List of blueprints for the four-shoe front brakes on the Wraith III.
| Identifier | ExFiles\Box 7\7\ X 606 Brakes-page111 | |
| Date | 24th February 1938 | |
| H.S. Dept. C.Rm. {William Robotham - Chief Engineer} C.Rm {William Robotham - Chief Engineer} /AFM. {Anthony F. Martindale} 606 BY {R.W. Bailey - Chief Engineer} /A1d.3/G.24.2.38. FOUR-SHOE BRAKES. FRONT. WRAITH III. SECTION 7043. Please receive herewith two blueprints of each of the following drawings :- S.CD.428 Scheme of Four-shoe Brake on Wraith III. Front Wheels. Ex.S.511 Carrier Plate - Outer R.H. (Handwritten: redrill cont'l, 1 off. is struck through, Blank) Ex.S.512 Carrier Plate - Outer L.H. 1 off. Ex.S.513 Brake Shoe Carrier. (Handwritten: new) 2 off. Ex.S.514 Brake Shoe Carrier. 2 off. Ex.S.515 Brake Shoe - R.H. 4 off. Ex.S.516 Brake Shoe - L.H. 4 off. Ex.S.517 Water Excluder B.H. (Handwritten: redrill) 1 off. Ex.S.518 Water Excluder L.H. 1 off. Ex.S.519 Carrier Plate - Toggle Shaft R.H. (Handwritten: new) 1 off. Ex.S.520 Carrier Plate - Toggle Shaft L.H. (Handwritten: redrill) 1 off. Ex.S.521 Carrier Plate - Shoe Fulcrum. 2 off. Ex.S.522 Brake Lining. 8 off. Ex.S.523 Bearing Housing - Inner Toggle Shaft R.H. 1 off. (Handwritten: exist'g model) Ex.S.524 Bearing Housing - Inner Toggle Shaft L.H. 1 off. Ex.S.525 Bearing Eye - Brake Shoe Carrier R.H. (Handwritten: new) 4 off. Ex.S.526 Bearing Eye - Brake Shoe Carrier L.H. 4 off. Ex.S.527 Pull off Spring. 2 off. Ex.S.528 Bush for Brake Shoe Carrier. 8 off. Ex.S.529 Pressure Finger Brake Shoe. 8 off. Ex.S.530 Pin - Brake Shoes. 8 off. Ex.S.531 Bush - Friction Finger to Brake Shoes. 8 off. Ex.S.532 Washer - Friction Finger to Brake Shoe. 8 off. Ex.S.533 Locking Wire - Brake Shoe Pin. 8 off. Ex.S.534 Guide Pin - Friction Finger. 4 off. Ex.S.535 Guide Ferrule - Friction Finger. 4 off. Ex.S.536 Bearing Bush - Brake Shoe Carrier. 4 off. Ex.S.537 Distance Piece - Carrier Plate. 4 off. Ex.S.538 Pin - Spring Eyes. 4 off. also LOP. Ex.S.539 Front Brakes. Four shoe Brake. Wraith III. The above drawings have been prepared in accordance with memo Hm {Capt. W. Hallam - Head Repairs} /AFM. {Anthony F. Martindale} 8/AP.18.1.38. Will you kindly instruct two sets. (Handwritten: ald {F. Allwood - Experimental Design} ) BY {R.W. Bailey - Chief Engineer} /A1d. | ||
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).