Benz Bz.IV
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Template:Infobox Aircraft EngineThe Benz Bz.IV was a German six-cylinder, water-cooled, inline engine developed for aircraft use. Deliveries began in 1916, and some 6,400 were produced.
Design and development
The Bz.IV was a dual-camshaft design, with two intake and two exhaust valves per cylinder. The cylinders were cast iron surrounded by a sheet metal cooling jacket. The crankcase was aluminium and pistons were initially steel but later versions had aluminium pistons. A high compression version of the engine (Bz IVü) was produced from 1917 onwards and can be recognised by the red bands painted on each cylinder. In February 1918, pistons from a Bz.IV were the first captured aluminium pistons to be examined by the British Ministry of Munitions.[1]
Applications
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Specifications
Data from [2]
General characteristics
- Type: 6-cylinder, water-cooled, inline aircraft piston engine
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- Dry weight: Script error: No such module "convert".
Components
- Valvetrain: Twin inlet and exhaust valves operated by pushrod actuated double rockers
- Fuel system: Two Benz 2-jet carburettors feeding three cylinders each
- Fuel type: Gasoline specific gravity 0.72
- Oil system: Pressure feed at Script error: No such module "convert".: 50% Vacuum Heavy, 50% Sternol
- Cooling system: Water-cooled
Performance
- Power output: Script error: No such module "convert". at 1,400 rpm
- Specific power: 9.1 kW/L (0.2 hp/cu in)
- Compression ratio: 4.91:1
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- Specific fuel consumption: 0.495 L/kW/hr (0.65 pts/hp/hour)
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- Power-to-weight ratio: 0.3796 kW/kg (0.231 hp/lb)
See also
Related lists
References
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Bibliography
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- Kroschel, Gunter and Helmust Stützer. (1977) Die deutschen Militarflugzeuge 1910-1918 Wilhelmshaven: Lohse-Eissing Mittler.