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Replacing a prop for a three bladed one. ?
Went fishing last week and bent a blade on my small Mercury 4.5hp
motor ( 2 bladed prop)
Would this damage the motor if I would replace it with a three (3)
bladed prop ?
Would this affect the engine or performance ?Thanks again |
Aug 11
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| === It depends. A 3 bladed prop will deliver more thrust than a 2 but there's more to
it than that. The most important thing is correct pitch allowing the
engine to operate near its peak in the power/RPM curve. Otherwise you
risk lugging the engine. |
Wayne.B
Aug 11
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| All else being equal, it won't be quite as efficient, but will run
with less vibration. It'll cost more too. I'd stick with the two
blades. |
Aug 12
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| A three blade prop will give you more bite for the same size and
pitch. However, with an engine that small, I would stick with the two blade
as you might not have the horsepower to overcome the extra lift
provided by a three blade. An extra blade, it will affect the
engine's performance. |
Short
Aug 12
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