This is the .46LA engine from O.S. Max designed for sport airplane use.
Crankshaft is set in one long bronze Oilite bushing (no bearings)
Schnuerle porting (AKA Schnuerle scavenging)
Nylon backplate with remote needle valve
Aluminum piston with Nickel-plated brass cylinder liner.
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
Construction: Aluminum 1-piece crankcase, piston, cylinder head
Bore: 23.0mm / 0.906"
Stroke: 18.4mm / 0.724"
Horsepower: 1.2 PS / 1.18 HP at 15,000 RPM
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.
Fuel with 5% - 15% Nitromethane and 18% (minimum) oil content.
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.
This product was added to our catalog on Friday 26 September, 2014.