O.S. 46LA 13393 w/Muffler Natural OSMG0047

O.S. 46LA w/Muffler Natural OSMG0047

This is the .46LA engine from O.S. Max designed for sport airplane use.

This is a non-ringed engine with a Two-Year Warranty.

This engine has a natural finish w/"O.S." & "46LA" on the side.

Features

• O.S. 46LA w/Muffler Natural OSMG0047

• 1-piece crankcase

• Crankshaft is set in one long bronze Oilite bushing (no bearings)

• Schnuerle porting (AKA Schnuerle scavenging)

• Side exhaust

• Nylon backplate with remote needle valve

• 40D carburetor

• Aluminum piston with Nickel-plated brass cylinder liner.

Specifications

• Construction: Aluminum 1-piece crankcase, piston, cylinder head

• Bore: 23.0mm (0.906")

• Stroke: 18.4mm (.724")

• Horsepower: 1.2 BHP at 15,000 RPM

• Distance from remote needle to end of crankshaft: 4.5" (114mm)

• Distance from center of engine to drive hub: 2.0" (51.2mm)

• Distance from center of engine to end of crankshaft: 3.0" (76.3mm)

• Height from crankcase bottom to top of cylinder head: 3.3" (84.7mm)

• Height/crankshaft center to top of cylinder head: 2.7" (69mm)

• Width including mounting ears: 1.9" (48mm)

• Width not including mounting ears: 1.2" (32mm)

• Width between mounting holes same side: 0.69" (17.5mm)

• Width between mounting holes opposite side: 1.6" (40.5mm)

• Width between muffler mounting holes: 1.4" (36mm)

• Width of exhaust opening: 1.1" (29mm)

• Height of exhaust opening: 0.3" (7mm)

• Diameter of muffler body: 1.3" (33.5mm)

• Angle of muffler in relation to engine: 4�

• Weight: 272g (9.6oz without muffler)

• Crankshaft Thread Size: 1/4-28

• Recommended Props: Break In: 11x6

• Trainer and Sport Models: 11x6, 11x7

• Scale Models: 12x5, 12x6

• Practical RPM Range: 2,000 - 16,000 RPM (This engine will not turn

• this many RPM on the ground) RPM curve is when the engine unloads.

Package Contents

• One expansion-style muffler #E-3030

• One instruction manual and sticker sheet

• One assembled engine with glow plug

• Two 3x30mm phillips head screws to bolt muffler to engine

Requirements

• Fuel with 5% - 15% Nitromethane and 18% (minimum) oil content

Comments

• The factory setting of the needle valves are as follows: High speed needle: Turn all the way in and back out 2 turns. Air Bleed screw: Turn all the way in and back out 2 turns. The coverplate for the FX Series will NOT work on this engine.

• Available Pitts Muffler is SLIG2216.