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).
Test log sheet detailing the performance and failure of radiator components, steering levers, and suspension brackets.
| Identifier | ExFiles\Box 119\2\ scan0064 | |
| Date | 29th October 1914 | |
| Piece No | Description | Time | Results | X No | Reference - | 20" Orme Evans sqr. Honeyc. Rad.(2") 5" matrix bonded to bottom tank. large ball undern. suspension revs. (105) | 20 - 0 | Satisfactory, no leaks developed after total running. Support brackets to E4294 broken 4 times. | X1315 | Wor{Arthur Wormald - General Works Manager}/H44/L 29.10.14 E4294 | Pressed steel brkt. Ball underneath type Radiator suspn. having large balls & pressed steel brkts. | 1 - 45, 4 - 35 | A third pressed steel brkt has given out. 2 bottom lugs which bolt frame broke off after. Brkt (heat treated) fitted on near side. A fourth bracket E4294 broken (nr side)(not heat trtd) broke after. The fwd. bottom lug broke & bolt in rear bottom lug broke. bolt used for 19hrs in various brkts. | X1290 | Wor{Arthur Wormald - General Works Manager}/H42/L 28.10.14 F4547/8 | Cross Steering Levers | 20 hrs 5 min @ 2" lumps, 78 " 35 m @ 3" | still unbroken. | X1084 | Wd{Mr Wood/Mr Whitehead}/H42/L 11.2.14 E4299 | Brackets. 1/8" nickel steel. Thicker pressed steel ones ran on 2" lumps @ 100 revs. After | 10 hours, 15 1/8" | crack developed in angle near top front lug. near side one also cracked in L by top front frame. | X1290 | Wor{Arthur Wormald - General Works Manager}/Phy/L 20.12.14 E4299 | Radiator Suspension Bracket milled from solid instead of being of pressed steel. | 10 1/4 hrs | frame broke @ this point. pressed ones ran for 10 1/4 hrs. already run this distance without breakage. D.{John DeLooze - Company Secretary} thinks they'll prove superior to others. | DC 1290 | Wor.{Arthur Wormald - General Works Manager} Phy/L 20.11.15 | ||