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).
Quotation from Delco-Remy & Hyatt Ltd. for New Departure Radax type bearings.
| Identifier | ExFiles\Box 136\4\ scan0185 | |
| Date | 15th October 1937 | |
| COPY Messrs. Delco-Remy & Hyatt Ltd., 111, Grosvenor Road, LONDON. S.W.1. WAC/RS.{Sir Henry Royce's Secretary} 15th October 1937. Messrs. Rolls-Royce Ltd., Nightingale Road, DERBY. Dear Sirs, Your Order No.50020. We acknowledge with many thanks receipt of your valued order as above, dated 14th instant, for two NEW DEPARTURE RADAX TYPE BEARINGS No.30307. We have pleasure in attaching hereto our quotation giving present price and delivery period, and are extremely sorry that we are unable to offer delivery from stock. The NEW DEPARTURE 30000 series bearings have the same dimensions as the type "O" Radax bearings, and differ only in the contact angle, which is 35° in the case of the 30000 series bearings and only 15° in the case of type "O". We have in stock a quantity of the type "O" bearings No.0307, and if the matter is urgent you might possibly be able to use this type. We should, however, be obliged if you would let us know promptly. We are quoting alternatively for the type "O" inter-changeable size. Yours faithfully, DELCO-REMY & HYATT LTD. (Sgd.) W.A.Crewe. A.M.I. Mech.E. Engineering Sales Manager. QUOTATION. 2 - NEW DEPARTURE radax type Bearings - No.30307. Price each ... £2.3.0d.) Subject to a discount of 50%. alternatively:- 2 - Ditto - No.0307. Price each ... £1.2.0d.) DELIVERY:- No.30307. about 6-8 weeks: No.0307 - ex stock. [Handwritten note, right side] * We now have a later catalogue in which the pure thrust ratings have been much reduced, in this case from 3090 to 1750 lbs. Hly [Handwritten note, left side] R&M show increase in thrust capacity from 15° to 35° is about 150% New Dep. catalogue figures @ 2000 RPM 1750* / 790 = 2.36 [Handwritten note, over signature] Ratio R/A 35° / 15° = 2.2 | ||