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).
Bench tests of 'Superflexit' flexible tubing samples.
| Identifier | ExFiles\Box 88\5\ scan0200 | |
| Date | 1st August 1929 | |
| ROYAL AIRCRAFT ESTABLISHMENT Report No. E.2861 Bench Tests of Samples of 'Superflexit' Flexible Tubing. - By - The Staff of The Engine Experimental Department, R.A.E. A.M.Ref:- 862806/28/RDE3A R.A.E.Ref:- T.C.1247-5 August 1929. D.{John DeLooze - Company Secretary} Introductory (Purpose of Investigation) This report deals with some bench tests of samples of two sizes of 'Superflexit' flexible tubing, which is manufactured in France, where it is said to be much used on aircraft engine installations for oil or fuel. These tests were conducted during May - July, 1929. The 24 m.m. tube consisted of the following materials in the order given :- (a) Innermost - spiral of hard brass wire about 14 S.W.G. (b) One turn of linen. (c) 6½ turns of a 'cellulose' like substance similar to 'cellaphane'. (d) Linen wound spirally. (e) Linen wound spirally. (f) One turn of poor quality rubber. (g) Some ordinary string wound spirally. (h) Layer of plaited asbestos string. (k) Fine nickel plated copper bonding wire plaited. Handwritten notes: Next to (b): No linen Next to (d)/(e): Ho Next to (f): Cotton Next to (h): No Next to (k): A layer of linen Range of Investigation Samples of 16 m.m. and 24 m.m. bore tubes were received complete with end adaptors fitted. These end adaptors enable it to fit on to ordinary metal tube without any shaping or work on the tube end. Tests were conducted under the following conditions :- 1. / | ||