POH powerplant limitations (section 2) Flashcards
what is the maximum torque for normal operation at max power?
101.4% (if exceeded refer to maintenance manual)
what is the max ITT at maximum power?
923 degrees centrigrade
what is the maximum ITT for RPM below 99%?
885 degrees centigrade (except during starting)
what is max RPM at max power?
101% (maximum continuous RPM)
what is the permitted range of oil pressure at max power?
70-120 psi
what is the permitted range of oil temperature at max power?
55-110centigrade continuous
110-127 centigrade for 5 minutes
what is the permitted RPM range at flight idle?
96-100%
what is the permitted oil pressure range at flight idle?
70-120 psi
what is the permitted oil temperature range at flight idle?
55-110 centigrade continuous
110-127 centigrade for 5 minutes
what is the permitted RPM for ground idle?
67% minimum sustained
what is the permitted oil pressure range at ground idle?
40-120psi (transients below 40 psi are permitted)
what is the permitted oil temperature range at ground idle?
-40 - +110 centigrade continuous
110-127 for 5 minutes
what is the permitted RPM for maximum reverse?
93% minimum when landing, 94.5% minimum when static
what is the permitted oil pressure for maximum reverse?
70-120 psi
what is the permitted oil temperature for maximum reverse?
55 to 110 centigrade continuous
1110 to 127 for 5 minutes
what is the max torque for max reverse (static)
50%
what is the max ITT for starting?
1149 centigrade for 1 second
what is the permitted oil temperature for starting?
-40 to 127 degrees continuous
what is the max RPM when the prop is windmilling?
0-5% continuously
5-10% for 30 mins
10-18% for 5 mins
18-28% (do not allow windmilling in this range longer than time required to transition through this speed range)
28-100% for 1 minute
when can we operate at 18-28% RPM?
transients occurring during engine start and shutdown
what is minimum RPM during flight?
96%
what is max continuous RPM for normal operation?
101% continuous
101-101.4% for 5 minutes
- 5- 105.5% for 30 seconds
- 6- 106% for 5 seconds
never exceed 106%
what is minimum oil temperature for starting and ground operation?
-40 centigrade. if below this preheat oil before start
what is minimum oil temperature for takeoff and flight?
55 centigrade
what is minimum oil temperature for an air start?
4 centigrade