4Cycle engine for R/C Air plane
Model#	Dimension of engine					Plopeller size
	[mm]					dia. x pitch
	A	B	C	D	E	[in.]
R155-4C	60.0	20.0	48.0	63.0	M8 x 1.0	13~16 x 11~6
53-4C	41.0	16.5	33.0	43.0	UNF1/4-28	11~12 x 8~7
41-4C	37.5	15.0	30.0	43.5	UNF1/4-28	10~13 x 8~5
36-4C	37.5	15.0	30.0	43.5	UNF1/4-28	10~12 x 8~5