Fareastdriver (my #8271),
A fair cop, Guv ! (looked up JSL [what a treasure that site is !] and lifted) :
Page 30 50. Engine Limitations-Goblin 3
Para. 50
A.L.3
Power Rating......Time limit.......R.P.M...........J.p.t. °C
Take-off............†15 mins.......10,750*.........710
Intermediate......†20 mins.......10,350...........660
Max. Continuous Unrestricted...10,250...........650
Ground Idling.....Unrestricted...3,000±200.....600
Operation at speeds between 8,150 and 8,650 r.p.m. and at 10,500 r.p.m must be kept to an absolute minimum.
Above 25,000 feet maximum r.p.m. must not exceed 10,350.
NOTE: *In R.A.F. use, max. r.p.m. are restricted to 10,650.
†In R.N. use, these time limits are 5 mins. and 30 mins. respectively.
Dunce's cap on, standing in corner......,
Danny.