O.S. Engine 91FX  [OSMG0591]

Created for sport, but engineered for quality, the 91FX offers the power and user-friendly top top top top features of other FX Series devices in a displacement complement large-scale aircraft. The 91FX well bridges the vitality area between .60-size radiance products and fuel devices, giving the straightforward 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 airplane through its paces effortlessly. Adequate basis for O.S.' careful assessment and design behind it, large-scale pilots can travel the utmost in lasting reliability.

Coarse threads and an O-ring seal about the needle valve minimize settings creep ultimately because of vibration and environment leakages, supplying more routes with less adjustments.

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

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

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

The top power plant for several Top FliteR Gold Edition Kits

DEMANDS

• Stock quantity: 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