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).
Rejection of the Hampden Pump in favour of an in-house designed mechanical air pump.
| Identifier | WestWitteringFiles\F\February1921\ Scan105 | |
| Date | 25th February 1921 | |
| W/S. To EH. from Hs.{Lord Ernest Hives - Chair} X.350s. HAMPDEN PUMP. X.269 We enclose herewith correspondence in connection with the above Pump. This pump is of no use to us. We are testing at the present time in the Experimental Dept. a mechanical driven air pump designed by Mr. Royce. This is much more efficient and a more practicable job than the Hampden Pump. X269 Our tests with the Hampden Pump do not show it to be any better than the standard Wood Milne Pump. If we make any change in the pump at all, we shall certainly go to our own design of mechanical air pump. Will you please let us know whether we are to return this Pump to Conduit Street. Hs.{Lord Ernest Hives - Chair} | ||