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Forum: Tech Log
12th Apr 2012, 11:38
Replies: 156
Views: 51,073
Posted By aerobat77

you really beat it to death gentlemen :ouch: . ...

you really beat it to death gentlemen :ouch: .

like written above in this particular case you have to split the airframe and the engine. power by definition cannot exist without movement- without...
Forum: Tech Log
5th Apr 2012, 16:49
Replies: 156
Views: 51,073
Posted By aerobat77

you have to split two things here : propulsive...

you have to split two things here : propulsive efficiency/ power / useful work of the pure engine vs the aircraft as a whole package ( or a car or whatever elese) .

since all we know that any...
Forum: Tech Log
2nd Apr 2012, 16:11
Replies: 156
Views: 51,073
Posted By aerobat77

oggers Žn italia : do you not have more important...

oggers Žn italia : do you not have more important things to sort out in your life? :8
Forum: Tech Log
30th Mar 2012, 11:28
Replies: 156
Views: 51,073
Posted By aerobat77

ahoi ! i think the original question was...

ahoi !

i think the original question was very well answered- in turboprops the turbine ( single shaft or multishaft free turbine design) provides a high speed low torque power that has to be...
Forum: Tech Log
30th Mar 2012, 09:27
Replies: 156
Views: 51,073
Posted By aerobat77

ahoi ! so when the prop rpm was 1021 it...

ahoi !

so when the prop rpm was 1021 it would result that the herky had 1021x19600/5252 = 3810 shaft horse power per engine approved due to engine mount limitations- for all allison models.
...
Forum: Tech Log
30th Mar 2012, 00:10
Replies: 156
Views: 51,073
Posted By aerobat77

you mixed something up fella. the 19600 in/lbs...

you mixed something up fella. the 19600 in/lbs are surely the value for the propshaft- not the engine. since we know that the simple formula for calculating power from torque and rpm,s is torque ( in...
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