MOTOR OS FF320 4 CYLINDER RIGED 36410

Power your prized Giant scale plane with an O.S. Multi-Cylinder 4-Stroke Engine. The O.S. FF-320 (Nicknamed "Pegasus") is a Flat-Four Cylinder Engine.

It is the ultimate in scale realism: abundant power, realistic noise levels, and scale appearance. This engine is covered by a 2-Year Warranty.

FEATURES

Pushrod-Driven Overhead Valves

Ringed Pistons

Gear-Driven Camshaft

5 -Crankshaft Ball Bearings

2 -Camshaft Ball Bearings

Four Cylinders (flat, 2 opposing 2) Firing Order: 1-3-2-4

INCLUDES

One Assembled FF-320 4-stroke Engine

One Set of Instructions, Decals, and Poster

One Choke Valve

Four Glow Plugs

One Motor Mount

One Safety Prop Nut Assembly

One Glow Plug Extension Harness

One Spare Woodruff Key

SPECIFICATIONS

Construction: All aluminum and Aluminum alloys

Displacement: 13.26 cc (x4) (.809 cu in x4)

Bore: 27.7mm (1.091")

Stroke: 22.0mm (.866")

Power Output: 4.1 BHP at 8,000 RPM

Weight: 2,190g (77.3oz) w/mount

Practical RPM Range: 1,800 - 8,500 RPM

Length: 181.5mm (7.15") from back of mount to front of drive washer

Width: 196mm (7.72")

Height: 80mm (3.15") from top of mount to bottom of mount. the carb extends 30-40mm farther down.

Distance from front-most edge of front header to drive washer: 36mm

Crankshaft Thread size: 5/16-24

Suggested Props: 18x10, 18x11, 18x12, 18x13, 18x14, 20x8, 20x9, 20x10, 22x8

Needle Settings: High Speed: 3-3.5 turns out from fully closed

Mixture Control (low speed): Turn counter-clockwise until it stops, then 2 turns out

REQUIREMENTS

2-STROKE Fuel with 5%-15% nitromethane and 16% MINIMUM oil content. (All 5%-15% fuels we carry meet these requirements) DO NOT USE 4-STROKE FUELS!!)
JBN 7.27.93

These items are no longer included: ir/jl NEEDLE VALVE EXT CABLE, CHOKE VALVE ROD updt lmm 4/6/09 (3) ALLEN KEYS 2.0,2.5,3.0-SCREW DRIVER FOR MIX CNTRL, PROP WASHER,5 WRENCHES

** Please check the ACG for these part numbers***