Performance chart for a Harrison Radiator, showing dissipation, air rise, and pressure against air flow.
| Identifier | ExFiles\Box 149a\3\ scan0196 | |
| Date | 7th July 1927 | |
| TOP LEFT: #4483-2 .20x55x3.3" A.C. R.V. 4 S.C.L. ROLLS ROYCE TEST SECTION TOP MIDDLE (INVERTED): PERFECT CROSS SECTION PAPER, 10x10 TO ONE INCH, NO. 356, KEUFFEL & ESSER CO. NEW YORK TOP RIGHT: RESEARCH ENG. DEPT. EXPERIMENTAL CORE 301, H453 / 7.7.27 LEFT Y-AXIS: DISSIPATION - B.Th.U./SQ.FT. FRONTAL AREA / MIN. / 100°F. {Mr Friese} TEMP. DIFF. THEORETICAL AIR HORSEPOWER RIGHT Y-AXIS: STATIC - INCHES OF WATER, AIR RISE - DEG. F. {Mr Friese} , DYN. PRESSURE - W.G. X-AXIS: AIR FLOW - FT./MIN. OR C.F.M./SQ.FT. GRAPH LABELS: AIR RISE, DISSIPATION, DYNAMIC, STANDARD RATIO, STATIC, AIR HP HANDWRITTEN: 1142, 1325, DRAG/THRUST BOTTOM RIGHT: HARRISON RADIATOR CORPORATION, LOCKPORT, NEW YORK | ||
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).