Alterations to dampers and the results after two separate mileage tests.
| Identifier | ExFiles\Box 5a\3\ 03-page283 | |
| Date | 13th June 1933 guessed | |
| - 4 - ALTERATIONS TO DAMPERS (ready for running on the 9th) NEAR SIDE FRONT Not altered, retains gland packing made of asbestos and graphite. Oil level brought up to top of filler plug. OFF SIDE FRONT Not altered, retains asbestos gland packing impregnated with tallow, and increased air capacity cover. Oil level brought up to top of filler plug. NEAR SIDE REAR Air vent stopped up. Standard bronze washer and gland fitted, gland packing made of asbestos and graphite OFF SIDE REAR Air vent remains stopped up. Wedge shaped bronze washer, gland packing made of asbestos and graphite. RESULT AFTER DAY'S MILEAGE OF 508 N.S.F. lost 5 cc. O.S.F. lost 8 cc. N.S.R. lost 6 cc. O.S.R. lost 11 cc. ALTERATION TO DAMPERS (ready for running on the 10th) NEAR SIDE FRONT Not altered, condition as on the 9th OFF SIDE FRONT Ditto. NEAR SIDE REAR Wedge shaped bronze washer fitted, air vent replaced, gland packing 3 ply asbestos impregnated with tallow. OFF SIDE REAR Not altered, condition as on the 9th. RESULT AFTER DAY'S MILEAGE OF 500. N.S.R. lost 2 cc. O.S.R. lost 13 cc. N.S.F. lost 2 cc. O.S.F. lost 3 cc. | ||
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).