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).
Comparative weight analysis document for old and new type 40/50 exhaust systems.
| Identifier | ExFiles\Box 71\2\ scan0204 | |
| Date | 14th December 1927 guessed | |
| -2- EXHAUST SYSTEM 40/50 COMPARATIVE WEIGHTS OLD TYPE TO E.75944 Weight Brought Forward - 35.131 | Part No. | Description | Qty | Weight (lbs) | |---|---|---|---| | E.73225 | Strap | 1 | 1.617 | | E.73226 | Packing | 1 | .218 | | E.73227 | Stud | 1 | .175 | | E.73218 | Sheet | 1 | .296 | | E.73228 | Trunnion | 28 | .2184 | | E.73229 | Cap Nut | 28 | .218 | | E.{Mr Elliott - Chief Engineer} 696 | Cover | 1 | 1.000 | | E.75683 | Shell | 1 | 13.000 | | E.73309 | Choke Valve | 1 | .500 | | E.75491 | Clip | 5 | 1.440 | | | Asbestos Rope | | 1.718 | TOTAL WEIGHT - 55.5314 lbs NEW TYPE TO E.76449 Weight Brought Forward - 12.5698 | Part No. | Description | Qty | Weight (lbs) | |---|---|---|---| | E.76407 | Washer | 1 | .031 | | E.76410 | Supply Pipe | 1 | .142 | | E.76411 | Union Nut | 1 | .093 | | E.76424 | Supp: Arm | 1 | .047 | | E.76425 | Cover | 1 | 3.500 | | E.76426 | Lagging | 1 | 1.250 | | E.76427 | Shell | 1 | 6.906 | | E.76428 | Stiff: Plate | 1 | .178 | | E.76377 | Front Pipe | 1 | 2.687 | | E.76378 | Rear Pipe | 1 | 12.953 | | E.75954 | Union | 1 | .171 | | E.75682 | Pocket | 1 | .225 | | E.76404 | Ejector Outlet | 1 | 1.625 | | | Asbestos Rope | 1 | 1.625 | | E.76414 | Stiff: plate | 1 | .051 | | E.76413 | Supp: Angle | 1 | .046 | | E.76412 | " " | 1 | .046 | TOTAL WEIGHT - 44.1458 WEIGHT OF STANDARD EXHAUST SYSTEM - 55.5314 lbs. WEIGHT OF NEW EXHAUST SYSTEM (SINGLE DOWNTAKE) - 44.1458 lbs. DIFFERENCE IN WEIGHT...... - 11.3856 lbs. | ||