O.S. (#12660) - O.S. .25 FX Non-Ringed w/Muffler  [OSMG0525]

O.S. Engine 25FX Non-Ringed w/Muffler
Price:
USD$95.00
Brand:
O.S. Engine
Model:
OSMG0525
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The 25FX Non-Ringed w/Muffler produced by O.S. Engine, is classified in R/C Models - Engine / Glow Plug - Airplane Engines

O.S. has Updated the .25 SF with this New High-Performance .25 FX. This Engine can be utilized in Sport and Aerobatic Aircraft. The FX is made to Use a Muffler or Tuned pipeline. Includes a 2-Year Warranty.

 

FEATURES: Remote Needle Attached to the Backplate keeps hands away from prop

          Twin Ball Bearing-Supported Crankshaft

          Schnuerle Porting (Schnuerle scavenging)

          Non-Ringed (ABN) Construction

          Side Exhaust

          One-Piece Crankcase

 

INCLUDES: One Expansion Style Muffler

          One group of Instructions, Decal, and Poster

          One Assembled .25 FX w/Carb

 

SPECS:    Displacement:  4.07cc (.2485 cu in)

          Bore: 18.0mm (.708")

          Stroke: 16.0mm (.630")

          Horsepower: .84 BHP at 18,000 RPM

          Weight: 248g (8.8oz)  10.8 oz w/muffler

          Length: 75.6mm (2.98") distance through the backplate to operate a vehicle washer

          Width: 30mm(1.18") width of engine neglecting motor mounting flanges

                 38mm (1.50") distance between facilities associated with mounting holes

          Height: 75.5mm (2.97")

          Crankshaft Thread Size: 1/4-28

          Recommended Props: Pattern Flying: 9X5, 9X6

            Pattern Flying if a tuned pipeline is employed: 9.5X5

            Sport Flying: 9X5, 9X6, 9.5X5, 10X4, 10X5

          PracticalRPMNumber: 2,500 - 19,000 RPM

 

REQUIRES: longer Glow Plug (O.S. #8 recommended)

          Fuel with 20percent (minimum) lubricant content and 5%-15% Nitromethane

            (all of the 5%-15percent fuels we carry meet these requirements)

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