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).
Blueprint of a left-hand steering assembly with a ratio of 20.25 to 1.
| Identifier | ExFiles\Box 28\3\ Scan065 | |
| Date | 1st May 1939 | |
| IMPORTANT NOTE: SWAB WORM ROLLER, RACES AND WORM THREAD WITH GREASE APPROVED BY ENGINEERING DEPT. BEFORE ASSEMBLING. GEARS TO BE SHIPPED WITHOUT FILLING HOUSING WITH GREASE. FOR LEFT HAND STEERING RATIO 20.25 TO 1 SWAB SHAFT WITH GREASE APPROVED BY ENGINEERING DEPT. BEFORE ASSEMBLY. SUBMERGE ROLLER TO APPROX. THIS LINE IN GREASE APPROVED BY ENGINEERING DEPT. PERMISSIBLE VARIATION ON COMMON FRACTIONAL DIMENSIONS LOCATING FINISHED SURFACES SHALL BE PLUS OR MINUS .010 UNLESS OTHERWISE SPECIFIED PART NUMBERS & SPECIFICATIONS: 1630, 19382, 33013, 13571, 33016, 33010, CS-1103, 12114, 33014, 33019, 33007 & 33008, 22019, 19256, 21020, 33020, 33006, 33009, 14037, 33000 FOR SPEC. #422, 33042 FOR SPEC. #438, 15555, 30020, 15556, 33011 & 33012, 13519, 33005, 33004, 33021, 33026, 33022, 30012-30013-30014, 33018, 33027, 33055, 12077, 33024 ASSY, 14112 PART OF 33055 ASSY. DIMENSIONS: 5 7/16 ±1/64 2 27/32 7 1/32 ±1/8 TITLE BLOCK: MOD. 330 CHUCK ASS'Y. DRAWING No. 33029 DATE: 5-1-39 GEMMER MFG. CO. DETROIT, MICH. CHANGE LOG: No. A: CHANGE DOWEL ON COL. DATE 12-11-39 No. B: CHANGE SIZE REM. DATE 12-11-39 No. C: CHANGE AS 7 1/32 OTHER REFERENCES: E-7993 | ||