O.S. Engine 91FX  [OSMG0591]

Made for sport, but engineered for quality, the 91FX provides the power and user-friendly top top top features of other FX Series devices in a displacement complement large-scale aircraft. The 91FX nicely bridges the energy area between .60-size radiance products and gas machines, by giving the simple familiarity of radiance technology combined with the added power that today's large-scale modelers need. Featuring its top output of 2.8 hp, the 91FX can put a large-scale plane through its paces effortlessly. Sufficient reason for O.S.' careful evaluation and design behind it, large-scale pilots can fly the maximum in long-lasting dependability.

Coarse threads and an O-ring seal regarding the needle valve minimize settings creep ultimately as a consequence of vibration and environment leakages, providing more flights with less adjustments.

Extra-long crankshaft and locknut construction offer more thread length for better prop nut engagement and much more security for pilots and onlookers.

A lower life expectancy crankcase profile renders area to obtain more head height and air-con fins-semi-squared mind design further improves ac ability and satisfaction.

Double bearing design includes a far more significant front bearing for extra durability and smoothness.

The top energy plant for all Top FliteR Gold Edition Kits

DEMANDS

• Stock amount: OSMG0591
• Displacement: 0.912 cu in (15.0 cc)
• Bore: 1.091 in (27.7 mm)
• Stroke: 0.976 in (24.8 mm)
• Practical rpm: 2,000-16,000
• Output: 2.8 hp @ 15,000 rpm
• Weight: 19.3 oz (550 g)
• Includes: Muffler, protection Propeller Locknut Assembly, #8 radiance plug
• Needs: fuel, mount & prop
• Suggested Props: 13x8, 13x9