Each Model ever built
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(1936 - 1938)
25/30 H.P., 1937, #GMO19; Hooper Sports Saloon. Hooper's Body Book shows
Rolls-Royce as having ordered this body no. 8832 to design no. is 6684. At
present the car is in the custody of a Dutch collector.
The new Rolls-Royce 25/30 hp launched in the Spring of 1936 was at
first offered as a model to be built alongside the 20/25 hp. It found a
ready market with those who appreciated the prestige of the marque and
engineering at top quality level but perhaps did not need the superior
performance of the Phantom models. An evolution of the well-proven 20/25
hp engine the capacity had been increased from 3,669 cc to 4,257 cc.
Improved performance enabled a top speed of about 75-80 mph depending on
the type of coachwork fitted. The 25/30 hp in chassis form retailed for
just £50 more than its predecessor.
6 cylinder in-line engine; cast iron cylinder block, aluminium alloy
crankcase; bore stroke 88.9 x 114.3 mm (3 1/2 x 4 1/2 in), capacity 4,257
cc; push-rod operated valves located in detachable cylinder head; single
coil ignition, stand-by coil; Borg & Beck dry plate type clutch, 4
speed gearbox in unit with engine; hypoid bevel final drive, suspension by
semi-elliptic springs front and rear; 4-wheel brakes servo-assisted,
wheelbase 3,352.8 mm (132 in); tyre size 6.00 x 19
25/30 H.P., 1937, #GMO37, Jarvis Fixedhead Coupé. The tail-lamps seem to
be a modern addition.
1201 Rolls-Royce 25/30 H.P.