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).
Wear measurements on shackle-pins and spring eye bushes after tests in France.
| Identifier | ExFiles\Box 83\2\ scan0038 | |
| Date | 22th May 1934 | |
| WEAR ON SHACKLE-PINS AFTER TESTS IN FRANCE L.B.W VIEW SHOWING WEAR REAR SPRINGS LO. P. F.{Mr Friese} B. 994 MILEAGE 16,000 F.100114 FRONT SHACKLE PINS F.100084 REAR " " F.100113 FRONT BUSHES F.100082 REAR " WEAR IN SPRING EYE BUSHES. N.S. FRONT WEAR ON DIA 'A' .004" WEAR ON DIA 'B' .0085" TOTAL WEAR IN WASHERS .005" REAR. WEAR ON DIA 'A' .007" WEAR ON DIA 'B' .0085" TOTAL WEAR IN WASHERS .0025" O.S. FRONT. WEAR ON DIA 'A' .001" WEAR ON DIA 'B' .002" TOTAL WEAR IN WASHERS .002" REAR WEAR ON DIA. 'A' .007" WEAR ON DIA. 'B' .006" TOTAL WEAR IN WASHERS .004" N.S. FRONT WEAR ON DIA 'A' .005" WEAR ON DIA 'B' .005" CLEARANCE BETWEEN PIN AND BUSH (MAX) .0175" REAR. WEAR ON DIA 'A' .011" WEAR ON DIA 'B' .012" MAX. CLEARANCE BETWEEN PIN & BUSH .0245" O.S. FRONT. WEAR ON DIA 'A' NIL WEAR ON DIA 'B' NIL MAX CLEARANCE BETWEEN PIN & BUSH .006" REAR. WEAR ON DIA 'A' .008" WEAR ON DIA 'B' .012" MAX CLEARANCE BETWEEN PIN & BUSH .021" REAR TOP PINS N.S. WEAR ON DIA 'A' .0055" WEAR ON DIA 'B' .0095" O.S. WEAR ON DIA 'A' .0055" WEAR ON DIA 'B' .0145" REAR TOP BUSHES N.S. WEAR ON DIA 'A' .013" WEAR ON DIA 'B' .013" O.S. WEAR ON DIA 'A' .010" WEAR ON DIA 'B' .024" SIDE CLEARANCE ON O.S. APPROX. .025", N.S. .010". 22/5/34 CAW | ||