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).
Issues and solutions for Telegauges and exhaust blows.
| Identifier | ExFiles\Box 47\2\ Scan382 | |
| Date | 3rd November 1930 | |
| -7B- they were owing to the hard nature and difficulty in cutting the bronze seats. The method I instructed them to do was to first check up the seatings and to only attend to those that were distorted, the others to be lightly ground in. Telegauges. 28-GDP. 4-XJ. 6-GN. 52-XJ. These troubles are due to the faulty connection of the glass tube in the head of the instrument. The new head which is now fitted with the fused glass tube connection should overcome the trouble. I inspected the stock of the heads in the Stores to make sure that no obsolete heads were being fitted in replacing the above. Exhaust blows. 4-WJ. 31-GXL. 1-GI. 75-GKM. 72-GGP. The exhaust blows are chiefly due to the failure of the C.A. washers. These are being replaced by the reinforced washers and the complaint should soon cease. A feature that should have attention is the locking up of the nuts on the manifold. Tabs have been made to act as a locking device, but due to the stud holes in the manifold not all being concentric the tabs are useless. I am taking this matter up with Ev.{Ivan Evernden - coachwork} The exhaust blow due to the joint of the exhaust down pipe flange breaking on the 20 HP. is a feature that is recurrent, and steps should be | ||