Instruction Manuals:	Manual 1 (315 KB)
Tower Catalog Page:	202
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   This is the Fuji Imvac BT-50EI Gasoline Engine with Electronic Ignition.
                     For large scale aircraft applications.

FEATURES: The EIS (Electronic Ignition System) uses a 4.8V receiver battery to
            to produce spark.
            A sensor automatically detects RPM and adjusts timing for easier
              more reliable starts.
            This system requires less effort to spin the prop, is lighter in
              weight for less vibration and rotating mass on crankshaft
          CNC machined using highly-specialized state-of-the-art equipment,
            for better overall quality and a tighter parts fit.
          Walbro butterfly-type carburetor
          True chrome-plated cylinder
          Dynamic balancing of flywheels, prop hubs, and crankshafts
          Throttle linkage for R/C use, engine is ready for installation into
            giant scale airplanes, with no conversions necessary
          THREE YEAR limited warranty

INCLUDES: One BT50EI engine, Champion RCJ6Y spark plug, muffler, firewall mount
            illustrated instruction manual, Walbro carb, spark plug wrench,
            2.5" (62.5mm) prop flange with washer, 8mm prop bolt, 11" (280mm)
            gas tubing

REQUIRES: 20x10 Propeller (TOPQ5240), 2-cycle oil, fuel filter for gasoline
          EIS battery, FJIP9925

SPECS:    Displacement: 3 cu in (46.5cc)
          Practical RPM: 1100-9000
          Output: 5.2hp @ 9000 RPM
          Weight: 4.79 lbs (2,175 g) with muffler
                  4.22 lbs (1,918 g) without muffler
          Recommended Propeller: Wood:       Carbon:
                                 18x8        20x12
                                 18x10       22x10
                                 20x10       22x12

           Distance between mounting holes:            2.7"  (70mm)
           Width not including muffler or carburetor:  3.3"  (84mm)
           Width including muffler and carburetor:       8" (203mm)
           Distance between carburetor and center of crankshaft:  3.8"  (97mm)
           Distance between muffler and center of crankshaft:     4.2" (106mm)
           Distance/top of cylinder head to center of crankshaft: 4.7" (120mm)
           Total height: 7.2" (184mm)
           Distance/rear of engine to outer edge of prop flange: 6.5" (166mm)

           NEEDLE SETTINGS:
                H: Open the needle 3/4 of a turn from the closed position (±1/4
                       (±1/4 of a turn in winter).
                L: Open the needle 1-3/8 turns from the closed position
                       (±1/4 of a turn in winter).

           Fuji Imvac is NOT related to the original Fuji engines sold by MECOA
           No longer comes with oil, which is not available separately.
                                                                    jxs 4/22/04
                                                                         ir/jxs
                                                               updt jxs 8/25/04
                                                           updated jpg 10/17/05
                                                               updt lmm 3/26/09



– If you need more information, use these Fuji Imvac resources –

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


 
Postal Address:
Fuji Imvac
3002 N. APOLLO DRIVE, SUITE 1
CHAMPAIGN, IL 61822  








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