TM 55-1510-220-10
c.
The associated conditions define the specific
conditions from which performance parameters have
been determined. They are not intended to be used as
instructions; however, performance values determined
from charts can only be achieved if the specified
conditions exist.
d.
The full amount of usable fuel is available for all
approved flight conditions.
e.
Notes have been provided on various graphs
and tables to approximate performance with ice vanes
extended. The effect will vary, depending upon
airspeed, temperature, altitude, and ambient conditions.
At lower altitudes, where operation on the torque limit is
possible, the effect of ice vane extension will be less,
depending upon how much power can be recovered
after the ice vanes have been extended.
7-17. PERFORMANCE AMENDMENTS FOR THE RC-
12G AIRCRAFT.
The performance charts in this section are amended as
follows:
a.
Power Tables. Indicated airspeed IAS values
shown are invalid on all power tables except Maximum
Cruise Power @ 1700 RPM and One-Engine-
Inoperative Maximum Cruise Power @ 1900 RPM.
b.
Maximum Cruise Power @ 1900 RPM Tables.
Decrease true airspeed by 11 KTAS.
c.
Maximum Cruise Speeds @ 1900 RPM Graph.
Decrease true airspeed by 11 KTAS.
d.
Maximum Range Power @ 1700 RPM Tables.
Decrease true airspeed by 9 KTAS and decrease torque
setting by 1 percentage unit.
e.
All Range Profile Graphs. Decrease range
values by 5%.
f.
Maximum Endurance Power @ 1700 RPM
Tables. Increase fuel flow by 10 pounds per hour per
engine, and increase torque setting by 0 percentage
units.
Change 2 7-7
