Revised A
17
6301
3. Technical characteristics (continued)
3.2 Working characteristics (continued)
Turbine drive air consumption UNLOADED (relative to bellcup used)
Rev
(k Rpm)
Vortex
bellcup
(L/min.)
Negative edge
bellcup
(L/min.)
Bearing air
(L/min.)
15
40
77
85
20
51
106
85
30
85
165
85
35
94
192
85
40
120
234
85
45
145
275
85
50
180
330
85
30
40
50
20
10
0
0
50
100
150
200
250
300
350
DES01227
Vortex bellcup
Negative edge
bellcup
Bearing air
Air
fl
o
w
L/min.
K rpm (K tr/mn)