This is 25LA engine from O.S. This Engine replaces the 25 FP as a Sport
Airplane Engine. It is packed with O.S. quality. This is a Non-Ring Type
Engine, Blue in Color. This engine has a Two-Year Warranty.
FEATURES: One-Piece Crankcase Two Bronze Crankshaft Bushings
(sometimes called oilite bearings) Schnuerle Porting (Schnuerle
scavenging) Side Exhaust Nylon Backplate with Remote Needle Valve .
#20H carb
INCLUDES: One Expansion-Style Muffler #E-2030 One Assembled .25LA
Engine w/Carb. One Set Instructions, Mount Template, Decal, and
Poster. Two 3x27mm screws to bolt muffler to engine
REQUIRES: Glow Plug (O.S. #A3 is recommended, OSMG2690) Glow Fuel
with 5-15% Nitromethane and 20% (minimum) oil content. (ALL of the
5-15% fuels we carry meet these requirements)
SPECS: Construction: Aluminum 1-piece crankcase, piston, cylinder
head, crankshaft, connecting rod, and crankshaft. Chrome-plated Brass
cylinder. Bore: 18.0mm (.71") Stroke: 16.0mm (.63") Horsepower: 0.6
BHP at 15,000 RPM Weight: 7.0 oz w/o muffler (9.5 oz w/ muffler)
Length: 67.5mm distance from backplate to front of drive washer Width:
29mm width of engine neglecting engine mounting flanges. 36mm distance
between the centers of mounting holes. Height: 74.5mm Crankshaft
Thread Size: 1/4-28 Recommended Props: Break In: 9X5 Trainer and Sport
Models: 9X5, 9X6 Scale Models: 9X5, 9X6, 10X5 Practical RPM Range:
2,500 - 16,000 RPM |
