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).
Modifying a 40/50 frame with American car parts and specifications for a special radiator solder.
| Identifier | ExFiles\Box 173\2\ img143 | |
| Date | 17th February 1934 guessed | |
| III shall be glad to know whether you agree to my bringing one back. Apart from the suspension the body is of considerable interest, as also the forward engine position, front wiring, and mountings etc. With regard to the Sports, I am to fit to a 40/50. We can always take these off the La{L. A. Archer} Salle. I am inclined to think however, that putting the front half of an American Car onto the 40/50 frame, which we know is weak torsionally, will not be very satisfactory. However, if you want to do this and don't want the complete La{L. A. Archer} Salle Car, cable me & I will act accordingly. Solder for Ethylene Glycol Rad. I could get no official information re this, as it has been developed at Wright field & is still supposed to be unofficial secret. However the radiator manufacturers gave me the following data which I hope is exactly the right thing & have cabled Lovesey accordingly. Solder composed of lead with 5% to 6% of silver of .9995 fineness, gives a shearing strength of 1500 lbs/□" at 350°F.{Mr Friese} This Solder | ||