OS Engines LogoLA Series
MAWcraft Logo

You get quality and reliability with OS

These engines are so good I normally fit OS engines in all my planes.
OS LA Series
  • Excellent plain bronze bearing engine
  • Semi-square head shape creates more fin area to increase cooling capacity, which extends the lifeand reliability of the engine.
  • very strong construction that easily stand up to the stresses of learning to fly.
  • Excellent, smooth, trouble free carburator that is very easy to set up.
  • distingtive blue colour

Also see OS FX Series

 

 

Engine Displacement
Cubiq in (cc)		 RPM Output
(BHP@rpm)		 Weight
oz (g)		 Recommended
Props
0.10 LA
 0.107 ci
(1.76 cc)		 2500-18,000 0.27 @ 17,000 3.95
(112 g)		 7x4-5
0.15 LA 0.15
(2.5 cc)		 2500-18,000 0.41 @ 17,000 4.87
(138 g)		 7x5-6, 8x4-5
0.25 LA
 0.2485
(4.0 cc)		 2500-16,000 0.6 @ 15,000 6.9
(197 g)		 9x5-6, 10x5
0.40 LA
 0.3963
(6.49 cc)		 2000-16,000 1.0 @ 16,000 9.5
(269 g)		 10x6.5, 10.5x5-6, 11x5-6
0.46 LA
 0.467
(7.5 cc)		 2000-16,000 1.2 @ 16,000 9.6
(270 g)		 11x6-7
0.65 LA
 0.662
(10.85 cc)		 2,000-16,000 1.7 @ 16,000 18.0
(510 g)		 12x7-8, 13x6-8

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