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).
Modification of the 20 HP cast dash for use with a wider subframe.
| Identifier | ExFiles\Box 104\1\ scan0289 | |
| Date | 14th November 1926 | |
| X.5500 To BY.{R.W. Bailey - Chief Engineer} from DA.{Bernard Day - Chassis Design} c. to BJ. Hs.{Lord Ernest Hives - Chair} DA{Bernard Day - Chassis Design}2/M4.11.26. 20 HP. CAST DASH ETC. Since the 10,000 miles 20 HP. car is to have a subframe body we have gone over the cast dash again with a view to making it suitable for use with a subframe. Roughly it means making it 2" wider, and we send herewith N.sch. 2265 shewing what we propose. We have also dealt with the scuttle stiffener on this drawing. With reference to the floorboards would Derby kindly set out the revised 'D' type pedals suitable for the cast dash and subframe on lines similar to N.sch.1989. The object of this is to enable Hs.{Lord Ernest Hives - Chair} to make the floorboards in Derby as the coachbuilders will not be able to do so. We appreciate that you have just completed a cast dash for the standard width of dash, and we suggest that if you think too much work is involved in making another pattern for N.sch. 2265., it might be possible to add the increased width by fitting a plate to each side of the dash, either by burning or soldering, or alternatively we suggest that you might find it possible to cast one of the original cast dashes, and from it make a pattern suitable for this dash. However, as it seems likely that the majority of experimental cars at least will in future have subframes, it seems likely it will pay to make a new pattern. Would you kindly supply us with an extra print of N.sch.2265. We also wish a set of stiffener parts to be sent to Messrs.Hooper's as soon as they are available. DA.{Bernard Day - Chassis Design} | ||