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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).
Programme of test bed work for various engine units including endurance and oil consumption tests.

Identifier  ExFiles\Box 155\2\  scan0316
Date  8th May 1939
  
1315

To Rm.{William Robotham - Chief Engineer} from Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}
c. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}

Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}3/MH.{M. Huckerby}8.5.39.

PROGRAMME OF TEST BED WORK.

Further to memo Rm{William Robotham - Chief Engineer}/Swdl.{Len H. Swindell}3/MH.{M. Huckerby}27.4.39.

No.30 BED.
Rm{William Robotham - Chief Engineer}

B.80 No.3.

Following inspection of cap half main bearings (Vandervell W/M 2.75 dia.) after 18 hrs. endurance, photograph and refit for further running.
dawben
Studebaker ex B.60 No.1 to be fitted for further running.

Including 18 hrs., a total of 50 hrs. should be run under the following conditions.

Full throttle 7 hrs. 2 hrs. ½ load and 1 hr. ¼ load.

15 mins. at 3000 R.P.M. 15 mins.at 3000 R.P.M.
" " " 3500 " 15 " " 3500 "
10 " " 4250 " 30 " " 4000 "
5 " " 4500 "

W.III NO.4 UNIT.

No.9, unit. To be temporarily removed to test Wraith III

W.III NO.9 UNIT.

To be tested prior to being refitted in 2.B.50 chassis.

Run 1 hour's oil consumption at 4000 r.p.m., repeat if in excess of 2 pts/hr.

Continued.
  
  


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