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  • os engines 15LA ABN .15 Airplane Glow Engine with Muffler
  • os engines 15LA ABN .15 Airplane Glow Engine with Muffler

os engines 15LA ABN .15 Airplane Glow Engine with Muffler

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The easy choice in sport performance!

Why burn daylight fiddling with a finicky motor? Take the easy way out, with an engine that's as powerful and dependable as the day is long: LA-Series engines from O.S. are flier favorites because they are easy: easy to afford, easy to run, easy to maintain — and hard to beat for powerful, dependable performance. That's because O.S. has worked hard to make them that way. With CNC-machined parts, for precise fit and finish. Heavy “webbing” on one-piece crankcases to resist distortion and prevent binding. A tall heat sink head and crankcase fins so LA engines cool better and last longer. And with nylon backplates that include an integral, molded-in fuel inlet and needle-valve holder.

O.S. Engines two year limited warranty



Prop Range 7x5-6 x 8x4-5
Plug Type O.S. A3
RPM Range 2,500 - 18,000
Power Type Glow
Oil Type & Content At least 18% synthetic lubricant
Crankshaft Type Threaded
Engine (Only) Weight 4.87oz (138g) w/o muffler
Product Width 1.6" (40mm) at mounting tabs
Stroke 0.539" (13.7mm)
Muffler Type 2-piece aluminum
Muffler Weight 1.5oz (42g)
Product Height 2.4" (61mm) crankcase botton to top of cylinder head
Displacement 0.15 cu in (2.49 cc)
Product Length 2.16" (56.5mm) from back plate to front of drive washer
Crankshaft Threads UNF1/4-28 M5
Bore 0.598" (15.2mm)
Cylinders Single
Benchmark Prop 8x4 break-in
Carb Type Rotary


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