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 between an old and a new type 40/50 exhaust system.
| Identifier | ExFiles\Box 71\2\ scan0203 | |
| Date | 18th November 1927 guessed | |
| EXHAUST SYSTEM 40/50 COMPARATIVE WEIGHTS OLD TYPE TO E.75944 NEW TYPE TO E.76449 | PIECE NO: | DESCRIPTION | NO: OFF | BULK WEIGHT (LBS) | PIECE NO: | DESCRIP: | NO: OFF | BULK WEIGHT (LBS) | |-----------|-------------------------|---------|-------------------|-----------|-------------|---------|-------------------| | U.957 | Dist:Piece | 5 | .062 | U.957 | Dist:Piece | 8 | .100 | | F.6717 | Rivet | 84 | .058 | G.95549 | Washer | 1 | .003 | | E.50610 | Nut | 1 | .062 | F.6717 | Rivet | 18 | .0126 | | E.71935 | Main Pipe | 1 | 9.000 | E.18344 | Rivet | 44 | .0308 | | E.71958 | Union Nut | 1 | .062 | E.72885 | Supp:Angle | 1 | .039 | | E.71972 | Washer | 2 | .062 | E.73156 | Sph:Washer | 1 | .680 | | L.71973 | Cone Washer | 1 | .031 | E.72903 | End Piece | 1 | .762 | | E.76089 | Pipe(with E.76086/7) | 1 | .032 | E.72904 | Sph:Nut | 1 | .531 | | E.72866 | Pipe(with E.71975) | 1 | 9.000 | E.73227 | Stud | 3 | .0375 | | E.72868 | Pipe with E.71975/7) | 1 | 6.750 | E.73228 | Trunnion | 6 | .046 | | E.72869 | Pipe(with E.72424) | 1 | 1.156 | E.73229 | Cap Nut | 6 | .046 | | E.72870 | Pipe(with E.72423) | 1 | 2.375 | E.73641 | Stud | 2 | .025 | | E.72871 | Pipe(with E.72873) | 1 | 2.140 | E.76405 | Strap | 3 | .375 | | E.72872 | Pipe(with E.50621) | 1 | .562 | E.75491 | Lagg:Clip | 8 | 2.304 | | E.72880 | Nut | 1 | .437 | E.75975 | Union Nut | 2 | .125 | | E.72881 | Washer | 1 | .031 | E.76383 | " " | 1 | .500 | | E.72885 | Angle | 2 | .078 | E.76384 | " " | 1 | .437 | | E.72887 | Angle | 1 | .046 | E.76385 | D'take Pipe | 1 | 2.562 | | E.72889 | Lagging | 1 | .750 | E.76386 | Lagg:Sheet | 1 | .375 | | E.72903 | End Piece | 1 | .762 | E.76387 | Sph:Washer | 1 | .078 | | E.73157 | Bearing | 1 | .375 | E.76388 | " " | 1 | .055 | | E.73217 | Sheet | 1 | .296 | E.76389 | Lock Plate | 1 | .015 | | E.73219 | " | 1 | .140 | E.76396 | Nipple | 1 | .062 | | E.73220 | " | 1 | .140 | E.76397 | Elbow | 1 | .2109 | | E.73221 | " | 2 | .359 | E.76398 | Ret:Pipe | 1 | .297 | | E.73222 | " | 2 | .209 | E.76400 | End Pipe | 1 | .242 | | E.73223 | " | 1 | .078 | E.76403 | Nozzle | 1 | 2.572 | | E.73224 | " | 1 | .078 | E.76406 | Packing | 3 | .047 | |-----------|-------------------------|---------|-------------------|-----------|-------------|---------|-------------------| | | Weight Carried/Fwd | - | 35.531 | | Weight Carried/Fwd | - | 12.5698 | | ||