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).
Outlining chief dimensions for the 'Swallow' model and considering a French D.F.P. chassis as a guide.
| Identifier | WestWitteringFiles\H\January1922\ Scan24 | |
| Date | 16th January 1922 | |
| CHIEF DIMENSIONS - SWALLOW TO B.J. from R.{Sir Henry Royce} c. to CE. (ticked) c. to Hs.{Lord Ernest Hives - Chair} (ticked) c. to IP. (struck through) c. to EP.{G. Eric Platford - Chief Quality Engineer} STAMP: ORIGINAL STAMP: RECEIVED JAN 16 1922 Handwritten: X4405 Will you kindly find out which make of Chassis Sales would like us to have as a guide for the proportions of the "Swallow". We have already fixed up our chief dimensions of:- (a) HP. 11.9-12.HP - 1500 CC. 6.cyc. 2.2 bore, and 4.5 stroke. (b) Track 52". (c) Room for body behind dash 99". (d) Size of wheels 760 X 90 to 100. (e) Wheel-base 9' 6". (f) Dash-board to centre of rear axle 82.25". (g) Dash-board to centre of rear wheel 67". (h) Dash-board to back of steering wheel 32.5". (i) Height of frame from ground 19". (j) Height of Steering wheel from frame 20". We have looked over the lists and preferred a Continental one (French) but could find nothing so near our proposed schemes of construction as the smaller 10.HP. D.F.P.* I would purchase one of these with a 2 seater body for my own use if Sales think this is the best thing we could have, and Messrs. Hs.{Lord Ernest Hives - Chair} and EP.{G. Eric Platford - Chief Quality Engineer} agree after inspection. I should want it about the middle of March - it has a 4 cyl. engine which will do. I do not like the scheme of wire wheels shewn in the D.F.P. Catalogue for this chassis, and would prefer disc. Also the body must have a proper windscreen and hood which when up is attached to the windscreen, and weath- Handwritten notes: * See memos at end 10-3-22 Ev{Ivan Evernden - coachwork} to Hs{Lord Ernest Hives - Chair}, Br, DA{Bernard Day - Chassis Design} 17-3-22 R to C, BY, Hs{Lord Ernest Hives - Chair} & EP{G. Eric Platford - Chief Quality Engineer} Re evaluation of DFP re freight + windscreens | ||