Beechcraft C-12C Operator And Technical Reference Manual page 764

TM 1-1510-218-10
NOTES: IOAT, TORQUE, AND FUEL FLOW BASED ON 12,000 POUNDS.
TO OBTAIN FUEL FLOW PER ENGINE, DIVIDE THE TOTAL FUEL FLOW VALUE FOR THE
CORRESPONDING ALTITUDE BY TWO.
PRESSURE
IOAT OAT
ALT
qC
FEET
SL
-10 -15
2000
-14 -19
4000
-18 -23
6000
-21 -27
8000
-25 -31
10,000
-29 -35
12,000
-32 -39
14,000
-36 -43
16,000
-40 -47
18,000
-44 -51
20,000
– – – – – –
22,000
– – – – – –
24,000
– – – – – –
26,000
– – – – – –
28,000
– – – – – –
29,000
– – – – – –
31,000 – – – – – –
33,000 – – – – – –
35,000
– – – – – –
7A-62
NORMAL CRUISE POWER
TORQUE TOTAL
PER FUEL
ENGINE FLOW
qC
% LB/HR
98 962
100 946
100 920
100 896
100 874
100 854
100 834
100 820
100 808
100 798
– – – – – –
– – – – – –
– – – – – –
– – – – – –
– – – – – –
– – – – – –
– – – – – –
– – – – – –
– – – – – –
Figure 7A-58. Normal Cruise Power, 1800 RPM, ISA – 30
1800 RPM
ISA – 30 qC
AIRSPEED
13,000 LB 12,000 LB
IAS TAS IAS
244 232 244
243 237 244
241 242 241
238 246 239
236 251 237
233 255 235
231 260 232
229 266 230
226 271 228
224 276 225
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
~
KNOTS
11,000 LB 10,000 LB
TAS IAS TAS IAS
232 244 232 244
238 244 238 244
243 242 243 243
247 240 248 241
252 238 253 239
257 236 258 236
262 233 263 234
267 231 268 232
272 229 273 230
278 226 279 228
– – – – – – – – – – – –
– – – – – – – – – – – –
– – – – – – – – – – – –
– – – – – – – – – – – –
– – – – – – – – – – – –
– – – – – – – – – – – –
– – – – – – – – – – – –
– – – – – – – – – – – –
– – – – – – – – – – – –
q
C
TAS
232
238
244
249
254
259
264
269
275
280
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –