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).
Notes, reports and correspondence regarding issues and tests with brake linings, primarily Raybestos and Ferodo.
| Identifier | Morton\M18\ img100 | |
| Date | 8th July 1914 guessed | |
| S of D D.R.B 'DOUBLE TROUBLE' ⑥ (Tom) * hint of asbestos fabrics * Raybestos * Ferodo to lining 1796 in RD It arrogates well Tom H says i) efficient * T.H. Harkness p.p Repair Dept. of D.R.B - only! rec/d 8-7-14 (84) new liners @ 5,000 miles. owner driver. car needs more than av. & have ground new drums up. affects. 1. inferiors. 2. central. (which can be lining now but no ways than dry phite grease, easily) Lub. & D.R.B. is both difficult & discouraged. that Raybestos linings* fitted by Wardman & Owner & pleased with satisfactory efficiency. a true prophecy ** R to letter C.I. suggest cold blast & fitted. Try other material such as 8-7-14 (85) 10.7.14 FERODO length of liners. axial, width. & up all round or on life span. when pulling up on f brake att. 1/3 Spottiswood improve positioning of actuating means circumferentially. soon as examined. Try black lead, or lubricant *** R to Bx c J.{Mr Johnson W.M.} Wor{Arthur Wormald - General Works Manager}-Na{Mr Nadin} ref. complaints - much variation 8-7-16 (86) * 1) var of quality 2) castoring 3) Dims of C1 or steel. 4) Ferodo 5) Copper a non seizing matl dig in. Rivet holes & fill with C.1. ?? End gaps of linings tend to dig in the seizing - liner Special (enormously good) Carborundum Carb. Co. Grapday. Lub. graphite a Go back to original lub/r system (small leakage in linings) Cud? Grapday let me know if any conclusion can be arrived at. Kindly put make some endeavour to lessen by PS I have sent-out X2 Wor{Arthur Wormald - General Works Manager}/Mcr to EP{G. Eric Platford - Chief Quality Engineer} - Prime 10-7-14 (87) REP. Wor{Arthur Wormald - General Works Manager} agrees in hand CJ Is HOT GINGER! 107 in to South. Wor{Arthur Wormald - General Works Manager} put EP{G. Eric Platford - Chief Quality Engineer} in the Hot 'DOUBLE TROUBLE' CJ now considers DRB of importance. 8 sets of 2p. have been fitted on that a repeated verbal & written request of Rimmon 15 mths{Reg Matthews} ago & all the q'uo not yet received any from you. Two weeks for the other 3 1 wk ago - no report yet. him up by progress. I hear from 3 o'clock my report EP{G. Eric Platford - Chief Quality Engineer} to Wor{Arthur Wormald - General Works Manager} in reply, 8 sets thro' normal test - 10-7-14 (88) clear end of wear out excessively fast wear, compare DRB & Central etc etc. Report SA. Car handene a car RT today but no report from Radley on yet. Hr, 1,000 miles - Wear glass. Squeaks! Kenworth from Waldron, Blackshaw, WA.{Mr Wallis} SAP *** X2 Wor{Arthur Wormald - General Works Manager}/Mcr to Hanen wearing out. Hy{Tom Haldenby - Plant Engineer} R not able 10-7-14 (89) (3) av. analysis of R.B. Exp & result exp with cyl or brake drums. Not so eff. @ low. Pealfords report on there. 8 sets on test. td now being fitted in obtained from Wm Mills exp o Req o Exp more ref noise - 10% less A 30 effective, quieter also. L.S. squeak. | ||