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Argus As.III

liquid-cooled 6 -cylinder inline engine 180 [hp](132.4 KW)

introduction : November 1917 country : de importance : ***

applications : Hannover CL.II, Rumpler C.VIII, Hannover CL.III

normal rating : 180 [hp](132.4 KW) at 1250 [rpm] at 0 [m] above sea level

no reduction, direct drive,

valvetrain : Overhead-valve, two valves per cylinder, pushrod operated

weight engine(s) dry : 295.0 [kg] = 2.23 [kg/KW]

bore : 150.0 [mm] stroke : 145.0 [mm]

Mechanical efficiency/mean pressure correction factor : 0.614 [ ]

invloed hoogte > cm : 0.35 [ ]

compression ratio: 0.00 :1

calculated compression ratio : 4.73 : 1

published volume (displacement): 15.370 [litre]

calculated stroke volume (Vs) : 15.374 [litre]

compression volume (Vc): 4.118 [litre]

total volume (Vt): 19.492 [litre]

power / stroke volume (litervermogen Nl): 8.6 [kW/litre]

torque : 1011 [Nm]

engine weight/volume : 19.2 : [kg/litre]

average piston speed (Cm): 6.0 [m/s]

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intake pressure at 0 [m] height Pi : 0.95 [kg/cm2]

mean engine pressure (M.E.P.) at 0 [m] hoogte Pm : 6.62 [kg/cm2]

compression pressure at 0 [m] hoogte Pc: 6.98 [kg/cm2]

estimated combustion pressure at 0 [m] Pe : 27.94 [kg/cm2]

exhaust pressure at 0 [m] Pu : 3.80 [kg/cm^2 ]

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compression-end temperature at 0 [m] Tc: 581 [°K] (308 [°C])

caloric combustion temperature at 0 [m] Tec: 2193 [°K] (1919 [°C])

polytrope combustion temperature at 0 [m] Te (T4): 2320 [°K] (2047 [°C])

exhaust temperature at 0 [m] Tu: 1339 [°K] (1065 [°C])

emergency/TO rating can be increased with higher [rpm}

(emergency/take off) rating at 1369 [rpm] at sea level : 197 [pk]

Thermal efficiency Nth : 0.322 [ ]

Mechanical efficiency Nm : 0.790 [ ]

Thermo-dynamic efficiency Ntd : 0.254 [ ]

design hours : 1589 time between overhaul : 165

fuel consumption optimum mixture at 1250.00 [rpm] at 0 [m]: 44.78 [kg/hr]

specific fuel consumption thermo-dynamic : 249 [gr/epk] = 338 [gr/kwh]

specific fuel consumption (cruise power) at 0 [m] optimum mixture : 338 [gr/kwh]

estimated sfc (cruise power) at 2500 [m] rich mixture : 340 [gr/kwh]

specific fuel consumption at 0 [m] at 1250 [rpm] optimum mixture : 338 [gr/kwh]

estimated specific oil consumption (cruise power) : 25 [gr/kwh]

literature : Wikipedia