Engine Information

OS Aircraft Engines

Engine	Disp.(c.c.)	Bore (mm)	Stroke (mm)	Output (PS or BHP/r.p.m.)	Practical Range (r.p.m.)	Weight (g)
Max-BGX-1Ring	34.97	37.3	32.0	4.1 / 10,000	1,500-10,000	1,340
Max-108 FSR Ring (BX-1)	17.83	29.0	27.0	3.0 / 16,000	2,000-16,000	750
Max-61 RF ABC-P	9.97	23.0	24.0	2.0 / 16,000	2,000-17,000	580
Max-61 RF ABC	9.97	23.0	24.0	1.85 / 16,000	2,000-17,000	540
Max-61 SF ABC-P	9.97	23.0	24.0	2.0 / 16,000	2,000-17,000	580
Max-61 SF Ring-P	9.97	23.0	24.0	2.0 / 16,000	2,000-17,000	575
Max-61 SF ABC	9.97	23.0	24.0	1.85 / 16,000	2,000-17,000	540
Max-61 SF Ring	9.97	23.0	24.0	1.85 / 16,000	2,000-17,000	535
Max-60 FP	9.97	23.0	24.0	1.6 / 15,000	2,000-16,000	510
Max-46 VF ABC-P	7.45	22.0	19.6	1.55 / 16,000	2,000-17,000	366
MAX-46 VF ABC	7.45	22.0	19.6	1.43 / 16,000	2,000-17,000	362
MAX-46 FX	7.45	22.0	19.6	1.62 / 16,000	2,000-17,000	375
MAX-46 SF ABC-P	7.45	22.0	19.6	1.55 / 16,000	2,000-17,000	346
MAX-46 SF Ring-P	7.45	22.0	19.6	1.55 / 16,000	2,000-17,000	344
MAX-46 SF ABC-R	7.45	22.0	19.6	1.43 / 16,000	2,000-17,000	342
MAX-46 SF ABC	7.45	22.0	19.6	1.43 / 16,000	2,000-17,000	342
MAX-46 SF Ring	7.45	22.0	19.6	1.43 / 16,000	2,000-17,000	340
MAX-40 FX	6.47	22.5	19.6	1.36 / 16,000	2,000-17,000	386
MAX-40 SF ABC	6.47	22.5	19.6	1.22 / 16,000	2,000-17,000	360
MAX-40 SF Ring	6.47	22.5	19.6	1.22 / 16,000	2,000-17,000	358
MAX-40 FP	6.49	21.2	18.4	1.00 / 15,000	2,000-16,000	248
MAX-35 FP	5.90	20.2	18.4	0.8 / 14,000	2,000-16,000	256
MAX-32 SX	5.23	19.5	17.5	1.2 / 18,000	2,000-22,000	270
MAX-32 F ABC	5.23	19.5	17.5	1.02 / 16,000	2,000-17,000	235
Max-25 VF ABC	4.07	18.0	16.0	0.85 / 18,000	2,500-19,000	230
Max-25 FX	4.07	18.0	16.0	0.84 / 18,000	2,500-19,000	248
Max-25 SF ABC	4.07	18.0	16.0	0.8 / 18,000	2,500-19,000	218
Max-25 SF	4.07	18.0	16.0	0.7 / 16,000	2,500-17,500	215
Max-25 FP	4.07	18.0	16.0	0.6 / 15,000	2,500-16,000	185
Max-20 FP	3.46	16.6	16.0	0.5 / 15,000	2,500-16,000	193
Max-15 FP	2.49	15.2	13.7	0.41 / 17,000	2,500-18,000	142
Max-10 FP	1.76	13.44	12.4	0.27 / 17,000	2,500-18,000	119
Max-40 PS	6.49	21.2	18.4		24,000-30,000	380
Max-CZ-11PS	1.79	13.44	12.65	0.6 / 30,000	20,000-32,000	139

OS 4-Stroke Engines

Engine	Disp.(c.c.)	Bore (mm)	Stroke (mm)	Output (PS or BHP/r.p.m.)	Practical Range (r.p.m.)	Weight (g)
FR5-300 (Sirius)	9.95 x 5	24.0	22.0		1,800-8,500	2,670
FF-320 (Pegasus-320)	13.26 x 4	27.7	22.0		1,800-9,000	2,190
FT-300 (Super Gemini-300)	24.38 x 2	33.6	27.5		1,800-9,000	1,828
FT-160 (Gemini-160)	13.26 x 2	27.7	22.0		2,000-10,000	1,100
FT-120II (GiminiII)	9.95 x 2	24.0	22.0		2,000-10,000	1,090
FS-120S-SP	19.96	30.4	27.5	2.5 / 10,000	2,000-11,000	1,030
FS-120SII	19.96	30.4	27.5	2.1 / 12,000	2,000-12,000	980
FS-120S-E	19.96	30.4	27.5	1.9 / 11,000	2,000-11,000	864
FS-91S	14.95	27.7	24.8	1.6 / 11,000	2,000-12,000	630
FS-70S	11.50	25.8	22.0	1.1 / 11,000	2,000-12,000	570
FS-52S	8.56	23.0	20.6	0.9 / 12,000	2,300-13,000	402
FS-48S	7.89	23.0	19.0	0.8 / 12,000	2,200-12,000	412
FS-40S	6.49	21.2	18.4	0.65 / 12,000	2,200-12,000	355
FS-26S	4.41	18.5	16.4	0.41 / 11,000	2,200-12,000	260

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