PPRuNe Forums - View Single Post - Bell 206: JetRanger and LongRanger
View Single Post
Old 1st Mar 2005, 16:06
  #461 (permalink)  
Aesir
 
Join Date: Mar 2002
Location: Iceland
Age: 58
Posts: 814
Received 1 Like on 1 Post
In the S-300C it is quite obvious that you can lift out of a tight spot by increasing the ERPM to 3200 instead of 3100 ERPM with same or less M.P.

If the Limit M.P. for the day is say 23" you can lift more by increasing the ERPM momentarily during take off to 3200 and still be within the 190 hp power limit. Are the above posts saying that I'm actally not pulling 190 hp @ 3100Erpm and 23" (MPL for the situation) but rather less HP and first when I reach 3200Erpm and 23" (absolute limit) then I'm pullin the whole 190 HP from the engine?

If I increase Rrpm by 10% I thought I would get 20% more lift out of it. Right? But is this 20% more lift then costing 10 or 20% more horsepower to make?

Also me experience is that by beeping up the NR to just above the 100% (manufactures often allow 101-2% NR) then I can easily lift a load I was unable to lift before at a lower NR setting.

Maybe theoretically you are using more horsepower but you are not busting any limits and still getting the job done!
Aesir is offline