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Adjusting Minn Kota Endura 30 to 15" spec
Hi,I have a Sevylor HF280 inflatable. The directions suggest
only using a motor with a 15" shaft. The MK is 30". Where
do I measure to adjust the MK shaft down so that it would sit
in the water at the same depth as a typical 15" length motor,
or in other words the Sevylor motor that they sell. The obvious answer might be at 15" I assume but I'm not
sure if it might actually be a bit lower since I would think
even with a 15" motor the attachment to the transom might be
lower than the very top of the whole unit. Thanks, Jesse |
jskeens
Jan 26
2005
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| I think you're thinking about this WAAAAAAY too much. Clamp the MinnKota on
the back, adjust the motor so that the prop doesn't cavitate (suck air down
through the water to the prop) and "let'er rip". While prop height is critical on a performance boat hull, unless you're
attempting a world speed record for inflatables, don't sweat it. |
Steve
Jan 26
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| I agree with Steve, just get the prop below the water line enough to "bite"
(no cavitation) and high enough up not to bump into anymore stumps/brush
than necessary, and you will be set. Before I got my little bass boat, I used to fish from a Coleman Crawdad
(circa 1986 or so) and just threw a 28# thrust, transom mount MK on it and
never adjusted it until I found shallow/stumpy water to fish. It (the MK's
motor head) probably went through the first two seasons a foot or more below
the water line with no problems. That is until I realized I needed to raise
it to take advantage of the shallow draft of the hull one day. |
SimRacer
Jan 26
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| Thanks guys. |
jskeens
Jan 26
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| Thbere's a difference in the way the shaft length is measured between
electrics and regular outboards. A 15" (IE "short shaft") outboard is
designed to have the entire propeller beneath the bottom of the hull
with the transom bracket sitting on the top of a 15" transom. The shaft
length on an electri on the other hand is the distance from the bottom
of the "head" to the top of the "foot". But an eletric is not a fixed
shaft length like an outboard. Just set the motor deep enough to work
and you've got it. |
RichZ
Jan 26
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