Type: Glow Shaft rotary valve
Main Bearing: 2 ball bearings
Bore x Stroke: 0.654 x 0.590 in
Displacement: 0.198(3.25c.c.)
Weight: 8.5oz.
Compression ratio:
low 9 : 1
high 10.5 : 1
Max. power: 0.55H.P.
R.P.M.: 2.500 ~ 19.000
Proper size of propeller dia x pitch. in.
R/C: 8 ~ 9 x 6 ~ 4