Beechcraft C-12C Operator And Technical Reference Manual page 666

TM 1-1510-218-10
NOTE: TO OBTAIN FUEL FLOW PER ENGINE, DIVIDE THE TOTAL FUEL FLOW VALUE FOR THE
CORRESPONDING ALTITUDE BY TWO.
PRESSURE IOAT OAT TORQUE
ALT
qC
FEET
SL 0
2,000 -4
4,000 -7
6,000 -11
8,000 -15
10,000 -19
12,000 -22
-26
14,000
16,000 -30
18,000 -33
20,000 -38
22,000 -42
24,000 -46
26,000 – – – – – –
28,000 – – – – – –
29,000 – – – – – –
31,000 – – – – – –
33,000 – – – – – –
35,000 – – – – – –
Figure 7-50. Recommended Cruise Power, 1800 RPM, ISA – 20
7-54
RECOMMENDED CRUISE POWER
1800 RPM
ISA – 20 qC
FUEL FLOW
PER TOTAL
ENGINE
qC
% LB/HR
-5 100 972
-9 100 946
-13 100 920
-17 100 898
-21 100 880
-25 100 862
-29 100 846
-33 100 836
-37 100 828
-41 97 798
-45 90 740
-48 84 692
-52 78 642
– – – – – –
– – – – – –
– – – – – –
– – – – – –
– – – – – –
– – – – – –
AIRSPEED ~ KNOTS
@12,000 LB @11,000 LB
IAS TAS IAS
244 237 245
242 241 243
240 246 241
237 250 238
235 255 236
233 260 234
231 265 232
228 270 229
226 276 227
220 278 222
212 276 213
203 273 205
195 270 197
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
@10,000 LB
TAS IAS TAS
238 246 238
242 244 243
246 241 247
251 239 252
256 237 257
261 235 262
266 233 267
272 230 273
277 228 578
279 223 281
278 215 279
276 207 278
273 199 276
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
– – – – – – – – –
q
C