From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
List of proposed modifications for the Phantom Sports model after a 10,000-mile test in France.
| Identifier | WestWitteringFiles\R\October1927-December1927\ Scan006 | |
| Date | 5th October 1927 | |
| - BY.{R.W. Bailey - Chief Engineer} HS.{Lord Ernest Hives - Chair} } FROM R.{Sir Henry Royce} C. to BJ. WOR{Arthur Wormald - General Works Manager} ORIGINAL PHANTOM - SPORTS AND NEXT 10,000 MILES IN FRANCE. V4663 V8774 V8940L Nearly all the modifications detailed below are intended to become standard as soon as they are proved worthy, so that stocks of all the parts affected should be kept low - (1) VITAL. Absolutely necessary changes for the safety, and reputation, of a car for higher speeds. (a) New crankshaft. } Put up crank (b) New pistons. } period & reduce (c) New con. rods. } stress. (d) New damper flywheel & spring drive (G.1. principle.) (e) Cast iron cyl. blocks to replace existing dry liner blocks. (f) Double valve springs with modified gland. (g) Mechanically operated vacuum pump for petrol feed. (h) Battery ignition with scrubbing and umbrella rotor. (i) 58" track, standard 21" well-base rims for 6.75" tyres. (j) Radiator of thinner type, shorter tubes, neater dimensions, integral shutters. (k) Altered front & rear springs, lowering the car. (l) Increased rake of steering. (m) Slight corresponding modification to pedals and floorboards. (n) Lightened flywheel. (o) Stronger clutch brake (means new clutch casing.) (p) Cast dashboard. (q) Axle control on front. (r) Hydraulic and friction dampers fore and aft. (s) Valances in place of tiebars. (t) 16 or 17 tooth axle. (u) Wheel carrier at rear. (1) | ||