.03:1, 2.25:1, 2.64:1, 2.96:1 and 3.33:1 available. Optional centrifugal clutch.
Performance
- Power output: Script error: No such module "convert". at 6,200 rpm with free-air cooling, Script error: No such module "convert". at 6,200 rpm with fan cooling
- Compression ratio: 9.5:1
See also
References
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- ↑ a b c Cliche, Andre: Ultralight Aircraft Shopper's Guide 8th Edition, pages G-4 Cybair Limited Publishing, 2001. Template:ISBN
- ↑ a b c d e f Script error: No such module "citation/CS1".
- ↑ a b c d e Script error: No such module "citation/CS1".
- ↑ Purdy, Don: AeroCrafter - Homebuilt Aircraft Sourcebook, page 72. BAI Communications. Template:ISBN
- ↑ Script error: No such module "citation/CS1".
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