The Avia M 337 (originally designated the Walter M337) is an inverted six-cylinder air-cooled inline engine. It was developed by the
Czechoslovak
Czechoslovak may refer to:
*A demonym or adjective pertaining to Czechoslovakia (1918–93)
**First Czechoslovak Republic (1918–38)
**Second Czechoslovak Republic (1938–39)
**Third Czechoslovak Republic (1948–60)
**Fourth Czechoslovak Repub ...
company as a six-cylinder derivative of the four-cylinder
M 332 engine, going into production in 1960. An unsupercharged version of the M 337 is designated as the
LOM M137. Production transferred to
Avia
Avia Motors s.r.o. is a Czech automotive manufacturer. It was founded in 1919 as an aircraft maker, and diversified into trucks after 1945. As an aircraft maker it was notable for producing biplane fighter aircraft, especially the B-534. Avia ...
in 1964, and to Letecke Opravny Malesice (LOM) in 1992.
Variants
;M 337A: Basic supercharged engine - not rated for aerobatics
;M 337R: Modified for pusher installation
;M 337AK: modified oil system for unlimited inverted flying. "Snap" aerobatics permitted.
;M 337AK1:AK fitted with alternator instead of generator
;M 337B:Increased max running speed (3000 rpm) - increased power - .
;M 337BK:Aerobatic version of B.
;M 337C:Increased compression ratio -
;
M 137A: Unsupercharged version of M 337 take-off power. Aerobatics allowed.
;
M 137AZ:As M 137A, with filtered air feed
;M 437: Gear ratio 0.7:1
Applications
*
AeroVolga LA-8C
*
Falconar SAL Mustang
The Falconar SAL Mustang, also called the 2/3 Mustang and the SAL P-51D Mustang is a Canadian amateur-built aircraft, originally produced by Falconar Avia and introduced in 1969. The aircraft is a scale replica of the North American P-51 Musta ...
*
Let L-200 Morava
The Let L-200 Morava is a two-engine touring and light passenger aircraft of the 1960s, designed and produced by Let Kunovice in the Czech Republic.
Development
The Let L-200 Morava light twin-engine transport was preceded in production at ...
*
Zlín Z 526, Z 726
*
Zlín 142
*
Zlín Z 43
The Zlín Z 43 is a Czech four-seat light aircraft. A development of the two-seat Zlín Z 42, it is a low-wing monoplane. A developed version, the Zlín Z 143 remains in production.
Design and development
After successful production of the Z-26 ...
Specifications (M 337)
References
*
* http://www.walterjinonice.cz/historie-spolecnosti-walter
{{Walter aeroengines
Aircraft air-cooled inline piston engines
1960s aircraft piston engines
Inverted aircraft piston engines
Walter aircraft engines
LOM Praha aircraft engines