O.S. Engines, FR5-300 5 CYLINDER RINGED 4-STROKE SIRIUS

Hobbies R Us

OSMG1300   O.S.   FR5-300 5 Cylinder Ringed 4-Stroke Sirius

TECH NOTES
   This is the O.S. Max FR5-300 "Sirius" 4-Stroke, 5-Cylinder Radial Engine.
     This engine is very popular with the "Giant Scale" modelers with its
  abundant power, low vibration, smooth operation, and realistic noise levels.
     This engine is the masterpiece of O.S. Multi-Cylinder 4-Stroke Engines!

FEATURES: Pushrod-Driven Overhead Valves
          Gear-Driven Camshaft
          Ball Bearing-Supported Crankshaft
          5-Cylinder Radial Configuration         Firing Order 1-3-5-2-4
          Ringed Pistons
          Two-year warranty

INCLUDES: One Motor mount with mounting hardware
          One Locking Prop Nut Assembly
          One Display Stand
          One Choke Valve Extension (rod)
          One Gauge Tool Set
          One Glow Plug Extension Harness
          Five #F glow plugs
          One Set of Instructions, Poster, and Sirius/OS Decals

SPECS:    Displacement: 9.96cc (x5) (.607 cu in x5)
          Bore:         24.0mm (.945")
          Stroke:       22.0mm (.866")
          Power Output: 4.0 BHP at 8,000 rpm
          Practical rpm Range: 1,800 - 8,000 rpm
          Weight:       2670g (94.2 oz) w/mount
          Length:  158.5mm (6.24") back of motor mount to front of drive washer
          Diameter:     234mm (9.21")
          Shaft Thread Size: 3/8" X 24
          Suggested Props: 18X12, 18X13, 18X14, 20X8, 20X9, 20X10, 22X8

REQUIRES: Fuel with 5%-15% Nitromethane and 16% MINIMUM lubricant content
            (Most of the 5%-15% fuels we carry meet these requirements)
   NOTES: For the BOOSTER CABLE (spark or glow plug cable), use OSMG3147.

COMMENTS: No longer includes needle valve extension, knob and hook,
            3x32mm propeller slippage screws, motor mount template, or spare
            Woodruff key.
                                                                         

ACCESSORIES
THIS IS AN R/C AIRPLANE ENGINE.  STARTING EQUIPMENT IS IN AIRPLANE KIT ACG.
COMES WITH ENGINE MOUNT AND GLOW PLUGS. MUST USE FUELS WITH 5%-15% NITROMETHANE
AND 16% MINIMUM LUBRICANT CONTENT (4-STROKE FUELS ARE ONLY RECOMMENDED IF THE
CASTOR OIL CONTENT IS AT LEAST 16%.), USE LARGE FUEL TUBING (#AERQ2010).