Rolls-Royce Archives
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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).
Data sheet recording the flow of water through various nozzles under different pressure heads.

Identifier  ExFiles\Box 36\1\  scan 040
Date  16th February 1915
  
R.R. 225 A.{Mr Adams}(400 T) (S.C. 586 16-2-15) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 1546.

X. 2907L - FLOW OF LIQUIDS THROUGH ORIFICES

Handwritten note: Corrected figures in pencil

Discharge of water in c.c./min.
= 30,000 / t

TABLE:
Column Headers: Nozzle, Head 1.484¹, Head 1.0675¹, Head .651¹

Row A1: 158.6 (handwritten: 155), 136.9 (handwritten: 135), 109.1 (handwritten: 109)
Row A2: 146.3 (handwritten: 147), 125.5 (handwritten: 128), 98.4 (handwritten: 102)
Row A3: 134.7 (handwritten: 135), 117.7 (handwritten: 114), 88.3 (handwritten: 91)
Row A4: 119.0 (handwritten: 116), 89.3 (handwritten: 91), 78.8 (handwritten: 73)

(Handwritten across B group: Duplicate)
Row B1: 652 (handwritten: 658), 566 (handwritten: 579), 462 (handwritten: 470)
Row B2: 652 (handwritten: 657), 566 (handwritten: 565), 454 (handwritten: 462)
Row B3: 652 (handwritten: 635), 566 (handwritten: 546), 458 (handwritten: 460)
Row B4: 588 (handwritten: 627), 508 (handwritten: 530), 428 (handwritten: 436)

Row C1: 1131, 984, 790
Row C2: 1071, 1000, 790
Row C3: 1131, 1016, 790
Row C4: 1111, 953, 790
Handwritten averages for C group: 1111, 988, 790

Row D1: 2727, 2308, 2000
Row D2: 2727, 2221, 2000
Row D3: 2727, 2221, 1935
Row D4: 2727, 2308, 2000
Handwritten averages for D group: 2727, 2264, 1978.

Handwritten note (bottom): Verticle Nozzle
Initials (bottom right): EFC.
  
  


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