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).
Report on the weight capacity and quantity of bonnet catch springs.
| Identifier | ExFiles\Box 25\1\ Scan074 | |
| Date | 9th February 1915 | |
| Wor{Arthur Wormald - General Works Manager}/Mcr11/L9215. Re Bonnet Catch Springs. E.{Mr Elliott - Chief Engineer} 9.2.15. Na.{Mr Nadin}c. With reference to your memo E2/G12115, kindly note Mr Hives reports as follows :- "The average weight of the bonnet springs on "49GB will hold up is 14 to 15 lbs, on a "standard chassis these springs hold 4 to 5 lbs. "On the standard bonnet there are 4 springs "instead of three as on 49GB." Mcr. | ||