Thomas Bell 11610
Appendix 1
Contents:

Page
Page | 1
Thomas Bell 11610
Cylinder bore and stroke length.
Equation 1-1
𝑉𝑡𝑜𝑡𝑎𝑙
𝑁𝑐𝑦𝑙
250
1
250
𝜋 5.22
=
𝜋
= 𝑉𝑐𝑦𝑙 = ( 4 ) 𝐵2 S
= 250cc
250
16.39911365
= 15.24472635
√15.24472635 = 3.904449558 rad
39.044495558 rad x 2 = 78.08899116mm
π x 3.9044495582 x 5.22 = 250cc
Stroke:
𝑉
𝐵
(𝜋 x (( 2 ) x C
2)
250
2
(𝜋 x (
78.08899116)
2
x1
250
2
(𝜋 x (39.04449558) x 1
250
(𝜋 x 1524.472635)
250
4789.272031
= 0.0522 x 1000
Stroke = 52.2
Mean Piston Speed.
Equation 1-2
2𝑆𝑁
Ūp = (60000)
(52.2 x 2)10,500
MPS = (
60000
)
104.4 x 10,500
)
60000
MPS = (
1096200
)
60000
MPS = (
= 18.27 MPS at 10,500 RPM
(52.2 x 2)13,000
MPS = (
60000
)
Page | 2
Thomas Bell 11610
104.4 x 13,000
)
60000
MPS = (
1357200
)
60000
MPS = (
= 22.62 MPS at 13,000 RPM (Ideal Max Power between 13,000 to 13,500 RPM)
(52.2 x 2)13,500
MPS = (
60000
)
104.4 x 13,500
)
60000
MPS = (
1409400
)
60000
MPS = (
= 23.49 MPS at 13,500 RPM (Ideal Max Power between 13,000 to 13,500 RPM)
Volumetric Efficiency (Standard air density for VE is 1.181 kg/m3 )
Equation 3-3
𝑚𝑎
ɲѵ = 𝒫𝑎 ѵ𝑐𝑦𝑙
ɲѵ =
0.00029
1.181 x 0.00025
ɲѵ =
0.00029
0.0002952
ɲѵ = 0.9822184589 = 98.2218%
Intake Mach Index
PA mps
Z = 𝐴𝑒𝑓𝑓,𝑖 𝑎
Aeff,i = Ac x Cd
Ac = π x Vd x VL max
Ac = π x 30.242 x 13.88 = 1318.71
Aeff,i = 1318.71 x 0.6 = 791.23
Z=
4789.15 x 22.62 108330.57
= 261105.9 =
791.23 x 330
0.41
Brake Power (KW)
Equation 2-1
Wb = 2x π x N x 𝜏
Wb = 6.283185307 x
10500
60
x 28
Wb = 6.283185307 x 175 x 28
Wb = 30787.608 Nm/Sec
Wb = 30787.608/ 1000 = 30.787608
Wb = 30.79 kW (Max torque at an assumed max torque RPM of 10,500 based off Honda
NSF250R engine.)
Wb = 6.283185307 x
13000
60
x 25
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Thomas Bell 11610
Wb = 6.283185307 x 216.666 x 25
Wb = 34033.81569 Nm/Sec
Wb = 34033.81569/ 1000 = 34.03381569
Wb = 34.03 kW (Max Power RPM according to D. Robinson and J. Caron Dawe (2016) torque at
this engine speed is empirically assumed to be correct as according to Honda racing corporation
(n.d) the maximum power is 35.5 kW at 13000 RPM. This makes the figure of 34.03 a close target
figure for initial engine)
Compression Ratio
CR =
𝐶𝐶𝑐𝑦𝑙+𝐶𝐶𝑐𝑜𝑚𝑏𝐶ℎ
𝐶𝐶𝑐𝑜𝑚𝑏𝐶ℎ
=
250+19.01
=
19.01
14.15:1
Combustion Chamber volume (Desired Compression Ratio 14.15)
𝐶𝐶𝑐𝑦𝑙
250
CCcombCh = 𝐶𝑅−1 = 14.15−1 = 19.01
Valve Spring Compression
Compressed valve spring of 18mm (450 N)
1
2
x 450 x 0.18 = 40.5 J or n/m of potential energy.
Intake system:
Initial Length:
L=
𝛿𝑡 x Ϲi
0.012 x N
90 x 343
x 13000
L = 0.012
=
30870
156
= 197.88mm
Improved Length (Tested but not utilised in the final engine design):
L=
𝛿𝑡 x Ϲi
0.012 x N
L=
85 x 343
0.012 x 13500
=
29155
=
162
179.969mm
Valve Area (a)
PA = Piston Area
PA = π x 39.0442 = 4789.150mm2
Valve Area (a)
a = (PA /12) x 0.3 = 4789.150 ÷ 2 = 2394.575 x 0.3 = 718.3275mm2
718.3725
𝜋
= 228.66mm2 VA
Valve Radius (Vr)
√228.66 = 15.121mm Vr
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Thomas Bell 11610
Valve Diameter (Vd)
Vr x 2 = 15.121 x 2 = 30.242mm Vd
Cylinder head (b)
b = 2394.575 x 0.2 = 478.915
Port Area Siamese Port (PAsp)
478.915
=
𝜋
152.443mm2 PAsp
Port Radius Siamese Port (Prsp)
√152.443 = 12.346mm Prsp
Port Diameter Siamese Port (Pdsp)
12.346 x 2 = 24.692mm Pdsp
Cylinder head (c)
C = 4789.15 x 0.25 = 1197.2875
Port Area Mono Port (PAmp)
1197.2875
=
𝜋
381.108mm2 PAmp
Port Radius Mono Port (Prmp)
√381.108 = 19.521mm Prmp
Port Diameter Mono Port (Pdmp)
19.521 x 2 = 39.042mm Pdmp
Throttle Body
d = 4789.15 x 0.2 = 957.83
Throttle Body Area (TBA)
957.83
𝜋
= 304.886mm2 TBA
Throttle Body Radius (TBr)
√304.886 = 17.460mm TBr
Throttle Body Diameter (TBd)
17.460mm x 2 = 34.92mm TBd
Throttle Body Inlet (from Trumpet)
d = 4789.15 x 0.25 = 1197.2875
Throttle Body Area (TBA)
1197.2875
=
𝜋
381.108mm2 TBA
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Thomas Bell 11610
Throttle Body Radius (TBr)
√381.108 = 19.521mm TBr
Throttle Body Diameter (TBd)
19.521mm x 2 = 39.042mm TBd
Trumpet
e = 4789.15 x 0.25 = 1197.2875
Trumpet Area (TA)
1197.2875
=
𝜋
381.108mm2 TA
Trumpet Radius (Tr)
√381.108 = 19.521mm Tr
Trumpet Diameter (Td)
19.521mm x 2 = 39.042mm Td
Trumpet continued
e = 4789.15 x 0.3 = 1436.745
Trumpet Area (TA)
1436.745
𝜋
= 457.33mm2 TA
Trumpet Radius (Tr)
√457.33 = 21.39mm Tr
Trumpet Diameter (Td)
21.39mm x 2 = 42.78mm Td
Trumpet continued
e = 4789.15 x 0.35 = 1676.2025
Trumpet Area (TA)
1676.2025
=
𝜋
533.55mm2 TA
Trumpet Radius (Tr)
√533.55 = 23.10mm Tr
Trumpet Diameter (Td)
23.10mm x 2 = 46.20mm Td
Trumpet continued
e = 4789.15 x 0.5 = 2394.575
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Thomas Bell 11610
Trumpet Area (TA)
2394.575
𝜋
= 762.22mm2 TA
Trumpet Radius (Tr)
√762.22 = 27.61mm Tr
Trumpet Diameter (Td)
27.61mm x 2 = 55.22mm Td
Area (TA)
381.108
457.33
533.55
762.22
@0.25
@0.3
@0.35
@0.5
Radius (Tr)
19.521
21.39
23.10
27.61
Diameter (Td)
39.042
42.78
46.20
55.22
Initial Exhaust Length:
L=
𝛿𝑡 x Ϲi
0.012 x N
120 x 518
x 13000
L = 0.012
=
62160
156
= 398.461mm
Improved Exhaust Length (DOE Changes made to final model):
L=
𝛿𝑡 x Ϲi
0.012 x N
120 x 518
x 13500
L = 0.012
=
62160
162
= 383.704 mm (Rounded figure due to software)
Exhaust Valve Diameter:
30.242/1.2 = 25.202mm
Exhaust System Primary Cross section:
PA x 0.287 = 4789.150 x 0.287 = 1374.48605
Exhaust Area
1374.48605
𝜋
= 437.5125mm2 EA
Exhaust Area
√437.5125 = 20.92mm Er
Exhaust Diameter
20.92 x 2 = 41.84mm Ed
Page | 7
Thomas Bell 11610
Intake Valve
Calculations
Dt
D1
D2
C
H1
H2
dIs
Vs
Exhaust Valve
Calculations
Dt
D1
D2
C
H1
H2
dIs
Vs
Sum
Range
Dimension
N/A
30.242 x 0.95 – 1.0
30.242 x 1.05 – 1.15
30.242 x 0.1 – 0.12
30.242 x 0.025 – 0.045
30.242 x 0.1 – 0.14
30.242 x 0.13
300
Sum
N/A
28.7299 – 30.242
31.7541 – 34.7783
3.0242 – 3.62904
0.75605 – 1.36089
3.0242 – 4.23388
5.44356 – 7.25808
300
Range
30.242
30.242
34
3.0242
1.0
3.0242
6
N/A
Dimension
N/A
25.202 x 0.95 - 1.0
25.202 x 1.05 – 1.15
25.202 x 0.1 – 0.12
25.202 x 0.025 – 0.045
25.202 x 0.1 – 0.14
25.202 x 0.22 – 0.28
300
N/A
23.9419 – 25.202
26.4621 – 28.9823
2.5202 – 3.02424
0.63005 – 1.13409
2.5202 – 3.52828
5.54444 – 7.05656
300
25.202
25.202
28
3
1
3
6
N/A
Revised
Dimensions
30.242
28.73
34.619
3.4
1.36
3.06
6
N/A
Revised
Dimensions
25.202
23.942
28.847
2.832
1.134
2.55
6
N/A
Valve Lift Max (Intake)
Valve Lift Max Intake = VL max i
VL max I = √Bore x 1.57 = √78.08 x 1.57 = 8.84 x 1.57 = 13.88mm
Max Lift/ Max Power = 13.88mm
Initial Intake Cam Figures
Total Duration
Dwell Duration
Ramp Duration (Open/Close)
Main Lift Duration
(Open/Close)
Max Lift
Ramp Lift
Lift Ratio (Ramp)
Lift Ratio (Main)
Dwell Period Start
Dwell Period End (During
Opening)
Dwell Period Ends (Total)
Max lift during dwell
230
3
16.03 (open)
96.97
13.88
2.776
0.2
0.8
113
114.5
116
13.88
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Thomas Bell 11610
Initial Intake Cam GT Suite Lift Array
Lift Angle Array
-115.0
-114.0
-113.0
-112.0
-111.0
-110.0
-109.0
-108.0
-107.0
-106.0
-105.0
-104.0
-103.0
-102.0
-101.0
-100.0
-99.0
-98.0
-97.0
-96.0
-95.0
-94.0
-93.0
-92.0
-91.0
-90.0
-89.0
-88.0
-87.0
-86.0
-85.0
-84.0
-83.0
-82.0
-81.0
-80.0
-79.0
-78.0
-77.0
-76.0
-75.0
-74.0
-73.0
Lift (mm)
0.0
0.023
0.027
0.046
0.083
0.14
0.219
0.323
0.455
0.616
0.811
1.039
1.306
1.612
1.96
2.353
2.682
2.784
2.985
3.185
3.384
3.582
3.779
3.975
4.169
4.362
4.554
4.745
4.934
5.122
5.309
5.494
5.678
5.86
6.041
6.221
6.399
6.575
6.75
6.924
7.096
7.266
7.435
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Thomas Bell 11610
-72.0
-71.0
-70.0
-69.0
-68.0
-67.0
-66.0
-65.0
-64.0
-63.0
-62.0
-61.0
-60.0
-59.0
-58.0
-57.0
-56.0
-55.0
-54.0
-53.0
-52.0
-51.0
-50.0
-49.0
-48.0
-47.0
-46.0
-45.0
-44.0
-43.0
-42.0
-41.0
-40.0
-39.0
-38.0
-37.0
-36.0
-35.0
-34.0
-33.0
-32.0
-31.0
-30.0
-29.0
-28.0
-27.0
7.602
7.767
7.93
8.092
8.253
8.411
8.568
8.722
8.875
9.027
9.176
9.323
9.469
9.612
9.754
9.893
10.031
10.166
10.3
10.431
10.56
10.688
10.813
10.936
11.056
11.175
11.29
11.405
11.517
11.626
11.733
11.838
11.94
12.04
12.137
12.232
12.325
12.415
12.502
12.587
12.67
12.75
12.827
12.902
12.974
13.043
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Thomas Bell 11610
-26.0
-25.0
-24.0
-23.0
-22.0
-21.0
-20.0
-19.0
-18.0
-17.0
-16.0
-15.0
-14.0
-13.0
-12.0
-11.0
-10.0
-9.0
-8.0
-7.0
-6.0
-5.0
-4.0
-3.0
-2.0
-1.0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
19.0
13.11
13.174
13.235
13.293
13.349
13.402
13.452
13.499
13.543
13.585
13.623
13.659
13.691
13.721
13.747
13.771
13.791
13.809
13.823
13.834
13.842
13.847
13.853
13.864
13.875
13.88
13.88
13.88
13.875
13.864
13.853
13.847
13.842
13.834
13.823
13.809
13.791
13.771
13.747
13.721
13.691
13.659
13.623
13.585
13.543
13.499
Page | 11
Thomas Bell 11610
20.0
21.0
22.0
23.0
24.0
25.0
26.0
27.0
28.0
29.0
30.0
31.0
32.0
33.0
34.0
35.0
36.0
37.0
38.0
39.0
40.0
41.0
42.0
43.0
44.0
45.0
46.0
47.0
48.0
49.0
50.0
51.0
52.0
53.0
54.0
55.0
56.0
57.0
58.0
59.0
60.0
61.0
62.0
63.0
64.0
65.0
13.452
13.402
13.349
13.293
13.235
13.174
13.11
13.043
12.974
12.902
12.827
12.75
12.67
12.587
12.502
12.415
12.325
12.232
12.137
12.04
11.94
11.838
11.733
11.626
11.517
11.405
11.29
11.175
11.056
10.936
10.813
10.688
10.56
10.431
10.3
10.166
10.031
9.893
9.754
9.612
9.469
9.323
9.176
9.027
8.875
8.722
Page | 12
Thomas Bell 11610
66.0
67.0
68.0
69.0
70.0
71.0
72.0
73.0
74.0
75.0
76.0
77.0
78.0
79.0
80.0
81.0
82.0
83.0
84.0
85.0
86.0
87.0
88.0
89.0
90.0
91.0
92.0
93.0
94.0
95.0
96.0
97.0
98.0
99.0
100.0
101.0
102.0
103.0
104.0
105.0
106.0
107.0
108.0
109.0
110.0
111.0
8.568
8.411
8.253
8.092
7.93
7.767
7.602
7.435
7.266
7.096
6.924
6.75
6.575
6.399
6.221
6.041
5.86
5.678
5.494
5.309
5.122
4.934
4.745
4.554
4.362
4.169
3.975
3.779
3.582
3.384
3.185
2.985
2.784
2.621
2.353
1.96
1.612
1.306
1.039
0.811
0.616
0.455
0.323
0.219
0.14
0.083
Page | 13
Thomas Bell 11610
112.0
113.0
114.0
115.0
0.046
0.027
0.023
0.0
Valve Lift Max (Exhaust)
Valve Lift Max Exhaust = VL max E
VL max E = √Bore x 1.31 = √78.08 x 1.31 = 8.84 x 1.31 = 11.58mm
Exhaust Valve max lift = 11.58mm
Initial Exhaust Cam Figures
Total Duration
Dwell Duration
Ramp Duration (Open/Close)
Main Lift Duration
(Open/Close)
Max Lift
Ramp Lift
Lift Ratio (Ramp)
Lift Ratio (Main)
Dwell Period Start
Dwell Period End (During
Opening)
Dwell Period Ends (Total)
Max lift during dwell
191
3
14.325
79.675
11.58
2.316
0.2
0.8
94
95.5
97
11.58
Initial Exhaust Cam Lift Array
Lift Angle Array
-95
-94
-93
-92
-91
-90
-89
-88
-87
-86
-85
-84
-83
Lift (mm)
0
0.02
0.025
0.048
0.089
0.153
0.242
0.359
0.507
0.689
0.907
1.165
1.465
Page | 14
Thomas Bell 11610
-82
-81
-80
-79
-78
-77
-76
-75
-74
-73
-72
-71
-70
-69
-68
-67
-66
-65
-64
-63
-62
-61
-60
-59
-58
-57
-56
-55
-54
-53
-52
-51
-50
-49
-48
-47
-46
-45
-44
-43
-42
-41
-40
-39
-38
-37
1.81
2.204
2.382
2.586
2.788
2.989
3.189
3.387
3.58
3.779
3.973
4.165
4.355
4.543
4.73
4.915
5.099
5.28
5.46
5.638
5.814
5.988
6.16
6.329
6.497
6.663
6.827
6.988
7.147
7.304
7.459
7.612
7.762
7.909
8.055
8.198
8.338
8.476
8.612
8.744
8.875
9.002
9.127
9.249
9.369
9.485
Page | 15
Thomas Bell 11610
-36
-35
-34
-33
-32
-31
-30
-29
-28
-27
-26
-25
-24
-23
-22
-21
-20
-19
-18
-17
-16
-15
-14
-13
-12
-11
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
7
8
9
9.599
9.71
9.818
9.923
10.026
10.125
10.221
10.314
10.405
10.491
10.575
10.656
10.733
10.808
10.878
10.946
11.01
11.071
11.128
11.182
11.233
11.279
11.323
11.362
11.398
11.431
11.46
11.484
11.506
11.523
11.536
11.546
11.552
11.56
11.57
11.58
11.58
11.58
11.578
11.564
11.556
11.549
11.542
11.53
11.515
11.496
Page | 16
Thomas Bell 11610
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
11.472
11.446
11.415
11.381
11.343
11.302
11.256
11.208
11.156
11.1
11.041
10.979
10.913
10.843
10.771
10.695
10.616
10.534
10.448
10.36
10.268
10.174
10.076
9.975
9.871
9.765
9.655
9.543
9.427
9.309
9.188
9.065
8.939
8.81
8.678
8.544
8.407
8.268
8.127
7.982
7.836
7.687
7.536
7.382
7.226
7.068
Page | 17
Thomas Bell 11610
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
6.908
6.745
6.58
6.414
6.245
6.074
5.901
5.726
5.549
5.37
5.19
5.007
4.823
4.637
4.449
4.26
4.069
3.876
3.682
3.486
3.288
3.089
2.889
2.687
2.484
2.346
2.204
1.81
1.465
1.165
0.907
0.689
0.507
0.359
0.242
0.153
0.089
0.048
0.025
0.02
0
Page | 18
Thomas Bell 11610
Final Intake Cam Figures
Total Duration
Dwell Duration
Ramp Duration (Open/Close)
Main Lift Duration
(Open/Close)
Max Lift
Ramp Lift
Lift Ratio (Ramp)
Lift Ratio (Main)
Dwell Period Start
Dwell Period End (During
Opening)
Dwell Period Ends (Total)
Max lift during dwell
290
6
23.2 (open)
118.8
13.88
2.776
0.2
0.8
142
145
148
13.88
Final Intake Cam GT Suite Lift Array
Lift Angle Array
-146.0
-145.0
-144.0
-143.0
-142.0
-141.0
-140.0
-139.0
-138.0
-137.0
-136.0
-135.0
-134.0
-133.0
-132.0
-131.0
-130.0
-129.0
-128.0
Lift (mm)
0.0
0.023
0.024
0.028
0.04
0.06
0.09
0.129
0.178
0.239
0.313
0.399
0.499
0.613
0.743
0.89
1.053
1.234
1.434
Page | 19
Thomas Bell 11610
-127.0
-126.0
-125.0
-124.0
-123.0
-122.8
-122.0
-121.0
-120.0
-119.0
-118.0
-117.0
-116.0
-115.0
-114.0
-113.0
-112.0
-111.0
-110.0
-109.0
-108.0
-107.0
-106.0
-105.0
-104.0
-103.0
-102.0
-101.0
-100.0
-99.0
-98.0
-97.0
-96.0
-95.0
-94.0
-93.0
-92.0
-91.0
-90.0
-89.0
-88.0
-87.0
-86.0
-85.0
-84.0
-83.0
1.654
1.894
2.155
2.438
2.744
2.776
2.821
2.985
3.148
3.311
3.473
3.634
3.795
3.955
4.113
4.272
4.429
4.585
4.741
4.895
5.049
5.202
5.354
5.505
5.655
5.804
5.952
6.1
6.246
6.391
6.535
6.679
6.821
6.962
7.102
7.241
7.379
7.516
7.652
7.786
7.92
8.052
8.184
8.314
8.443
8.57
Page | 20
Thomas Bell 11610
-82.0
-81.0
-80.0
-79.0
-78.0
-77.0
-76.0
-75.0
-74.0
-73.0
-72.0
-71.0
-70.0
-69.0
-68.0
-67.0
-66.0
-65.0
-64.0
-63.0
-62.0
-61.0
-60.0
-59.0
-58.0
-57.0
-56.0
-55.0
-54.0
-53.0
-52.0
-51.0
-50.0
-49.0
-48.0
-47.0
-46.0
-45.0
-44.0
-43.0
-42.0
-41.0
-40.0
-39.0
-38.0
-37.0
8.697
8.822
8.946
9.069
9.19
9.311
9.43
9.547
9.664
9.779
9.893
10.005
10.116
10.226
10.334
10.441
10.547
10.651
10.754
10.855
10.955
11.053
11.15
11.245
11.339
11.432
11.523
11.612
11.7
11.786
11.871
11.954
12.035
12.115
12.193
12.27
12.345
12.418
12.489
12.559
12.628
12.694
12.759
12.822
12.883
12.943
Page | 21
Thomas Bell 11610
-36.0
-35.0
-34.0
-33.0
-32.0
-31.0
-30.0
-29.0
-28.0
-27.0
-26.0
-25.0
-24.0
-23.0
-22.0
-21.0
-20.0
-19.0
-18.0
-17.0
-16.0
-15.0
-14.0
-13.0
-12.0
-11.0
-10.0
-9.0
-8.0
-7.0
-6.0
-5.0
-4.0
-3.0
-2.0
-1.0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
13.0
13.056
13.111
13.163
13.213
13.262
13.309
13.354
13.397
13.438
13.478
13.515
13.551
13.584
13.616
13.646
13.673
13.699
13.723
13.744
13.764
13.782
13.797
13.811
13.822
13.832
13.839
13.844
13.852
13.861
13.869
13.875
13.88
13.88
13.88
13.88
13.88
13.88
13.88
13.875
13.869
13.861
13.852
13.844
13.839
13.832
Page | 22
Thomas Bell 11610
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
19.0
20.0
21.0
22.0
23.0
24.0
25.0
26.0
27.0
28.0
29.0
30.0
31.0
32.0
33.0
34.0
35.0
36.0
37.0
38.0
39.0
40.0
41.0
42.0
43.0
44.0
45.0
46.0
47.0
48.0
49.0
50.0
51.0
52.0
53.0
54.0
55.0
13.822
13.811
13.797
13.782
13.764
13.744
13.723
13.699
13.673
13.646
13.616
13.584
13.551
13.515
13.478
13.438
13.397
13.354
13.309
13.262
13.213
13.163
13.111
13.056
13.0
12.943
12.883
12.822
12.759
12.694
12.628
12.559
12.489
12.418
12.345
12.27
12.193
12.115
12.035
11.954
11.871
11.786
11.7
11.612
11.523
11.432
Page | 23
Thomas Bell 11610
56.0
57.0
58.0
59.0
60.0
61.0
62.0
63.0
64.0
65.0
66.0
67.0
68.0
69.0
70.0
71.0
72.0
73.0
74.0
75.0
76.0
77.0
78.0
79.0
80.0
81.0
82.0
83.0
84.0
85.0
86.0
87.0
88.0
89.0
90.0
91.0
92.0
93.0
94.0
95.0
96.0
97.0
98.0
99.0
100.0
101.0
11.339
11.245
11.15
11.053
10.955
10.855
10.754
10.651
10.547
10.441
10.334
10.226
10.116
10.005
9.893
9.779
9.664
9.547
9.43
9.311
9.19
9.069
8.946
8.822
8.697
8.57
8.443
8.314
8.184
8.052
7.92
7.786
7.652
7.516
7.379
7.241
7.102
6.962
6.821
6.679
6.535
6.391
6.246
6.1
5.952
5.804
Page | 24
Thomas Bell 11610
102.0
103.0
104.0
105.0
106.0
107.0
108.0
109.0
110.0
111.0
112.0
113.0
114.0
115.0
116.0
117.0
118.0
119.0
120.0
121.0
122.0
123.0
124.0
125.0
126.0
127.0
128.0
129.0
130.0
131.0
132.0
133.0
134.0
135.0
136.0
137.0
138.0
139.0
140.0
141.0
142.0
143.0
144.0
5.655
5.505
5.354
5.202
5.049
4.895
4.741
4.585
4.429
4.272
4.113
3.955
3.795
3.634
3.473
3.311
3.148
2.985
2.821
2.744
2.438
2.155
1.894
1.654
1.434
1.234
1.053
0.89
0.743
0.613
0.499
0.399
0.313
0.239
0.178
0.129
0.09
0.06
0.04
0.028
0.024
0.023
0.0
Page | 25
Thomas Bell 11610
Final Exhaust Cam Figures
Total Duration
Dwell Duration
Ramp Duration (Open/Close)
Main Lift Duration
(Open/Close)
Max Lift
Ramp Lift
Lift Ratio (Ramp)
Lift Ratio (Main)
Dwell Period Start
Dwell Period End (During
Opening)
Dwell Period Ends (Total)
Max lift during dwell
-129.0
-128.0
-127.0
-126.0
-125.0
-124.0
-123.0
-122.0
-121.0
-120.0
-119.0
-118.0
-117.0
-116.0
-115.0
-114.0
-113.0
-112.0
-111.0
-110.0
-109.5
-109.0
-108.0
-107.0
-106.0
-105.0
-104.0
-103.0
-102.0
-101.0
-100.0
-99.0
260
6
19.5
107.5
11.58
2.316
0.2
0.8
127
130
133
11.58
0.0
0.019
0.02
0.028
0.046
0.073
0.112
0.164
0.23
0.311
0.407
0.521
0.653
0.804
0.976
1.17
1.387
1.628
1.893
2.186
2.316
2.319
2.471
2.622
2.772
2.921
3.07
3.217
3.364
3.51
3.655
3.8
Page | 26
Thomas Bell 11610
-98.0
-97.0
-96.0
-95.0
-94.0
-93.0
-92.0
-91.0
-90.0
-89.0
-88.0
-87.0
-86.0
-85.0
-84.0
-83.0
-82.0
-81.0
-80.0
-79.0
-78.0
-77.0
-76.0
-75.0
-74.0
-73.0
-72.0
-71.0
-70.0
-69.0
-68.0
-67.0
-66.0
-65.0
-64.0
-63.0
-62.0
-61.0
-60.0
-59.0
-58.0
-57.0
-56.0
-55.0
-54.0
-53.0
-52.0
-51.0
-50.0
-49.0
3.943
4.086
4.228
4.368
4.508
4.647
4.785
4.922
5.058
5.193
5.327
5.46
5.592
5.723
5.853
5.982
6.109
6.236
6.361
6.486
6.609
6.731
6.852
6.971
7.09
7.207
7.323
7.438
7.551
7.663
7.774
7.884
7.992
8.099
8.205
8.309
8.412
8.513
8.613
8.712
8.809
8.905
8.999
9.092
9.184
9.273
9.362
9.449
9.534
9.618
Page | 27
Thomas Bell 11610
-48.0
-47.0
-46.0
-45.0
-44.0
-43.0
-42.0
-41.0
-40.0
-39.0
-38.0
-37.0
-36.0
-35.0
-34.0
-33.0
-32.0
-31.0
-30.0
-29.0
-28.0
-27.0
-26.0
-25.0
-24.0
-23.0
-22.0
-21.0
-20.0
-19.0
-18.0
-17.0
-16.0
-15.0
-14.0
-13.0
-12.0
-11.0
-10.0
-9.0
-8.0
-7.0
-6.0
-5.0
-4.0
-3.0
-2.0
-1.0
0.0
1.0
9.7
9.781
9.86
9.937
10.013
10.087
10.159
10.23
10.299
10.367
10.433
10.497
10.559
10.619
10.678
10.735
10.79
10.844
10.895
10.945
10.993
11.039
11.083
11.126
11.166
11.205
11.241
11.276
11.308
11.339
11.368
11.394
11.419
11.442
11.462
11.481
11.497
11.512
11.524
11.534
11.542
11.548
11.552
11.56
11.565
11.572
11.58
11.58
11.58
11.58
Page | 28
Thomas Bell 11610
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
19.0
20.0
21.0
22.0
23.0
24.0
25.0
26.0
27.0
28.0
29.0
30.0
31.0
32.0
33.0
34.0
35.0
36.0
37.0
38.0
39.0
40.0
41.0
42.0
43.0
44.0
45.0
46.0
47.0
48.0
49.0
50.0
51.0
11.58
11.58
11.577
11.572
11.565
11.56
11.552
11.548
11.542
11.534
11.524
11.512
11.497
11.481
11.462
11.442
11.419
11.394
11.368
11.339
11.308
11.276
11.241
11.205
11.166
11.126
11.083
11.039
10.993
10.945
10.895
10.844
10.79
10.735
10.678
10.619
10.559
10.497
10.433
10.367
10.299
10.23
10.159
10.087
10.013
9.937
9.86
9.781
9.7
9.618
Page | 29
Thomas Bell 11610
52.0
53.0
54.0
55.0
56.0
57.0
58.0
59.0
60.0
61.0
62.0
63.0
64.0
65.0
66.0
67.0
68.0
69.0
70.0
71.0
72.0
73.0
74.0
75.0
76.0
77.0
78.0
79.0
80.0
81.0
82.0
83.0
84.0
85.0
86.0
87.0
88.0
89.0
90.0
91.0
92.0
93.0
94.0
95.0
96.0
97.0
98.0
99.0
100.0
101.0
9.534
9.449
9.362
9.273
9.184
9.092
8.999
8.905
8.809
8.712
8.613
8.513
8.412
8.309
8.205
8.099
7.992
7.884
7.774
7.663
7.551
7.438
7.323
7.207
7.09
6.971
6.852
6.731
6.609
6.486
6.361
6.236
6.109
5.982
5.853
5.723
5.592
5.46
5.327
5.193
5.058
4.922
4.785
4.647
4.508
4.368
4.228
4.086
3.943
3.8
Page | 30
Thomas Bell 11610
102.0
103.0
104.0
105.0
106.0
107.0
108.0
109.0
110.0
111.0
111.5
112.0
113.0
114.0
115.0
116.0
117.0
118.0
119.0
120.0
121.0
122.0
123.0
124.0
125.0
126.0
127.0
128.0
129.0
130.0
131.0
3.655
3.51
3.364
3.217
3.07
2.921
2.772
2.622
2.471
2.319
2.316
2.186
1.893
1.628
1.387
1.17
0.976
0.804
0.653
0.521
0.407
0.311
0.23
0.164
0.112
0.073
0.046
0.028
0.02
0.019
0.0
Page | 31