Main Menu

Gnome-Rhône 14M Mars

 

Gnome-14M
Gnome-Rhône 14M05 Mars

 

The Gnome-Rhône 14M was a small 14-cylinder two-row air-cooled radial engine that was used on several French and German aircraft of World War II.

 

Applications:
Breguet 693
Gotha Go 244
SNCAC NC.510M
SNCAC NC.530
SNCAC NC.600
Henschel Hs 129
Potez 631
Potez 633
Potez 637
Potez 662
Potez 63.11

 

Specifications:
14M-4
(14M-5 identical except opposite rotation)
Type: Fourteen-cylinder two-row supercharged air-cooled radial engine
Bore: 122 mm (4.80 in)
Stroke: 116 mm (4.57 in)
Displacement: 18.92 l (1,154.6 cu in)
Length: 1,251 mm (49.25 in)
Diameter: 950 mm (37.40 in)
Dry weight: 419 kg (924 lb)
Valvetrain: Two overhead valves per cylinder
Supercharger: gear driven, 8.258:1 ratio, 1-speed supercharger
Fuel system: Bronzavia 110-L2 carburretor with automatic boost and altitude control
Fuel type: 87 octane rating gasoline
Oil system: Pressure feed 482.6 kPa (70 psi), dry sump, 120 S.U. secs (25.1 cs) grade oil.
Cooling system: Air-cooled
Reduction gear: 0.71:1
Air Equipment 47 electric inertia starter
Power output:
(Take-off): 700 PS (514.85 kW) at 3,030 rpm for takeoff and at 5,150 m (16,896 ft)
(Normal): 660 PS (485.43 kW) at 3,030 rpm at 4,000 m (13,123 ft)
(cruising): 339.29 kW (455 hp) at 2,350 rpm at 4,000 m (13,123 ft)
Specific power: 27.21 kW/l (0.61 hp/in³)
Compression ratio: 6.5:1
Specific fuel consumption: 0.29 kg/kW/hr (0.48 lb/hp/h)
Oil consumption: 0.01 kg/kW/hr (0.018 lb/hp/h)
Power-to-weight ratio: 1.27 kW/kg (0.77 hp/lb)
*B.m.e.p. max: 156 psi (1,075.6 kPa)

 

 


Copyright © 2017 all-aero. All Rights Reserved.
Joomla! is Free Software released under the GNU General Public License.