A.P.4347F-P.N.
Pilot's Notes
PART II
LIMITATIONS
55. Engine limitations-Avon 203
(a)
Power rating |
Time limit |
R.p.m. |
J.p.t. °C. |
*Take-off and Operational Necessity |
10 mins. (combined) |
8,000±50 |
685 |
Intermediate |
30 mins. |
7,800 |
660 |
Max. continuous |
Unrestricted |
7,600 |
630 |
Approach idling |
- |
4,500 (min) |
- |
Ground idling |
Unrestricted |
AL.1 2,500 (min.) ±200 |
- |
*During climbs on the governor the governed speed maybe
permitted to rise to 8,100 r.p.m. J.p.t. may be exceeded during
hot re-slam accelerations and may be allowed to rise to 740°C
for a period not exceeding 10 seconds.
(b) Airspeed limitations
The engine is subject to the following airspeed limita-
tions at 8,000 r.p.m.
Temperature °C |
Max. S/L Mach. No. |
Min. alt. for 1.0M |
Min. alt. for 1.2M |
-20 |
1.13 |
Sea Level |
3,000 ft. |
+15 |
1.0 |
Sea Level |
8,500 ft. |
+35 |
0.82 |
7,000 ft. |
15,500 ft. |
47
|