O.S. 25LA 12352 Non-ring 20H Carburetor E3020 Muffler OSMG0026

O.S. Engines 12352 25LA Non-ring 20H Carburetor E3020 Muffler OSMG0026

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