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 to The National Smelting Company regarding specifications for a Cadmium-Nickel Bearing Alloy.
| Identifier | ExFiles\Box 115\1\ scan0220 | |
| Date | 18th December 1936 | |
| 1620 (Experimental Dept.) Rm{William Robotham - Chief Engineer}5/R.{Sir Henry Royce} 18th December, 1936. The National Smelting Company, St.{Capt. P. R. Strong} Andrew's Road, AVONMOUTH. Dear Sirs, We understand from the Ford Motor Co. that you are supplying Cadmium-Nickel Bearing Alloy in steel shells to, approximately, the following specification:- Asarcoloy No.7. Brinell hardness at ...... 82 deg.F. 33 " " " ......212 " F.{Mr Friese} 22 " " " ......390 " F.{Mr Friese} 7 Yield point in tension lbs./sq.in .. 11,700 Elongation at ............ 82 deg.F. 19 " " ............212 " F.{Mr Friese} 36 " " ............390 " F.{Mr Friese} 111 Reduction of area at ..... 82 " F.{Mr Friese} 43 " " " " .....212 " F.{Mr Friese} 52 " " " " .....390 " F.{Mr Friese} 76 Compression strength (10% reduction in gauge length) lbs.sq.in. at ................ 82 deg.F. 21,800 " ................212 " F.{Mr Friese} 14,300 " ................390 " F.{Mr Friese} 4,400 We shall be glad to know whether you are prepared to make up experimental Chassis bearings for us. Yours faithfully, For ROLLS-ROYCE LTD. | ||