O.S. 50SX-H Ringed Hyper

This is the O.S. Max .50 SX-H Ring Hyper Helicopter Engine with
                    Hyper Cooling Head and 60LH Carburetor.

FEATURES: Ideal for use in any 50 class helicopter
          New head design offers improved combustion efficiency for stable
            hovering and aerobatic flight
          Large 0.39" (10mm) diameter Carburetor. intake for greater running stability
          Two year limited warranty
          Same mounting dimensions as the O.S. Max .46FX-H

INCLUDES: One O.S. Max .50 SX-H Helicopter Engine with Hyper Cooling Head, 60LH
           Carburetor.decal sheet, #8 glow plug, instruction manual

REQUIRES: 10% to 30% nitro Fuel with at least 18% lubricant (Helicopter Mix)
          Starting equipment

SPECS:    Output: 1.9ps/17,000 RPM
          Practical RPM Range: 2,000-20,000 RPM
          Displacement: 0.499 cid (8.0cc)
          Bore:  0.866in. (21.99mm)
          Stroke: 0.847in. (21.51mm)
          Weight: 14.33oz (405.4g)

          Distance/top of cylinder head-bottom of mounting ears: 2.9"  (74mm)
          Distance between mounting holes same side:             0.68" (17.5mm)
          Distance between mounting holes opposite side:         1.73" (44mm)
          Distance between muffler mounting holes:               1.4"  (37mm)
          Length of cylinder head:                               2.1"  (54mm)
          Width of cylinder head:                                1.8"  (47mm)
          Distance/bottom of crankcase to top of cylinder head:  3.6"  (92.3mm)
          Distance from center of engine to front bearing:       2.0"  (51.6mm)
          Distance from center of engine to backplate bolt:      1"    (25mm)
          Distance from center of engine to throttle lever:      1.5"  (38mm)