Beechcraft C-12C Operator And Technical Reference Manual page 752

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 -22 -27
8000 -25 -31
10,000 -29 -35
12,000 -33 -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-50
MAXIMUM CRUISE POWER
TORQUE TOTAL
PER FUEL
ENGINE FLOW
qC
% LB/HR
100 930
100 906
100 882
100 858
100 834
100 814
100 794
100 780
100 768
100 760
– – – – – –
– – – – – –
– – – – – –
– – – – – –
– – – – – –
– – – – – –
– – – – – –
– – – – – –
– – – – – –
Figure 7A-46. Maximum Cruise Power, 1700 RPM, ISA – 30
1700 RPM
ISA – 30 qC
AIRSPEED
13,000 LB 12,000 LB
IAS TAS IAS
240 228 241
237 232 238
235 236 236
233 241 234
231 245 232
228 250 230
226 255 227
224 259 225
221 265 222
219 270 220
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
~
KNOTS
11,000 LB 10,000 LB
TAS IAS TAS IAS
229 242 230 242
233 239 234 240
237 237 238 238
242 235 243 236
246 233 248 234
251 231 252 231
256 228 257 229
261 226 262 227
266 224 268 225
271 221 273 222
– – – – – – – – – – – –
– – – – – – – – – – – –
– – – – – – – – – – – –
– – – – – – – – – – – –
– – – – – – – – – – – –
– – – – – – – – – – – –
– – – – – – – – – – – –
– – – – – – – – – – – –
– – – – – – – – – – – –
q
C
TAS
231
235
239
244
249
235
258
263
269
274
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –