This is a .40 size Airplane Engine by Thunder Tiger.
       It is made in Taiwan and comes with a 3-Year Limited Warranty.

FEATURES: Dual ball bearing-supported crankshaft
          Schnuerle porting
          ABN (Aluminum Brass Nickel) piston/cylinder assembly
          Forged aluminum connecting rod with dual bushings
          Unique "squared" cylinder head design has more surface area
            than most conventional cylinder heads, for cooler runs
          Twin-needle carburetor

INCLUDES: Engine, expansion-style muffler (with pressure fitting & rotatable
            outlet), glow plug, wrenches, decals, and instructions.

REQUIRES: Prop, engine mount, fuel filter, and fuel (Thunder Tiger
            recommends fuel with castor oil).

SPECS:    Displacement:  .398 cu in (6.52cc)
          Bore:    .8228" (20.9mm)
          Stroke:  .7480"   (19mm)
          Power Output:  1.22 HP @ 16,000 RPM
          Maximum RPM range:  2,000 - 17,000
          Practical RPM range:  2,500 - 14,000
          Weight (w/muffler):  17.19oz (487g)
          Crankshaft thread size:  1/4-28
          Crankcase width (for engine mount):  1.36"
          Overall height:  3.4" (87mm)
          Overall width (w/mount flanges):  1.97" (50mm)
          Overall length (backplate to front of drive washer):  3.39" (86mm)
          Recommended prop size:  10x6 (break-in); 10x6 (aerobatic);
                                  11x5, 10x6 (sport and scale)
                                                                     8/28/95eke
                                                                          ir/jl
                                                              updt jxs 12/15/03
                                                              updt jxs 04/20/10