Radiator performance test results from a climb on the Col-de-la-Faucille.
| Identifier | ExFiles\Box 11\3\ 03-page435 | |
| Date | 14th July 1931 | |
| 25-EX. 87941 Tests carried out on the Col-de-la {L. A. Archer} -Faucille. 14.7.31. LARGE TUBE RADIATOR. Top Water Temp Taken. 1st Gear Miles. Air. Water. 0 35.9 23 70 .5 36.4 23 74 1 36.9 22 79 1.5 37.4 21 82 1.9 37.8 21 85 2.3 38.2 21 90 2.6 38.5 20 91 3.1 39. 20 92 3.5 39.4 20 93 3.9 39.8 19.5 94 -- 40.2 20 95 Miles. Air. Water. 0 45. 25 80 .5 45.5 25 82 1 46. 24 85 1.4 46.4 24 87 1.9 46.9 24 90 2.2 47.2 23 92 2.6 47.6 22 92 3.1 48.1 21.5 93 3.5 48.5 21. 94 3.9 48.9 21 94 4.3 49.3 20 95 Miles. Air. Water. 0 53.5 26 60 Start. .5 54. 26 68 1 54.5 25 73 1.5 55. 24 79 1.9 55.4 23 82 2.2 55.7 23 87 2.6 56.1 22 89 3.1 56.6 21 91 3.4 56.9 21 93 3.9 57.4 21 93 4.2 57.7 21 94 10 minutes. 350 metres. = 1,148 ft. 10 minutes. Max. 37 MPH. Min. 13 MPH. 10 minutes. Max. 39 MPH Min. 11 MPH (1) Miles. Air. Water. 0 62. 26 70 .5 62.5 25 75 1 63. 24 80 1.5 63.5 23 84 2.0 63.9 22 86 2.2 64.2 22 91 2.6 64.6 21 93 3.0 65.1 21 95 3.5 65.5 20 96 3.9 65.9 20 96 4.3 66.3 20 96 Miles. Air. Water. 0 70.5 25 80 .5 71. 24 82 1 71.5 23.5 84 1.4 71.9 23. 86 1.9 72.4 22. 87 2.2 72.7 22 91 2.6 73.1 21 92 3.1 73.6 21 93 3.5 74. 21 95 3.9 74.4 21 95 4.3 74.9 21 95 Miles. Air. Water. 0 79.5 24 70 Start. .5 79.5 24 76 1 80 23 80 1.4 80.4 24 84 1.9 80.9 24 86 2.2 81.2 23 90 2.7 81.7 22 92 3.2 82.2 22 93 3.5 82.5 21 95 4 83. 20 95 4.3 83.3 20 96 10 minutes. Max. 38 MPH. Min. 12 MPH. Shutters Closed. 10 minutes. Non spillable rad. cap. (10 minutes. 3rd. speed & non spillable rad. cap.) (3) Miles. Air. Water. 0 19.5 20 80 .5 20. 19 83 .9 20.6 19 84 1.5 21 18 84 2 21.5 18 84 2.3 21.8 18 89 2.6 22.1 18 88 3.1 22.6 18 89 3.4 22.9 17 89 3.8 23.3 16 90 4.3 23.8 16 90 30 Miles. Air. Water. 0 28.1 18 60 Start. .5 28.6 18 64 1 29.1 17 71 1.5 29.5 17 75 1.9 30. 16 76 2.4 30.5 15.5 82 2.6 30.6 15. 82 2.9 31. 14 80 3.3 31.4 14 82 3.9 31.8 13 84 4.3 32.4 13 85 This test carried out to compare with small tube radiator as air temp. had dropped. All readings taken at 1 min. intervals. [Signature] | ||
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).