Light Engine Weights

Really Light Engines (below 25 kg/55 lbs)
Manuf's/Type	Cyl.	Cycl.	Cubic	Power	Weight	Power/Weight
Raket 120	1 cyl	2-stroke	118.5 cm3	14.1 hp	6.8 kg (15 lbs)	0.94 hp/lbs
Solo 210	1 cyl	2-stroke	210 cm3	14-20 hp	12 kg (26.4 lbs)	0.53-0.76 hp/lbs
Lark	1 cyl	2-stroke	?	14-20 hp	12 kg (26.4 lbs)	0.53-0.76 hp/lbs
JPX D-320	2 op.	2-stroke	320 cm3	24 hp @ 7000	15.5 kg (34.2 lbs)	0.70 hp/lbs
Hirth F-33	1 cyl	2-stroke	312 cm3	22 hp @ 5200	? kg (35 lbs)	0.63 hp/lbs
König SC 430	3 rad	2-stroke	430 cm3	24 hp	16 kg (35.3 lbs)	0.68 hp/lbs
König SD 570	4 rad	2-stroke	570 cm3	28 hp	18.5 kg (41 lbs)	0.68 hp/lbs
Hirth F-33 spec. exh.	1 cyl	2-stroke	312 cm3	31 hp	22 kg (47 lbs)	0.64 hp/lbs
Zenoah G25B-1	1 cyl	2-stroke	?	22 hp @ 6600	24 kg (53 lbs)	0.42 hp/lbs
Limbach	2 op	2-stroke	? cm3	? hp	? kg (? lbs)	? hp/lbs

Light Engines (above 25 kg/55 lbs)
Manuf's/Type	Cyl.	Cycl.	Cubic	Power	Weight	Power/Weight
Kawasaki 440-A	2 op	2-stroke	440? cm3	35 hp	? kg (70 lbs)	0.50 hp/lbs
Mid-West GAE 50 R	1 rotor	rotary	294 cm3	50 hp	33 kg (72.6 lbs)	0.68 hp/lbs
Wankel Rotary LCR-407 SG	1 rotor	rotary	407 cm3	35 hp @ 6000	36 kg (79.2 lbs)	0.44 hp/lbs
Rotax 227	1 cyl	2-stroke	268.7 cm3	25 hp	? (75 lbs)	0.34 hp/lbs
Hirth F-23	2 op	2-stroke	521 cm3	40 hp @ 5500	? kg (87 lbs)	0.46 hp/lbs
Hirth 2702	2 inl	2-stroke	521 cm3	40 hp @ 5500	? kg (87 lbs)	0.46 hp/lbs
Rotax 447	2 op	2-stroke	436.5 cm3	40 hp	? (89.5 lbs)	0.45 hp/lbs
Rotax 503	2 op	2-stroke	496.7 cm3	46 hp	? (100 lbs)	0.46 hp/lbs
Rotax 582	2 op	2-stroke	580.7 cm3	65 hp	? (111.6 lbs)	0.58 hp/lbs
2SI	1 cyl	2-stroke	?	?	?	? hp/lbs
Briggs & Stratton Vanguard	2 90°V	4-stroke	? cm3	20 hp	? kg	? hp/lbs
Wankel Rotary LCR-814 TG	twin rotor	rotary	814 cm3	65 hp @ 6000	48.5 kg (106.7 lbs)	0.61 hp/lbs
HPower HKS-700E	2 op	4-stroke	? cm3	60 hp	?kg (116 lbs)	0.52 hp/lbs

Warning! Materials and ideas listed here are in part unproven and may be hazardous to use in the construction of experimental hot air balloons and airships. Building and flying experimental aircraft involves significant risk and may lead to serious injury or death. Always obtain professional advice when building or flying human-carrying balloons and airships!

Site

- About

- Contact

- Map/Search

General

- Airship FAQ

- News

- EBAA

Technology

- Hot Airships

- Solo Balloons

- Homebuilding

- RC Blimps

Reference

- Directory

- Manufacturers

- Organizations

- References

- Links