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).
Letter from Adamant Engineering regarding the failure of a '410' type Steering Gear and recommending a Needle type Roller.
| Identifier | ExFiles\Box 153\2\ scan0281 | |
| Date | 12th April 1937 | |
| 1300 / 1 AD FORM 93. Telegrams: "ADAMANT, Phone, Luton." CONTRACTORS TO H.M. ADMIRALTY, WAR OFFICE & AIR MINISTRY. Telephone: LUTON 2663 (3 LINES). ADAMANT ENGINEERING COMPANY, LIMITED (Incorporating J. {Mr Johnson W.M.} C. THREADGOLD & SONS. Established 1878.) Engineers and Founders. SPECIALISTS in the DESIGN and MANUFACTURE of HIGH PRECISION TOOLS, JIGS, FIXTURES, etc. SPECIAL MACHINES, SPECIAL MACHINE TOOLS and ACCURATE PRODUCTION WORK. SOLE MANUFACTURERS and SALES AGENTS for the MARLES and MARLES-WELLER STEERING GEARS. Directors: F. {Mr Friese} G. {Mr Griffiths - Chief Accountant / Mr Gnapp} MATRAVERS, M.A. (CANTAB), A.M.I.MECH.E., A.M.I.E.E., M.I.A.E., M.I.P.E. CARLTON SMITH, M.A. (CANTAB). F.I.S.A., M.I.P.E., Secretary. FRED SLATTER, M.I.E.E. J. {Mr Johnson W.M.} W. HAZEL, F.I.S.A. Your Ref. Our Ref. SERVICE:FWJ Head Offices, Works and Design Dept.: DALLOW ROAD, LUTON. 12th April, 1937. Messrs.Rolls-Royce,Limited, DERBY. FJH {Fred J. Hardy - Chief Dev. Engineer} For the attention of Mr.Hardy, Experimental Dept., Dear Sirs, "410" type Steering Gear. Referring to your telephone call of this afternoon when you advised that the Roller, due to the failure of the balls, had again failed in the experimental Steering Gear of the above size. As mentioned on the telephone, we do not recommend the ball type Roller in this size Steering Gear, neither does America, and it is only the Vauxhall people who take the ball type Roller. However, they, at our request, are trying out the Needle type Roller and there is every indication that they will be immediately turning over to the Needle type. Vauxhall to date have had between 2,500 and 3,000 Steering Gears of this size and the failures due to this fault total three, naturally quite sufficient to cause them some concern; hence the reason for them giving consideration to the Needle type at our recommendation. As far as we can see, there should be no Contd..... | ||