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).
Table of dimensions for 'Aerolite' pistons taken before and after 10,000-mile trials.
| Identifier | ExFiles\Box 86\2\ scan0257 | |
| Date | 19th September 1939 | |
| B.7. UNIT. DIMENSIONS OF 'AEROLITE' PISTONS TAKEN PRIOR TO & AFTER 10000 MILES TRIALS. TABLE OF DIMENSIONS | | WHEN DIMS. WERE TAKEN | RING LANDS | | | SKIRT | | RING LANDS | | | SKIRT | | |---|---|---|---|---|---|---|---|---|---|---|---|---| | | | A | B | C | D | E | F | G | H | I | J | K | | 1 | PRIOR TO 10000 MILES | 3.2312 | 3.231 | 3.2303 | 3.2324 | 3.2329 | 3.2317 | 3.231 | 3.230 | 3.2463 | 3.2475 | 3.2484 | | | AFTER 10000 MILES | 3.2311 | 3.231 | 3.2303 | 3.2322 | 3.2329 | 3.2317 | 3.231 | 3.230 | 3.2463 | 3.2473 | 3.2481 | | 2 | PRIOR | 3.2328 | 3.2324 | 3.2322 | 3.2326 | 3.233 | 3.2333 | 3.2325 | 3.232 | 3.247 | 3.2477 | 3.2487 | | | AFTER | 3.2325 | 3.2322 | 3.2322 | 3.2324 | 3.2328 | 3.2333 | 3.2322 | 3.2318 | 3.2463 | 3.2475 | 3.2487 | | 3 | PRIOR | 3.2308 | 3.2302 | 3.2306 | 3.2325 | 3.2339 | 3.2311 | 3.231 | 3.2303 | 3.2467 | 3.2473 | 3.2482 | | | AFTER | 3.2306 | 3.2302 | 3.2302 | 3.2325 | 3.2339 | 3.2311 | 3.2302 | 3.2301 | 3.2461 | 3.247 | 3.2481 | | 4 | PRIOR | 3.232 | 3.232 | 3.232 | 3.2331 | 3.2336 | 3.2331 | 3.2323 | 3.2319 | 3.2471 | 3.2478 | 3.2488 | | | AFTER | 3.232 | 3.232 | 3.232 | 3.2331 | 3.234 | 3.2331 | 3.2322 | 3.2318 | 3.2467 | 3.2475 | 3.2487 | | 5 | PRIOR | 3.2329 | 3.2329 | 3.2329 | 3.2323 | 3.2329 | 3.2336 | 3.2325 | 3.2318 | 3.2477 | 3.2478 | 3.2488 | | | AFTER | 3.233 | 3.2329 | 3.2328 | 3.2323 | 3.2331 | 3.2336 | 3.2326 | 3.232 | 3.2477 | 3.2478 | 3.2488 | | 6 | PRIOR | 3.2305 | 3.2308 | 3.231 | 3.2321 | 3.2338 | 3.2311 | 3.231 | 3.2308 | 3.2468 | 3.2472 | 3.2484 | | | AFTER | 3.2305 | 3.2308 | 3.231 | 3.2321 | 3.2341 | 3.2311 | 3.2308 | 3.2308 | 3.2463 | 3.247 | 3.2481 | DIMENSIONS TAKEN AT POSITIONS SHEWN STAMPED TEXT: ROLLS-ROYCE, LTD PRINT ROOM SEP 19 1939 DERBY | ||