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).
The full torque testing of a parallel reverse shaft, detailing observations on gear meshing and performance.
| Identifier | ExFiles\Box 6\4\ 04-page064 | |
| Date | 17th March 1935 | |
| -2- AJS1/DB.{Donald Bastow - Suspensions}17.3.35.Contd. excellent condition. Owing to the removal of the plunger springs, and there being a good clearance for the lever in the gate, we find that the gears were pushed past their best meshing position, so that the tooth load and driving force of the splines under them were not as symmetrical as we had intended, and were about .075 out of centre, giving the test a still further chance of failure. As there was no great urgency for dismantling the box for the fitting of the new reverse shaft, this not being quite ready at the moment, we suggested that a further half hour full torque test be made of the parallel reverse shaft. This test was made with the reduced reverse shaft instructed by Hs{Lord Ernest Hives - Chair}, and with detachable roller race at rear end. The plunger spring on reverse slider was removed during this test. It was found that during the full torque there was no tendency for the lever to push into neutral, but with the engine just turning over there was a slight creep out of gear. The force producing this, however, was so small as to be unmeasurable on the spring balance. This reverse test was carried out with the relieved forks. We expect the plain bearing and integral pinion reverse shaft to be on test just after midday today (Tuesday). | ||