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Austro-Daimler 200 hp
liquid-cooled 6 -cylinder inline engine 200 [hp](147.1 KW)
introduction : September 1917 country : Austria
normal rating : 200 hp at 1400 rpm at sea-level
applications : Aviatik (Berg) D.I
no reduction,direct-drive
weight engine(s) dry : 330.0 [kg] = 2.24 [kg/KW]
bore : 135.0 [mm] stroke : 175.0 [mm]
compression ratio: 5.02 :1
high compression engine cannot run with full power/throttle at sea-level (only for short
period)
stroke volume (Vs) : 15.030 [litre]
compression volume : 3.739 [litre]
total volume : 18.768 [litre]
power / stroke volume (litervermogen Nl): 9.8 [kW/litre]
torque : 1003.36 [Nm]
engine weight/volume : 22.0 : [kg/litre]
average piston speed (Cm): 8.2 [m/s]
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intake pressure at 0 [m] hoogte Pi : 0.95 [kg/cm2]
mean engine pressure (M.E.P.) at 0 [m] hoogte Pm : 6.06 [kg/cm2]
compression pressure at 0 [m] hoogte Pc: 7.53 [kg/cm2]
estimated combustion pressure at 0 [m] Pe : 30.13 [kg/cm^2 ]
exhaust pressure at 0 [m] Pu : 3.80 [kg/cm^2 ]
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compression-end temperature at 0 [m] Tc: 593 [°K] (319 [°C])
caloric combustion temperature at 0 [m] Tec: 2228 [°K] (1955 [°C])
polytrope combustion temperature at 0 [m] Te (T4): 2365 [°K] (2092 [°C])
exhaust temperature at 0 [m] Tu: 1352 [°K] (1078 [°C])
Thermal efficiency Nth : 0.33 [ ]
Mechanical efficiency Nm : 0.87 [ ]
Thermo-dynamic efficiency Ntd : 0.29 [ ]
design hours : 1093 time between overhaul : 94
fuel consumption optimum mixture at1400.00 [rpm] at 0 [m] : 49.04 [kg/hr]
specific fuel consumption thermo-dynamic : 218 [gram/epk] = 296 [gram/kwh]
estimated specific fuel consumption (cruise power) at 0 [m] optimum mixture : 315
[gram/kwh]
estimated specific fuel consumption (cruise power) at 3110 [m] rich mixture : 324
[gram/kwh]
specific fuel consumption at 0 [m] at 1400 [rpm] optimum mixture : 333.37
[gram/kwh]
estimated specific oil consumption (cruise power) : 24 [gram/kwh]
literature : Jane’s Fighter aircraft WWI
notes : gepubliceerd vermogen : 200 hp bij 1400 rpm, moet op sealevel zijn omdat ander de het mechanisch rendement onwaarschijnlijk hoog wordt.