Main Menu

Pobjoy Airmotors Pobjoy R


Pobjoy-R
Pobjoy R

 

The Pobjoy R was a British seven-cylinder, air-cooled, aircraft engine designed and built by Pobjoy Airmotors. Introduced in 1926 it was a popular engine for ultralight and small aircraft in the 1930s. A notable feature of the Pobjoy R was the propeller reduction gear which allowed the engine to operate at high RPM.

 

Applications:
British Aircraft Swallow
Comper Swift
Cosmopolitan Light Plane
Couzinet 101
General Aircraft Monospar
Hendy Hobo
Kay Gyroplane
Lippisch Delta IV
Mauboussin M.121P Corsaire Major
Miles Satyr
Pander Multipro
Pobjoy Special
Short Scion
Short Scion Senior
Spartan Clipper

 

Pobjoy R
Type: 7-cylinder air-cooled, radial, left-hand tractor
Bore: 3.03 in (77 mm)
Stroke: 3.43 in (87 mm)
Displacement: 173.05 cu in (2.84 L)
Diameter: 25.5 in (647.7 mm)
Dry weight: 135 lb
Oil system: Dry sump
Cooling system: Air-cooled
Power output: 85 hp
Specific power: 0.5 hp/cu in
Fuel consumption: 4.9 imp. gallons per hour
Power-to-weight ratio: 0.63 hp/lb

 

 

 

 

 


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