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).
Precautions necessary for producing Staybrite radiators to prevent leaking.
| Identifier | ExFiles\Box 27a\3\ Scan066 | |
| Date | 14th October 1929 | |
| BY/GS. X4516 Hs.{Lord Ernest Hives - Chair} e.{Mr Elliott - Chief Engineer} Wor.{Arthur Wormald - General Works Manager} e.{Mr Elliott - Chief Engineer} Sir Wm. Smith. e.{Mr Elliott - Chief Engineer} RHC.{R. H. Coverley - Production Engineer} BY11/G/14.10.29. STAYBRITE RADIATORS. ------------------- In producing these radiators it will be necessary to take the following precautions :- 1/- The angles in the corners of the top tank should be made of steel, not brass, and cleaned in the Crawshawpol, and then thoroughly tinned. 2/- We must fit a triangular piece to which the matrix will solder at its two upper corners. The two triangular pieces will be thoroughly tinned, and secured to the body of the Staybrite shell, and should be again of mild steel, thoroughly tinned after cleaning in the Crawshawpol. 3/- We should not turn in the bottom corner of the back member of the top tank, but rivet and solder a brass strip to same to which the matrix would be soldered. 4/- We must fit the loose side plates, making certain that the screws at the bottom are not nipping the plate. From an examination of the radiator in the shop at the moment, I think this point was attended to in the radiator which starting leaking. The cause of the leakage was due to the difficulty of making a really good solder joint to the staybrite tank. Secondly the trouble with the tank itself at the upper corners was due to difference in expansion between the brass angles and the tank. By using mild steel we will prevent any expansion stresses falling on the joint between the solder and the tank by anchoring it thoroughly to the mild steel pieces specified. Will you kindly arrange for a special drawing to be made for the Staybrite radiator covering the above points. BY.{R.W. Bailey - Chief Engineer} | ||