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Tower Catalog Page:	196
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   This BGX-1 is the engine of choice for those Giant Scale Modelers. The BGX-1
35cc Engine was designed as a lighter, more powerful, less vibration, and more
compact alternative to the converted chainsaw gasoline engines. One drawback;
fuel economy is better with the chainsaw engines, and fuel is less expensive.
The BGX-1 includes an engine mount that mounts to the firewall in the same bolt
pattern as the backplate-style engine mounts that come with SuperTigre's models
S2000, S2500, and S3000(K) engines. You can directly replace any of those
engines with the BGX-1 without redrilling your firewall.
        This engine is covered under the O.S. 2-YEAR WARRANTY.

FEATURES: Two crankshaft ball bearings
          Side exhaust
          Ringed piston
          Schnuerle porting (AKA Schnuerle scavenging)
          Two chamber expansion-type muffler (included)
          Safety prop nut assembly
          Remote Needle Valve                                                 .
INCLUDES: Expansion-Style Muffler w/Adapter and Screws
          Backplate-Style (radial) Engine Mount (OSMG2308)
          One Hardware Bag w/screws, blind nuts, lock (split) washers to mount
            the engine
          One Safety Prop Nut Assembly (OSMG6689)
          One Woodruff Key (OSMG9364)
          One #8 Glow Plug (OSMG2691)
          One Set of Instructions, Poster, and Decal
          One Remote Needle Valve and Hardware to mount the needle valve      .

SPECS:    Construction: Aluminum and Aluminum alloys
          Displacement: 35cc (cubic centimeters) or 2.13 cubic inches
          Bore: 37.3mm (1.47")
          Stroke: 32mm (1.26")
          Max Output: 4.1 BHP at 10,000 RPM
          Practical RPM Range: 1,500 - 10,000 RPM
          Crankshaft Thread Size: 3/8-24
          Height: 142.5 (5.61")
          Width: 60.5mm (2.38") Width neglecting the engine mounting flanges
                   74mm (2.91") width between the centers of the mounting holes
                  103mm (4.05") diameter of the backplate engine mount
          Length: 129.5mm (5.10") from the back of the engine mount to the
                                    front of the drive washer
          Weight: 1340g (47.3ozs) without mount or muffler
                  1045g (49.6ozs) with the mount and NO muffler
          Suggested Prop Sizes: 18x8, 18x9, 18x10, 18x11, 18x12, 20x8, 20x9,
                                                                        20x10
          High Speed Needle: 1 - 1.5 turns out from fully closed
          Low Speed Needle;  1 - 2mm gap between the needle and spray bar at
                             full throttle (looking down the neck of the carb)

REQUIRES: Fuel with 5%-10% nitromethane and 18% MINIMUM lubricant content (20%
            is recommended). ALL 5%-15% fuels we carry meet these requirements.
                                                                          ir/jl
                                                               updt lmm 3/27/09



– If you need more information, use these O.S. resources –

Click Here: Manufacturer's Product Web Page
E-mail: enginesupport@hobbico.com
Web Site: http://www.osengines.com/
Phone: 217-398-8970


 
Postal Address:
O.S.
3002 N. APOLLO DRIVE, SUITE #1
CHAMPAIGN, IL 61822  








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