Instructions for an endurance test on 'Ferrogrip' belts for a Bentley 111 fan and spring drive assembly.
| Identifier | ExFiles\Box 99\3\ scan0009 | |
| Date | 25th May 1938 | |
| H.P.S. c. Rm. {William Robotham - Chief Engineer} c. Rm {William Robotham - Chief Engineer} /Std. 424 BY {R.W. Bailey - Chief Engineer} /Ald. {F. Allwood - Experimental Design} 15/G.25.5.38. BENTLEY 111. FAN. SECTION 5220. SPRING DRIVE " 5020. RE: ENDURANCE TEST ON "FERROGRIP" BELTS. In accordance with memo Rm {William Robotham - Chief Engineer} /Std.12/MH. {M. Huckerby} 17.5.38. asking for Ph.111 Fan to be used, together with parts called for on memo BY {R.W. Bailey - Chief Engineer} /Ald. {F. Allwood - Experimental Design} 11/G.30.4.38. Please note this job should be built up as follows :- Section 5220. All parts to LOP. EW.1776, except the following :- E.89255 Blade 5 off replaces EW.1514. Ex.S.711 Hub 1 off ) Ex.S.709 Pulley 1 off ) " EW.1548. Ex.S.710 Adjusting Bracket 1 off " EW.1772. The Ferrogrip belt supplied by Rm {William Robotham - Chief Engineer} /Std. replaces EW.1775. SECTION 5020. Ex.S.708 Fan Pulley 1 off replaces EW.1520. All other pieces to LOP EW.1423. Kindly instruct as above and fit to B.111 No.5 unit. Ald {F. Allwood - Experimental Design} BY {R.W. Bailey - Chief Engineer} /Ald. {F. Allwood - Experimental Design} | ||
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).