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).
Status report on Wraith III and Wraith Ripple engine units, detailing test status, specifications, and allocation.
| Identifier | ExFiles\Box 161a\1\ scan0048 | |
| Date | 30th August 1939 | |
| -7- HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel}5/BA.30.8.39. WRAITH III UNITS. No.1 On test for general development. No.4.On test for general development. No.5.Fitted in 28.G.VI. No.6.Fitted in 27.G.VI. No.8.Fitted in 25.G.VI - Rm{William Robotham - Chief Engineer}'s car. No110.In shop removed from 14.B.V. after accident. Remarks. To be rebuilt to original specification, replacing any damaged parts, which are to be kept. WRAITH RIPPLE UNITS. W.R.No.1.New Unit instructed in HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel}6/BA.14.4.39. 3.250 dia bore - The main items being, a.{Mr Adams} Crankcase T.H. in L.5. alloy. b. Crankcase L.H. Standard. c. Standard V.C.M. Crankshaft EB.4410. d.{John DeLooze - Company Secretary} EW.2170 Pistons - Aerolite. e.{Mr Elliott - Chief Engineer} EW.2179 Cylinder Block. f.{Mr Friese} EW.2150 Cylinder Liner. g.{Mr Griffiths - Chief Accountant / Mr Gnapp} Ex.S.1768 Camshaft. h.{Arthur M. Hanbury - Head Complaints} EB.4845 Exhaust Valves to PD.403. i. SCD.1030 Oil Filter Ex.S.1259 Assy. j.{Mr Johnson W.M.} Ex.S.1309/10 Camwheel. W.R.No.2. Fitted in 12.B.V. for 151000 miles trials, late B.V.No.6. W.R.No.3. Fitted in 1.R.1 Chassis (late B.V.No.5) 4 Cylinder Unit. This new unit is being produced by converting one of the existing B.60 Units. Rm.{William Robotham - Chief Engineer} to allocate a B.60 Unit for convertion - details ready. continued. | ||