This is a FS-40 Surpass Four-Stroke Model Aircraft Glow Engine.:
Product Features
- Rear-mounted updraft Carburetor.:
- 30% larger Intake Valves than the original FS series.:
- Helix gear-driven Camshaft.:
- Ringed piston.:
- Ball bearing-supported Camshaft and Crankshaft.:
- Two Year Warranty.:
Product Specifications
- Bore: 21.2mm (.835):
- Stoke: 18.4mm (.724):
- Power Output: .65 PS, 0.64 HP at 12,000 RPM:
- Weight- w/o muffler: 12.5oz (354g) with muffler: 13.3oz (377g)
- Practical RPM Range: 2,200 - 12,000 RPM:
- Crankshaft Thread Size: 1/4-28:
- Valve Clearance: Between .04mm and .1mm (.0015 and .004):
- Measured between the valve tip and rocker arm.:
- Length: 77.5mm(3.05) from backplate to the front of the drive washer:
- Width: 32.5mm (1.28) width of engine neglecting the mounting flanges:
- 42mm (1.65) side-to-side mounting holes on-center:
- Height: 98mm (3.85):
- Suggested Prop(s): 10x7.5, 11x6, 12x5, 12x6 (2-blade), 9x7 (3-blade):
- Construction: Aluminum and aluminum alloys:
What's Included
- One Assembled engine w/Carb and #F Plug:
- One Muffler w/Manifold:
- One Set of Instructions, O.S. Poster, and Decal.:
- (Wrenches, Choke Valve Extension, and Mounting Template Are No:
- Longer Included per O.S.):
Required
- Fuel: 5%-15% nitromethane with 18% lubricant. Synthetic, castor, or a castor/synthetic blend may be used.
- NOTE: Certain four-cycle fuels cannot be used due to low oil content.:
- However, SOME four-cycle fuels such as the Wildcat 4-Cycle 15% (CATP9109) may be used due to its 18% oil content.
- When choosing fuels for this engine, the modeler must be sure to select a fuel with at least a 18% lubricant content.
- Starting and Field Equipment.:
- Propeller (see SPECS):
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Manufacturer Comments - Needle Settings: High Speed: 2 - 2.5 turns out from fully closed Low Speed (air bleed screw): tip of screw 1/2 way across the small hole in the back of the carb:
- The Surpass series is the 2nd series of 4-stroke engines. The firs FS series was discontinued and replaced by the Surpass serie around 1987. Surpass refers to this series gaining 30% mor power than the previous FS-series engines..:
- Some differences between 4-stroke and 2-stroke engines 4-strokes are quiete 4-strokes get better fuel econom 2-strokes generate more rpm (11,000-13,000 RPM with pro while 4-strokes rev to around 9,500 RPM 4-strokes generate much more torque and will swing a larger prop 4-strokes have a realistic sound like a real aircraft engine
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