Adjusting the pitch on Sensinich R Blades???

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FishinCoop101
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Adjusting the pitch on Sensinich R Blades???

Post by FishinCoop101 »

I just got my new propeller in today bolted it up used the marks on the stickers and the propeller tips track almost 1/4" off from each other. Runs smooth with no vibration, but you can see the difference in the propeller tips while rotating.

Bolted it up using the old tip tracking method and the prop has a vibration while rotating even though the tip is tracked the same. The vibration gets worse with rpm.

Any help would be greatly appriciated.

Ruagatr
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Re: Adjusting the pitch on Sensinich R Blades???

Post by Ruagatr »

Is your prop flange straight? What engine and drive are you running?

Maddog

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Re: Adjusting the pitch on Sensinich R Blades???

Post by cntry141iq »

well if you got your NEW propeller in yesterday and it has a problem .. I would be callin the manufacturer today ...
Don't waste your time ... it is the only thing you can't get more of
.. if it accidentally looks like I gave advice please ignore it .. and notify me immediately

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plumcrazy
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Re: Adjusting the pitch on Sensinich R Blades???

Post by plumcrazy »

some thing wrong with that, try a digital level or angle finder, if you have a droid or i phone there a app for it it works great, but if you tracked the tip from a fixed point on your transom it should be good as it gets,

dantheairboatman
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Re: Adjusting the pitch on Sensinich R Blades???

Post by dantheairboatman »

sensenich wants you to track them with a strait edge from transom to trailing edge and not with a digital level.It says that in the instruction. with that being said call them tomorrow with the serial # and make sure its a match set. track them till they touch if possible.
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nomad41
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Re: Adjusting the pitch on Sensinich R Blades???

Post by nomad41 »

Sensinich says you can adjust their blades one of 3 differant ways. tracking is only one way. This is directly from their web site.

5. There are three methods for setting blade pitch: by
Pitch Marks (good for narrow and medium blades), by Blade
Track (preferred for wide blades and Superwide blades),
and by Protractor Blade Angle (most accurate method but
requires additional tools).
Pitch Mark: Align each blade pitch mark at 2 ½ or 3
with the face of the mounting hub half.
Blade Track: Align one blade pitch mark at 2 ½ or 3,
then measure the distance aft from the blade tip trailing
edge to a fixed point on the airboat, such as transom lip or
radiator. Rotate the other blades into the same position and
set at the same track distance.
Protractor Blade Angle: Align one blade pitch mark
at 2 ½ or 3, then measure in 3” from the blade tip and mark
a straight line across the flat side of the airfoil, from leading
edge to trailing edge. NOTE: the blade airfoil must be flat
at this location. Measure the blade angle with an angle
protractor, then rotate the other blades into the same
position and set at the same pitch angle.
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