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PROPELLER CALCULATION FROM MODELIST KONSTRUKTOR 11/98 By B. Ca
Y. R. Gilfanov
1.Thrust desired: N = 22 hp F desired 100
Result D = 2.21 ? n = 1193
2.Initial calculation data Engine N = 22 hp at 2860
Proppeler span D = 1.30 ? number of blade 2
Result: F = 70.1 kg n = 2895
W??? = 197 ?/s Reduc ratio= 1.0
3.Desired cruising speed: V = 40 km/hr = 11.1
(for airplanes - takeoff speed) 899.2
REFINE YOUR INPUTS SUITABL
b'= 0.2132
4.Desired propeler width(from 0,08 to 0,12 D) B = 0.12 SUITABLE B/D = 0.09
0.00
= +
b(R) = 57,3*arctg(0,01*V/n*R)
Efficient blade area is taken fom mid to the end
i.e. given the traction is effected only in this section
for
templat
cutting
Base forumla:F = a*((N*D)2)1/3; n = b*((N/D5)1/3, where a = 7,5; b = 1,6
=
5.Angle of attack formula: (R) = 57,3*(3,3*10-4*/(n2*R2+ 10-4*V
on this particular area the angle must be => 18 degrees ( RAF-6 airfoil angle of attack limit)
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R,?? H step, ?? R,?? = + W 100 492 100 100.0 21.0 38.1 30 38.1
130 576 130 109.4 16.4 35.2 39 35.2
195 731 195 50.3 11.1 30.8 59 30.8
260 815 260 28.3 8.4 26.5 79 26.5
325 832 325 17.9 6.7 22.2 99 22.2
390 787 390 12.2 5.6 17.8 118 17.8
455 687 455 8.7 4.8 13.5 138 13.5
488 648 488 7.5 4.5 12.0 148 12.0
520 614 520 6.4 4.2 10.7 158 10.7585 557 585 4.9 3.8 8.6 177 8.6
650 511 650 3.8 3.4 7.1 197 7.1
Pattern
rotation 0
22
For the the variable pitch propeller, this unit allows you to check how
affects the angle of the blade on the permutation step propeller and the airscrew"
setting angle y new Lift coef
0 step
= + = + R, ?? H', ?? H' - H %38.1 38.1 0.78281 100 492 0 0.0 1.513
35.2 35.2 0.70457 130 576 0 0.0 1.652
30.8 30.8 0.59701 195 731 0 0.0 1.73526.5 26.5 0.49875 260 815 0 0.0 1.601
22.2 22.2 0.40764 325 832 0 0.0 1.378
17.8 17.8 0.32099 390 787 0 0.0 1.104
13.5 13.5 0.24041 455 687 0 0.0 0.813
12.0 12.0 0.21168 487.5 648 0 0.0 0.708
10.7 10.7 0.18805 520 614 0 0.0 0.623
8.6 8.6 0.15165 585 557 0 0.0 0.492
7.1 7.1 0.12512 650 511 0 0.0 0.398
average 663 0 0.0
, degree , degree
TAN( + ?) Cy
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gans
kg INPUTS
RESULTS
RPM
RPM
pcs.
RPM
?/?
Specific thrust 0.6
0.9
0.8
Additional
Airscrew Witdh Profile Airfoil Relative Radius coef.
speed in terms of width Thickness Thickness 1.1
conditional
- 0,018)
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v, km/h Bl b' B C1 % R C
85 85.04 0.78743 0.78743 0.90000 108.0 29.16 27.00 100 32.1 0.61
100 90.25 0.81747 0.81747 0.92000 110.4 26.50 24.00 130 29.1 0.57
127 96.85 0.85862 0.85862 0.94000 112.8 24.36 22.00 195 26.8 0.51
142 103.09 0.89487 0.89487 0.96000 115.2 22.22 20.00 260 24.4 0.44
145 110.01 0.92602 0.92602 0.99000 118.8 20.09 18.00 325 22.1 0.37
137 115.40 0.95215 0.95215 1.01000 121.2 17.95 16.00 390 19.7 0.30
119 117.26 0.97230 0.97230 1.00500 120.6 15.82 14.00 455 17.4 0.23
113 117.40 0.97832 0.97832 1.00000 120.0 14.75 13.00 488 16.2 0.20
107 117.34 0.98277 0.98277 0.99500 119.4 13.68 12.00 520 15.0 0.1897 117.46 0.98870 0.98870 0.99000 118.8 11.54 10.00 585 12.7 0.14
89 116.69 0.99226 0.99226 0.98000 117.6 9.41 8.00 650 10.3 0.12
- convenient for the manufacture
blade model
(turn patterns to reduce the size of the workpiece)
(try to install about 25 degrees and see the result)
.
rn rxb
not 3.9 2.9
working 3.5 2.6
blade 3.2 2.4areas 2.9 2.2
2.7 2.0
2.4 1.8
working 2.1 1.6
blade 1.9 1.5
areas 1.8 1.4
1.5 1.1
1.2 0.9
COS() COS( ) SIN()
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? ??????
???
?????
#VALUE!
71.13
135.11
126.40
117.79
108.62
97.20
43.79
40.46
71.49
58.93
870.92 ??3 on a blade
2.35 kg from Al
0.96 kg fom Composites0.52 kg pine made
Building blocks !!!
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hc
66.6 42.52 100.00 42.36 -42.52 -43.70
63.6 45.12 130.00 45.36 -45.12 -45.83
57.8 48.43 195.00 48.78 -48.43 -48.93
51.4 51.54 260.00 51.84 -51.54 -52.02
44.8 55.01 325.00 53.68 -55.01 -56.92
37 57.70 390.00 54.94 -57.70 -60.88
28.2 58.63 455.00 54.80 -58.63 -62.74
24.9 58.67 520.00 54.19 -58.67 -63.35
22.1 58.73 585.00 53.81 -58.73 -63.7817.8 58.35 650.00 53.15 -58.35 -63.63
14.6
Block building profiles (please
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Radius
RAF-6Chord angle
actual
27.60 % %B 108.0 32.1 6.6
0.0
0 10 0.0 3.2
4.00 2.00 6.00 2.5 41 2.7 8.8
10.50 5.20 15.70 5 59 5.4 12.714.40 6.80 21.20 10 79 10.8 17.2
16.90 7.50 24.40 20 95 21.6 21.1
19.50 8.10 27.60 30 100 32.4 22.7
19.30 8.00 27.30 40 99 43.2 22.5
17.90 7.60 25.50 50 95 54.0 21.4
16.00 6.80 22.80 60 87 64.8 19.6
12.90 5.20 18.10 70 74 75.6 16.9
9.80 3.50 13.30 80 56 86.4 13.2
6.00 2.00 8.00 90 35 97.2 8.4
2.70 1.00 3.70 100 7 108.0 1.6
100 0 108.0 0.0
100 108.0 -0.6
90 97.2 -2.8
80 86.4 -4.7
70 75.6 -6.8
60 64.8 -8.350 54.0 -9.1
40 43.2 -9.3
30 32.4 -9.4
20 21.6 -9.4
10 10.8 -8.1
5 5.4 -6.3
2.5 2.7 -4.4
0 0.0 -1.1
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Radius
RAF-6Chord angle
actual
24.90 % %B 110.4 29.1 8.2
0.0
0 10 0.0 2.9
4.00 1.33 5.33 2.5 41 2.8 8.9
10.50 3.47 13.97 5 59 5.5 12.9
14.40 4.53 18.93 10 79 11.0 17.5
16.90 5.00 21.90 20 95 22.1 21.319.50 5.40 24.90 30 100 33.1 22.8
19.30 5.33 24.63 40 99 44.2 22.6
17.90 5.07 22.97 50 95 55.2 21.5
16.00 4.53 20.53 60 87 66.2 19.7
12.90 3.47 16.37 70 74 77.3 17.0
9.80 2.33 12.13 80 56 88.3 13.2
6.00 1.33 7.33 90 35 99.4 8.3
2.70 0.67 3.37 100 7 110.4 1.6
100 0 110.4 0.0
100 110.4 -0.4
90 99.4 -1.9
80 88.3 -3.1
70 77.3 -4.6
60 66.2 -5.6
50 55.2 -6.140 44.2 -6.2
30 33.1 -6.3
20 22.1 -6.3
10 11.0 -5.5
5 5.5 -4.3
2.5 2.8 -3.0
0 0.0 -1.0
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Radius
RAF-6 Chord angle
actual
22.20 % %B 113 26.8 10.1
0.0
0 10 0.0 2.7
4.00 0.67 4.67 2.5 41 2.8 9.4
10.50 1.73 12.23 5 59 5.6 13.614.40 2.27 16.67 10 79 11.3 18.3
16.90 2.50 19.40 20 95 22.6 22.2
19.50 2.70 22.20 30 100 33.8 23.5
19.30 2.67 21.97 40 99 45.1 23.3
17.90 2.53 20.43 50 95 56.4 22.3
16.00 2.27 18.27 60 87 67.7 20.4
12.90 1.73 14.63 70 74 79.0 17.5
9.80 1.17 10.97 80 56 90.2 13.4
6.00 0.67 6.67 90 35 101.5 8.4
2.70 0.33 3.03 100 7 112.8 1.7
100 0 112.8 0.0
100 112.8 -0.2
90 101.5 -0.9
80 90.2 -1.6
70 79.0 -2.3
60 67.7 -2.950 56.4 -3.2
40 45.1 -3.2
30 33.8 -3.3
20 22.6 -3.3
10 11.3 -2.9
5 5.6 -2.2
2.5 2.8 -1.6
0 0.0 -0.9
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Radius
RAF-6 Chord angle actual
% %B 115 24.4
0
0 10 0 2.44
2.5 41 2.88 10.004
5 59 5.76 14.396
10 79 11.52 19.276
20 95 23.04 23.18
30 100 34.56 24.4
40 99 46.08 24.156
50 95 57.6 23.18
60 87 69.12 21.228
70 74 80.64 18.056
80 56 92.16 13.664
90 35 103.68 8.54
100 7 115.2 1.708100 115.2 0
Radius
RAF-6 Chord angle
actual
% %B 119 22.1
0
0 10 0 2.21
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2.5 41 2.97 9.061
5 59 5.94 13.039
10 79 11.88 17.459
20 95 23.76 20.995
30 100 35.64 22.1
40 99 47.52 21.879
50 95 59.4 20.995
60 87 71.28 19.227
70 74 83.16 16.354
80 56 95.04 12.37690 35 106.92 7.735
100 7 118.8 1.547
100 118.8 0
Radius
RAF-6 Chord angle
actual
% %B 121 19.7
0
0 10 0 1.97
2.5 41 3.03 8.077
5 59 6.06 11.623
10 79 12.12 15.56320 95 24.24 18.715
30 100 36.36 19.7
40 99 48.48 19.503
50 95 60.6 18.715
60 87 72.72 17.139
70 74 84.84 14.578
80 56 96.96 11.032
90 35 109.08 6.895
100 7 121.2 1.379
100 121.2 0
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Radius
RAF-6 Chord angle
actual
% %B 121 17.4
0
0 10 0 1.74
2.5 41 3.015 7.134
5 59 6.03 10.26610 79 12.06 13.746
20 95 24.12 16.53
30 100 36.18 17.4
40 99 48.24 17.226
50 95 60.3 16.53
60 87 72.36 15.138
70 74 84.42 12.876
80 56 96.48 9.744
90 35 108.54 6.09
100 7 120.6 1.218
100 120.6 0
Radius
RAF-6 Chord angle actual
% %B 119 15
0
0 10 0 1.5
2.5 41 2.985 6.15
5 59 5.97 8.85
10 79 11.94 11.85
20 95 23.88 14.25
30 100 35.82 15
40 99 47.76 14.85
50 95 59.7 14.25
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60 87 71.64 13.05
70 74 83.58 11.1
80 56 95.52 8.4
90 35 107.46 5.25
100 7 119.4 1.05
100 119.4 0
Radius
RAF-6 Chord angle
actual
% %B 119 12.7
0
0 10 0 1.27
2.5 41 2.97 5.207
5 59 5.94 7.493
10 79 11.88 10.033
20 95 23.76 12.065
30 100 35.64 12.7
40 99 47.52 12.573
50 95 59.4 12.065
60 87 71.28 11.049
70 74 83.16 9.39880 56 95.04 7.112
90 35 106.92 4.445
100 7 118.8 0.889
100 118.8 0
Radius
RAF-6 Chord angle
actual
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% %B 118 10.3
0
0 10 0 1.03
2.5 41 2.94 4.223
5 59 5.88 6.077
10 79 11.76 8.137
20 95 23.52 9.785
30 100 35.28 10.3
40 99 47.04 10.197
50 95 58.8 9.78560 87 70.56 8.961
70 74 82.32 7.622
80 56 94.08 5.768
90 35 105.84 3.605
100 7 117.6 0.721
100 117.6 0
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10 15.00 10
Block building profiles (please do not touch)
100 42.36 100
130 45.36 130
195 48.78 195
260 51.84 260
325 53.68 325
390 54.94 390
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455 54.80 455
520 54.19 520
585 53.81 585
650 53.15 650
650 -63.63 650
585 -63.78 585
520 -63.35 520
455 -62.74 455
390 -60.88 390
325 -56.92 325260 -52.02 260
195 -48.93 195
130 -45.83 130
100 -43.70 100
100 -15.00 100
10 -15.00 10
10 15.00 10
touch)
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COS 0.78743
SIN 0.62
Yc Xc Yn Xn
-48.60 -6.63 -42.36 24.74
-48.60 -3.42 -40.38 27.26
-45.90 2.14 -34.82 29.98
-43.20 6.04 -30.30 31.38-37.80 10.60 -23.23 31.64
-27.00 14.49 -12.33 28.05
-16.20 16.05 -2.86 22.62
-5.40 15.84 5.51 15.80
5.40 14.78 13.36 8.31
16.20 12.97 20.75 0.23
27.00 10.30 27.61 -8.53
37.80 6.62 33.84 -18.09
48.60 1.80 39.38 -28.54
59.40 -4.99 43.70 -40.54
59.40 -6.63 42.69 -41.83
59.40 -7.24 42.31 -42.31
48.60 -9.44 32.45 -37.39
37.80 -11.36 22.76 -32.25
27.00 -13.45 12.97 -27.24
16.20 -14.96 3.54 -21.765.40 -15.72 -5.44 -15.71
-5.40 -15.94 -14.08 -9.22
-16.20 -16.05 -22.65 -2.65
-27.00 -16.00 -31.12 4.04
-37.80 -14.76 -38.87 11.68
-43.20 -12.90 -41.97 16.47
-45.90 -11.02 -42.93 19.62
-48.60 -7.70 -43.01 23.89
-42.36 24.74
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COS 0.81747
SIN 0.58
Yc Xc Yn Xn
-49.68 -8.24 -45.36 21.88
-49.68 -5.33 -43.68 24.26
-46.92 0.71 -37.95 27.60
-44.16 4.67 -33.41 29.25
-38.64 9.25 -26.26 29.81
-27.60 13.09 -15.02 26.60-16.56 14.55 -5.16 21.43
-5.52 14.33 3.74 14.90
5.52 13.31 12.18 7.70
16.56 11.49 20.15 -0.15
27.60 8.73 27.59 -8.76
38.64 4.92 34.42 -18.23
49.68 0.09 40.67 -28.54
60.72 -6.61 45.83 -40.37
60.72 -8.24 44.89 -41.71
60.72 -8.64 44.66 -42.04
49.68 -10.09 34.80 -36.86
38.64 -11.37 25.04 -31.55
27.60 -12.80 15.19 -26.36
16.56 -13.83 5.57 -20.84
5.52 -14.34 -3.75 -14.90-5.52 -14.48 -12.85 -8.65
-16.56 -14.55 -21.92 -2.36
-27.60 -14.55 -30.94 4.00
-38.64 -13.74 -39.50 11.02
-44.16 -12.50 -43.30 15.22
-46.92 -11.22 -44.82 17.85
-49.68 -9.21 -45.92 21.09
-45.36 21.88
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COS 0.85862
SIN 0.5126
Yc Xc Yn Xn
-50.76 -10.14 -48.78 17.31
-50.76 -7.46 -47.41 19.61
-47.94 -0.72 -41.53 23.95
-45.12 3.43 -36.98 26.07-39.48 8.15 -29.72 27.24
-28.20 12.04 -18.04 24.79
-16.92 13.40 -7.66 20.18
-5.64 13.17 1.91 14.20
5.64 12.16 11.08 7.55
16.92 10.28 19.80 0.16
28.20 7.34 27.98 -8.15
39.48 3.27 35.58 -17.43
50.76 -1.70 42.71 -27.48
62.04 -8.47 48.93 -39.08
62.04 -10.14 48.07 -40.51
62.04 -10.35 47.97 -40.69
50.76 -11.08 37.90 -35.53
39.48 -11.74 27.88 -30.32
28.20 -12.49 17.81 -25.18
16.92 -13.03 7.85 -19.865.64 -13.30 -1.97 -14.31
-5.64 -13.36 -11.69 -8.58
-16.92 -13.40 -21.40 -2.83
-28.20 -13.42 -31.09 2.93
-39.48 -13.02 -40.57 9.06
-45.12 -12.38 -45.09 12.50
-47.94 -11.71 -47.17 14.52
-50.76 -11.03 -49.24 16.55
-48.78 17.31
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COS 0.89487SIN 0.4463
Yc Xc Yn Xn
-51.84 -12.2 -51.84 12.22
-51.84 -9.76 -50.75 14.40
-48.96 -2.196 -44.79 19.89
-46.08 2.196 -40.26 22.53
-40.32 7.076 -32.92 24.33
-28.8 10.98 -20.87 22.68
-17.28 12.2 -10.02 18.63
-5.76 11.956 0.18 13.27
5.76 10.98 10.06 7.25
17.28 9.028 19.49 0.37
28.8 5.856 28.39 -7.61
40.32 1.464 36.73 -16.69
51.84 -3.66 44.76 -26.41
63.36 -10.492 52.02 -37.6763.36 -12.2 51.25 -39.20
-51.84 -12.2 -51.84 12.22
COS 0.92602
SIN 0.3775
Yc Xc Yn Xn
-53.46 -11.05 -53.68 9.95
-53.46 -8.84 -52.84 11.99
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-50.49 -1.989 -47.51 17.22
-47.52 1.989 -43.25 19.78
-41.58 6.409 -36.08 21.63
-29.7 9.945 -23.75 20.42
-17.82 11.05 -12.33 16.96
-5.94 10.829 -1.41 12.27
5.94 9.945 9.25 6.97
17.82 8.177 19.59 0.85
29.7 5.304 29.50 -6.30
41.58 1.326 39.00 -14.4753.46 -3.315 48.25 -23.25
65.34 -9.503 56.92 -33.46
65.34 -11.05 56.33 -34.90
-53.46 -11.05 -53.68 9.95
COS 0.95215
SIN 0.3056
Yc Xc Yn Xn
-54.54 -9.85 -54.94 7.29
-54.54 -7.88 -54.34 9.17
-51.51 -1.773 -49.59 14.05
-48.48 1.773 -45.62 16.51
-42.42 5.713 -38.64 18.40-30.3 8.865 -26.14 17.70
-18.18 9.85 -14.30 14.94
-6.06 9.653 -2.82 11.04
6.06 8.865 8.48 6.59
18.18 7.289 19.54 1.38
30.3 4.728 30.30 -4.76
42.42 1.182 40.75 -11.84
54.54 -2.955 51.03 -19.48
66.66 -8.471 60.88 -28.44
66.66 -9.85 60.46 -29.75
-54.54 -9.85 -54.94 7.29
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COS 0.97230
SIN 0.2338
Yc Xc Yn Xn
-54.27 -8.7 -54.80 4.23
-54.27 -6.96 -54.39 5.92
-51.255 -1.566 -50.20 10.46
-48.24 1.566 -46.54 12.80-42.21 5.046 -39.86 14.77
-30.15 7.83 -27.48 14.66
-18.09 8.7 -15.56 12.69
-6.03 8.526 -3.87 9.70
6.03 7.83 7.69 6.20
18.09 6.438 19.09 2.03
30.15 4.176 30.29 -2.99
42.21 1.044 41.28 -8.85
54.27 -2.61 52.16 -15.22
66.33 -7.482 62.74 -22.78
66.33 -8.7 62.46 -23.96
-54.27 -8.7 -54.80 4.23
COS 0.98277SIN 0.1848
Yc Xc Yn Xn
-53.73 -7.5 -54.19 2.56
-53.73 -6 -53.91 4.03
-50.745 -1.35 -50.12 8.05
-47.76 1.35 -46.69 10.15
-41.79 4.35 -40.27 12.00
-29.85 6.75 -28.09 12.15
-17.91 7.5 -16.22 10.68
-5.97 7.35 -4.51 8.33
5.97 6.75 7.11 5.53
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17.91 5.55 18.63 2.14
29.85 3.6 30.00 -1.98
41.79 0.9 41.24 -6.84
53.73 -2.25 52.39 -12.14
65.67 -6.45 63.35 -18.48
65.67 -7.5 63.15 -19.51
-53.73 -7.5 -54.19 2.56
COS 0.98870
SIN 0.1499
Yc Xc Yn Xn
-53.46 -6.35 -53.81 1.74
-53.46 -5.08 -53.62 2.99
-50.49 -1.143 -50.09 6.44
-47.52 1.143 -46.81 8.26
-41.58 3.683 -40.56 9.88
-29.7 5.715 -28.51 10.10
-17.82 6.35 -16.67 8.95
-5.94 6.223 -4.94 7.04
5.94 5.715 6.73 4.76
17.82 4.699 18.32 1.97
29.7 3.048 29.82 -1.4441.58 0.762 41.22 -5.48
53.46 -1.905 52.57 -9.90
65.34 -5.461 63.78 -15.20
65.34 -6.35 63.65 -16.08
-53.46 -6.35 -53.81 1.74
COS 0.99226
SIN 0.1241
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Yc Xc Yn Xn
-52.92 -5.15 -53.15 1.46
-52.92 -4.12 -53.02 2.48
-49.98 -0.927 -49.71 5.29
-47.04 0.927 -46.56 6.76
-41.16 2.987 -40.47 8.07
-29.4 4.635 -28.60 8.25
-17.64 5.15 -16.86 7.30
-5.88 5.047 -5.21 5.74
5.88 4.635 6.41 3.8717.64 3.811 17.98 1.59
29.4 2.472 29.48 -1.20
41.16 0.618 40.92 -4.50
52.92 -1.545 52.32 -8.10
64.68 -4.429 63.63 -12.42
64.68 -5.15 63.54 -13.14
-52.92 -5.15 -53.15 1.46
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41/55
-110.00-100.00
-90.00-80.00
-70.00-60.00
-50.00-40.00
-30.00-20.00
-10.000.00
10.0020.00
30.0040.00
50.0060.00
70.0080.00
90.00100.00
110.00120.00
-70.00
-60.00
-50.00
-40.00
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
R=100
RAF-6M
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42/55
-110.00-100.00
-90.00-80.00
-70.00-60.00
-50.00-40.00
-30.00-20.00
-10.000.00
10.0020.00
30.0040.00
50.0060.00
70.0080.00
90.00100.00
110.00120.00
-70.00
-60.00
-50.00
-40.00
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
R=0.2
RAF-6M
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43/55
-90.00
-80.00
-70.00
-60.00
-50.00
-40.00
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
60.00
70.00
80.00
90.00
100.00
11
-60.00
-50.00
-40.00
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
R=0.3RAF-6m
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44/55
-90.00
-80.00
-70.00
-60.00
-50.00
-40.00
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
60.00
70.00
80.00
90.00
100.0
-50.00
-40.00
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
R=0.4
RAF-6
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45/55
-90.00
-80.00
-70.00
-60.00
-50.00
-40.00
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
60.00
70.00
80.00
90.00
100
-50.00
-40.00
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
R=0.5
7/26/2019 Propeler Calculations en v-97
46/55
-90.00
-80.00
-70.00
-60.00
-50.00
-40.00
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
60.00
70.00
80.00
90.00
100
-50.00
-40.00
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
R=0.6
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47/55
-90.00
-80.00
-70.00
-60.00
-50.00
-40.00
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
60.00
70.00
80.00
90.00
100
-50.00
-40.00
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
R=0.7
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-90.00 -80.00 -70.00 -60.00 -50.00 -40.00 -30.00 -20.00 -10.00 0.00 10.00 20.00 30.00 40.00 50.00 60.00 70.00 80.00 90.00 10
-50.00
-40.00
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
R=0.8
7/26/2019 Propeler Calculations en v-97
49/55
-90.00
-80.00
-70.00
-60.00
-50.00
-40.00
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
60.00
70.00
80.00
90.00
100
-50.00
-40.00
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
R=0.9
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50/55
-90.00-80.00
-70.00-60.00
-50.00-40.00
-30.00-20.00
-10.000.00
10.0020.00
30.0040.00
50.0060.00
70.0080.00
90.00100.00
110.00
-50.00
-40.00
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
R=1.0
7/26/2019 Propeler Calculations en v-97
51/55
70.00 140.00 210.00 280.00 350.00 420.00 490.00 560.00 630.00 700.00
-90.00
-80.00
-70.00
-60.00
-50.00
-40.00
-30.00
-20.00
-10.00
0.00
10.00
20.00
30.00
40.00
50.00
60.00
70.00
-43
.7
-45
.8
-48
.9
-52
.0
-56
.9
-60
.9
-62
.7
-63
.3
-63
.8
-63
.6
42.4 4
5.4 4
8.8 5
1.8
53.7
54.9
54.8
54.2
53.8
53.1
7/26/2019 Propeler Calculations en v-97
52/55
70 140 210 280 350 420 490 560 630 700
0.0
10.0
20.0
30.0
40.0
50.0
32.129.1
26.824.4
22.119.7
17.4 16.2 15.012.7
10.3
Changing the thickness alng the !a"i#s
Ra"i#s$ %%
&!'ile
(hickness$
%%
7/26/2019 Propeler Calculations en v-97
53/55
70 140 210 280 350 420 490 560 630 700
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
38.1
35.2
30.8
26.5
22.2
17.8
13.512.0
10.7
8.67.1
21.0
16.4
11.1
8.46.7
5.64.8 4.5 4.2 3.8 3.4
17.9
12.2
8.77.5
6.44.9
3.8
Angle )s Ra"i#s
Ra"i#s$ %%
Ang
le$
"eg.
7/26/2019 Propeler Calculations en v-97
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Pitch changin along the radius
(twist) 0 deg.
0 100 200 300 400 500
0
100
200
300
400
500
600
700
800
900
Ra"i#s R$ %%
*te+'
latsi"e
'the,
la"e$
7/26/2019 Propeler Calculations en v-97
55/55
00 700
Estimate
twist