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Input Data Here |
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How To |
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1 |
Number of Motors (2 max) |
10,000 |
Max displacement in lbs |
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45 |
BHP per Motor |
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27.0 |
LWL in feet |
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2000 |
Max continuous RPM |
8.5 |
Beam waterline in feet |
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2.3 |
Hull Draft in feet exc keel or
deadwood |
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1 |
# of gearboxes or vee drives |
7 |
reqd speed in Knots |
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2 |
# of bearings |
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150 |
"C" for hull |
(150 for runabout, 190
for fast, 210 for race.) |
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1.00 |
g/box reduction ratio |
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16 |
Max prop dia in inches |
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Experiment with g/b
ratio & max dia if reqd. |
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Results |
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1 |
propellers, each |
14 |
diameter |
7 |
inch pitch, with DAR |
33% |
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material |
6 |
propshaft |
1 |
diameter |
3
3/7 |
ft propshaft bearing spacing |
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will develop |
855 |
pounds of bollard pull. |
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Warnings |
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Ideal
prop suitable |
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pitch/diameter
OK |
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Reqd
speed within limits for economy |
. |
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16891.2 |
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Sufficient
motor power available |
. |
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