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Re: Can anyone supply the dimensions of the RR Peregrine engine?

Posted by Paul McMillan on Thu May 02, 2002 05:44:10 PM

In reply top Can anyone supply the dimensions of the RR Peregrine engine? posted by Tony on Thu May 02, 2002 01:13:43 PM

Tony, have not got size but can supply the following info:

Engine data
Cylinder layout: numbers 12 cylinder banks two angle between banks 60?
Bore 5.0 in Stroke 5.0 in
Swept volume 1,296 cu in Compression ratio 6.0 to 1 Supercharger, high altitude gear ratio 9.5 to 1
Reduction gear type single spur
Reduction gear ratio 0.477 to 1
Direction of rotation, airscrew shaft right-hand
Direction of rotation, crankshaft left-hand
Weight of engine 1,140 Ib
Rated altitude 13,500 ft

Performance

International power rating 860 bhp at 2,850 rpm +63~ Ib at 13,500 ft
Maximum power rating 885 bhp at 3,000 rpm + 6.75 Ib at 15,000 ft
Maximum take-off power 765 bhp at 3,000 rpm + 6.75 Ib Minimum take-off power 650 bhp at 2,140 rpm + 6.75 Ib
Maximum climb 2,850 rpm +6.75 - 30 minute limit Maximum level flight 3,000 rpm +6.75 - 5 minute limit
Cruise power: auto rich 2,600 rpm +5 Ib boost auto weak 2,600 rpm +2 Ib boost
Maximum for 30-minute emergency 2,850 rpm +6.75 Ib
Dive (20-second limitation) 3,000 rpm + 6.75 Ib

Accessories
Magneto Two BTH C5SE-12S (driven 1.5 engine speed) Carburettor SU type AIT.32 down draught duplex
Propeller De Havilland 4/4 variable pitch 10 ft diameter Pitch range: pitch 48? coarse 48? fine 28?


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