Engine Service Tests of Internal-Combustion Engine Lubricating Oils Made from California Crude Petroleum Page: 41
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SPECIFICATIONS AND TESTING METHODS FOILOWED 41
TABLE 8.-Average horsepower outputOil
A--............................................. ...............
A -2--------- ------- - - - - - - - - - - - - - - - - - - -
S -2---- -- -- ---- ---- ---- - --- ---- ---- ---- ---- ---- ----
B-1- ...........................................................
B-2- ..__..................................................
S-2..................................-........... ...........
C-1 ........................................................
C-2 ......................... ...........................
8-2-.......-...................................................
D-1 ..-.......-..........................................
B-2
S-2 2...........................................................
D - 1 - - - - - - - - - - - - - - -- - - - - - - - - - - - - - -
D-2.......................................................
A-2-- ........--------------..................................................
S-2 ............... ................................
S-2First Second Third Average
run run run38.3
39. 6
39. 8
39. 7
37. 7
38.4
38.1
37.1
37.8
38. 0
1 34.4
37. 5
37. 3
38. 1
35.3
37. 6
37. 6
38. 4
38. 2
37. 439.7
38.3
38.
37.9
38.0
37. 9
37.7
37. 2
3& 6
37. 3
36. 4
36. 3
38 2
37. 7
37. 5
37. 1
39.0
37. 9
38. 638.4
37.7
37. 5
36. 2
37. 6
37. 4
38. 639.0
39. 8
38. 8
38. 9
37. 8
38.0
38.0
37.4
37. 6
37. 3
35. 9
36. 7
36. 6
37.6
37. 4
38. 7
38. 1
38. 21 High manifold pressure due to leak in pressure-gauge line.
2 Five successive runs on oil S-2 after overhaul.
3 This and five that follow are reruns after overhaul.
TABLE 9.---Temperature factors (arranged and averaged)
Oil First Second Third Average
run run run
A-1. -- - . . .------------------------------------------------ 64. 50 64. 75 -------- 64. 63
A-2 ..................................................------------------------------------------------. 64. 40 65. 64 ..........----- 65.02
-2.....................................................-------------------------------------------------..65.20 63.06 63.42 63.89
B-l----_ ------------------------------------------------ 66. 00 62. 50 -------- 64. 25
B-2...................................................------------------------------------------------ 61.94 61.10 ------.... 61. 52
-2.............................................------------------------------------------------........... 63. 42 62. 90 62. 50 62.94
C- ............................................------------------------------------------------ 63.88 63.40 ---------- 63.64
C-2-........ ..............................-..- ....-... 61.40 62.70 ---------- 62.05
S-2.......................................................------------------------------------------------ 63. 25 61. 80 63. 10 62. 72
D-1 ------------------------------------------------ ...................................62. 08 61.10 ....--------...... 61. 59
D-2 _ ----------------------------------------------- 357.30 62.80-------- 60.05
5-2------------------------- ---------------------------------- 63.10 60.75 61.30 6172
6168 62.46
S-2----------------------------------------------------{ 6140 660}-65.70
D-1--....... . . . . . 61. 40 66 00 .......... 63.70
D-2-----------------.....................-------------------------------........... 65.80 64.50 ....--------- 65.15
S-2-----------..-------------------------------------------------....................... 65. 60 64. 75 65.10 65.15
A-1------------------------------------------------------------ 67. 20 67.80 ....---------..... 67.50
A-2------------------------------------------------------------............................... 66 30 66.30 6.30 .......... 66.30
S-2-----------------------------------------------------------... 65.10 67.25 67.25 66.53
1 See p. 28.
2 High manifold pressure due to leak in pressure-gauge lines
a Five successive runs after overhaul.- . . I I I I
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Gavin, Martin Joseph & Wade, Gustav. Engine Service Tests of Internal-Combustion Engine Lubricating Oils Made from California Crude Petroleum, report, 1926; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc66418/m1/51/: accessed May 4, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.