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ABCDEFGHIJKLMNO
1
Gbox Ratio 7.5Primary Belt Ratio4Secondary Belt Ratio3
2
Crank RPMG/B InputPump SpeedAlternator
Alternator Current (A)
Malcolm's Planned Design
3
502002760010390
Water needed lbs/hr
4
602403272010176.9
Water needed Kg/hr
5
722883886420450Engine rpm
6
86344461032301.88:1
Pump Gearbox Ratio
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10341255123630232
Pump strokes per minute
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1234926614763013,920strokes/hr
9
147588781764340.013 kg
Required water/stroke (Kg or Litres)
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176704942112506.4 cc
Required capacity per stroke (given 2 pumps)
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2118441132532622.205 in5.600 cmPump stroke
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25310121353036681.13 cm2
required area (piR2)
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30312121623636680.3612r squared
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36314521944356740.6010radius
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43517402325220771.202 cmdiameter
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522208827862647912.020 mm
required bore (mm)
17
.473 in
required bore (inches)
43.97 lbf
load on crank (per pump)
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0.6350.5
actual pump bore
98.17 lbf
load on crank (2 pumps)
19
A127 Alternator performance
197.49431
actual capacity (l/hr)
89.06torque lb-inFor 2 pumps
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RPMCurrent111.64%
of required capacity
7.42Torque-lb-ft
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0026.5
22
5000
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60010
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75020As designed
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100030.953 cm.375 inpump bore
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160034187
capacity in KG/hr
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180043105.88%
of capacity required
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2000504.868 cm
Pump stroke (3” engine stroke * operating lever ratio)
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250062
30
300068
31
400074
32
500077
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600079
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12000max safe
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