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Product Detail |
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This is the the O.S. Max .25LA Aircraft Engine with Muffler. Meets Requirments of Beginners and Sport Flyers. * TWO YEAR LIMITED WARRANTY
Features
12352 O.S. Engines 25LA Non-ring 20H Carburetor E3020 Muffler OSMG0026
One-piece natural finish crankcase
Two bronze crankshaft bushings (sometimes called Oilite bearings)
Schnuerle porting (Schnuerle scavenging)
Side exhaust
Nylon backplate
#20H carb with remote needle valve assembly
Specifications
Construction: Aluminum 1-piece crankcase, piston, cylinder head, crankshaft, connecting rod, and crankshaft. Chrome-plated
Brass cylinder.
Displacement: 4.07cc (0.249 cu. in.)
Bore: 18.0mm (.709")
Stroke: 16.0mm (.630")
Horsepower: 0.6 BHP at 15,000 RPM
Weight: 7.0oz w/o muffler (9.5oz w/ muffler)
Length: 67.5mm (2.65") distance/backplate to front of drive washer 89.5mm (3.52") distance from backplate to prop adapter
Width: 29mm (1.14") width of engine neglecting mounting flanges
Distance Between Mounting Holes Same Side: 14.4mm (.56")
Distance Between Mounting Holes Opposite Side: 33mm (1.29")
Height: 74.5mm (2.93") from bottom of mount tab/top of cylinder head
Crankshaft Thread Size: 1/4-28
Recommended Props: Break In: 9x5
Trainer and Sport Models: 9x5, 9x6
Practical RPM Range: 2,500 - 16,000 RPM
Contents
Expansion-Style Muffler #E-2030 .25LA Engine w/Carb and A3 glow plug,
Instructions, mount template, decal sheet,
Two 3x27mm screws to bolt muffler to engine
Requirements
Glow Fuel with 5-15% Nitromethane and 20% (minimum) lubricant content, Glow starter, plug wrench and field equipment
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