Helicopter HP/kg: Difference between revisions
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*10 lb per hp - this specifies 130 HP for 1300 lb weight [https://shop.robinsonheli.com/r22-beta-ii-helicopter/]. 260 lb engine [https://www.google.com/search?q=Lycoming+O-360+weight&oq=Lycoming+O-360+weight&gs_lcrp=EgZjaHJvbWUyBggAEEUYOdIBCDI5OTRqMGo0qAICsAIB&sourceid=chrome-mobile&ie=UTF-8] 1300 lb total weight. | *10 lb per hp - this specifies 130 HP for 1300 lb weight [https://shop.robinsonheli.com/r22-beta-ii-helicopter/]. 260 lb engine [https://www.google.com/search?q=Lycoming+O-360+weight&oq=Lycoming+O-360+weight&gs_lcrp=EgZjaHJvbWUyBggAEEUYOdIBCDI5OTRqMGo0qAICsAIB&sourceid=chrome-mobile&ie=UTF-8] 1300 lb total weight. | ||
*7 lb/HP - [https://en.m.wikipedia.org/wiki/Sikorsky_S-76] | *7 lb/HP - [https://en.m.wikipedia.org/wiki/Sikorsky_S-76] | ||
*5 lb/HP for heavy cargo of 10 tons [https://en.m.wikipedia.org/wiki/Sikorsky_CH-54_Tarhe] | *5 lb/HP for heavy cargo of 10 tons [https://en.m.wikipedia.org/wiki/Sikorsky_CH-54_Tarhe]. 2000 lb engine weight to 50000 lb gross [https://en.m.wikipedia.org/wiki/Pratt_%26_Whitney_T73] - engine weight to lift power is more favorable. | ||
*It seems that multirotors are favored for better lift/HP. Heavy ones lose their efficiency? | *It seems that multirotors are favored for better lift/HP. Heavy ones lose their efficiency? | ||
Revision as of 22:53, 2 June 2024
- 10 lb per hp - this specifies 130 HP for 1300 lb weight [1]. 260 lb engine [2] 1300 lb total weight.
- 7 lb/HP - [3]
- 5 lb/HP for heavy cargo of 10 tons [4]. 2000 lb engine weight to 50000 lb gross [5] - engine weight to lift power is more favorable.
- It seems that multirotors are favored for better lift/HP. Heavy ones lose their efficiency?