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).
Preliminary report on the U.S.A. Bosch Magneto D.U.Z.6, comparing it to the Z.R.6 model.
| Identifier | WestWitteringFiles\F\April1921\ Scan74 | |
| Date | 30th March 1921 | |
| RR 300 (120B) (SF 349 24-1-19) MP 200552 91298 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No. P.A. 73 Customer's No. Re X 4285 March 30th 1921 Preliminary Report on U.S.A. Bosch Magneto D.U.Z.6. As far as can be seen, there is little difference between this machine, and the type Z.R.6. U.S.A. Bosch. It is lighter, the weight being 14.4 lbs as compared with the 15.1 lbs of the Z.R.6. It has a large single magnet, instead of two smaller ones, while the additional earthing brush, is, in this case, contained in a brass holder screwed through the base of the machine. There is also a little difference in the design of the H.T. collector brush gear, wherein the conductor, connecting the distributor, to the H.T. brush, makes Signed Conf'dl This Sheet must be filed on completion of the work. | ||