| Polaris | |
|---|---|
 | |
| Walter Polaris | |
| Type | Radial aero engine |
| National origin | Czechoslovakia |
| Manufacturer | Walter Aircraft Engines |
The Walter Polaris was a Czechoslovakian three-cylinder, air-cooled radial engine for powering light aircraft that was developed in the 1930s. [1]
A preserved example of the Walter Polaris engine is on display at the following museum:
Comparable engines
Related lists
The Bristol Jupiter was a British nine-cylinder single-row piston radial engine built by the Bristol Aeroplane Company. Originally designed late in World War I and known as the Cosmos Jupiter, a lengthy series of upgrades and developments turned it into one of the finest engines of its era.
The Jacobs R-755 is a seven-cylinder, air-cooled, radial engine for aircraft manufactured in the United States by the Jacobs Aircraft Engine Company.
The Walter Venus was a seven-cylinder, air-cooled, radial engine for aircraft use, built in Czechoslovakia in the late 1920s.
The Walter Vega was a five-cylinder, air-cooled, radial engine for aircraft use, built in Czechoslovakia in the late 1920s.
The Armstrong Siddeley Tiger was a British 14-cylinder air-cooled aircraft radial engine developed by Armstrong Siddeley in the 1930s from their Jaguar engine. The engine was built in a number of different versions but performance and dimensions stayed relatively unchanged. The Tiger VIII was the first British aircraft engine to use a two-speed supercharger.
The Armstrong Siddeley Ounce was a small two-cylinder aero engine developed by Armstrong Siddeley in 1920. The engine was originally conceived as a test piece but ran very well and was put into production for early ultralight aircraft and use in target drones. The Ounce used two cylinders from the preceding Jaguar I radial engine.
The Jacobs R-915 or Jacobs L-6 is a seven-cylinder, air-cooled, radial engine for aircraft manufactured in the United States, production started in 1936.
The Jacobs R-830 or L-5 is a seven-cylinder, air-cooled, radial engine for aircraft manufactured in the United States, production started in 1935.
From 1905 to 1915, Alessandro Anzani built a number of three-cylinder fan and radial engines, one of which powered Louis Blériot's 1909 cross-channel flight. An Anzani three-cylinder engine that powers a Blériot XI based in England is thought to be the oldest airworthy engine in the world.
The Curtiss H-1640 Chieftain was an unusual American 12-cylinder radial aero engine designed and built by the Curtiss Aeroplane and Motor Company in the mid-1920s.
The Walter Scolar was a Czechoslovakian nine-cylinder, air-cooled radial engine for powering light aircraft that first ran in 1936. With a displacement of 8 litres, it produced 132 kW at 2,500 rpm.
The Walter Pollux is a Czechoslovakian nine-cylinder, air-cooled, radial engine, built by Walter Aircraft Engines for powering light aircraft and that first ran in 1936. The engine produces 240 kW (320 hp) at 1,800 rpm.
The Walter Regulus was a Czechoslovakian five-cylinder, air-cooled radial engine for powering light aircraft that first ran in 1934. The engine produced 186 kW.
The Walter Bora was a Czechoslovakian nine-cylinder, air-cooled radial engine for powering light aircraft that was developed in the 1930s by Walter Aircraft Engines.
The Walter Mars was a Czechoslovakian 14-cylinder, air-cooled radial engine for powering aircraft, a licensed built Gnome-Rhône 14M.
The Walter Castor was a Czechoslovakian seven-cylinder, air-cooled radial engine for powering aircraft that was developed in the late 1920s. The Super Castor was a nine-cylinder development. Castor I production began in 1928, Castor II in 1932 and the Castor III in 1934.
The Walter Gemma was a Czechoslovakian nine-cylinder, air-cooled, radial aero engine that was developed and manufactured in the early 1930s by Walter Aircraft Engines.
The Walter NZ 120 was a nine-cylinder, air-cooled, radial engine for aircraft use built in Czechoslovakia by Walter Aircraft Engines in the 1920s. Using common cylinders and parts from the NZ (Novák-Zeithammer) range of engines the NZ 120 produced up to 135 horsepower (99 kW).
The Walter NZ 85 was a seven-cylinder, air-cooled, radial engine for aircraft use built in Czechoslovakia by Walter Aircraft Engines in the late-1920s.
The Walter NZ 40 was an unsuccessful, three-cylinder, air-cooled, radial engine for aircraft use built in Czechoslovakia by Walter Aircraft Engines in the late-1920s.
 | Wikimedia Commons has media related to Walter Polaris . |
 | This aircraft engine article is missing some (or all) of its specifications. If you have a source, you can help Wikipedia by adding them. |