The .40LA engine from O.S. replaces the popular .40 FP as a sport aircraft engine. This is a quality non-ring type engine and is anodised blue in color.

FEATURES:
One-Piece Crankcase
Two Bronze Crankshaft Bushings (sometimes called Oilite bearings)
ABN specific ABC construction
Schnuerle Porting (Schnuerle scavenging)
Side Exhaust
Nylon Backplate with Remote Needle Valve
#40D carb

INCLUDES:
One Expansion-Style Muffler #E-3030
One Assembled .40LA Engine w/Carb
One Set Instructions, Mount Template, Decal, and Poster
Two 3x30mm screws to bolt muffler to engine

SPECS:
Construction: Aluminum 1-piece crankcase, piston, cylinder head, crank- shaft, connecting rod, and crankshaft. Nickel-plated Brass cylinder
Bore: 21.2mm (.84")
Stroke: 18.4mm (.73")
Horsepower: 1.0 BHP at 15,000 RPM
Weight: 269g (9.49 ozs)
Length: 70.0mm (2.75") distance from backplate to front of drive washer
Width: 32mm (1.26") width of engine neglecting engine mounting flanges. 40.5mm (1.59") distance between the centers of mounting holes.
Weight: 9.5 oz without muffler
Height: 82.2mm (3.24")
Crankshaft Thread Size: 1/4-28
Recommended Props: Break In: 11x5
Trainer and Sport Models: 10x6.5, 10.5x6, 11x5
Scale Models: 10.5x6, 11x6
Practical RPM Range: 2,000 - 16,000 RPM