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).
Modification to the B-56-BN Bumper Bar Slings following testing.
| Identifier | ExFiles\Box 118\2\ scan0261 | |
| Date | 26th March 1936 | |
| X1023 To RHC.{R. H. Coverley - Production Engineer} c. to GWH.{George W. Hancock - Head Chateauroux} Hs{Lord Ernest Hives - Chair}/FJH.{Fred J. Hardy - Chief Dev. Engineer}6/JH. 26.3.36. B-56-BN{W.O. Bentley / Mr Barrington} Bumper Bar Slings. As a result of tests that we have carried out on the above slings to LeC. 5016 it has been decided that it is unnecessary to carry the slings further back than the front crossmember. Will you please cut the slings behind the attachment to this crossmember on B-56-BN{W.O. Bentley / Mr Barrington} and on 1-B-IV, and leave off the rearmost portion of the sling. It is essential that the front fixing is pinned as specified on the LeC. HS{Lord Ernest Hives - Chair}/FJH.{Fred J. Hardy - Chief Dev. Engineer} | ||