O.S. Engine 25LA-S  [OSMG1426]

Control-line pilots can take advantage of the power and affordability that have made "LA" the most popular letters in R/C.

LA-S engines replace the carb with a venturi that keeps the engine running at a constant speed

A remote-mounted needle valve?Xthe most asked-for pilot option?Xis standard, rear-mounted for safety and added impact protection

A nylon backplate mount and rachet spring help hold settings against changes caused by vibration

An O-ring helps seal the needle from air and fuel leaks

Heavy-duty webbing reinforces the one-piece crankcase in high-stress areas

Other significant features include: bronze bushings for low-friction operation, a flat prop washer and longer crankshaft that provide more thread to engage, and a squared heat sink head and added fin area to increase cooling and enhance performance and longevity

SPECIFICATIONS

• Stock Number: OSMG1426
• Displacement: 0.249 cu in (4.07 cc)
• Bore: 0.709 in (18.0 mm)
• Stroke: 0.630 in (16.0 mm)
• Practical rpm: 2,000-16,000
• Output: 0.6 hp @ 15,000 rpm
• Weight: 6.54 oz (185.5 g)
• Recommended Props: 9x6, 10x