INCHES OF PITCH
Diameter and pitch must be
calculated as if Max-Prop Easy was
a normal fixed propeller. Max-
Prop Easy then offers the great
advantage of pitch adjustability in
order to optimize the performance
of the propeller. If the engine does
not reach the desired RPM, reduce
the blade angle; on the contrary,
if the engine exceeds the desired
RPM, increase the blade angle.
The Max-Prop Easy allows an angle
variation of 2° increments, this
corresponds to a variation in the
engine RPM of about 13% at the
same boat speed. It’s possible
to change either the pitch to optimize the engine performance, or the rotation (for ex. if you
change the engine, or if there was a mistake when ordering the prop). If you have doubts about
the rotation: shaft rotation is determined from the stern of the boat looking forward. With the
engine in forward position clockwise rotation of the propeller means it is right hand “R”, and a
counterclockwise rotation is a left hand “L”.
Pitch and rotation of the Max-Prop Easy can be changed as follows:
On the body of the propeller are two threaded bores, marked with letters “R” and “L”; within
these bores are placed two bolts.
The pitch of the propeller, both in forward and reverse position, can be easily varied by changing
the supplied bolts threaded into the body of the propeller with other bolts of a different length.
The pitch in forward rotation varies by changing the bolts placed in bore “R” if the propeller is
right-handed or changing the bolts placed in bore “L” if the propeller is left-handed. The list of
the pitch regulation bolts, that are supplied with every Easy propeller is indicated in fig.4.
For example inserting the #20 bolt in the forward rotation and 2 in the reverse rotation will
provide a 20° angle for both front position and reverse rotation. Varying 1mm the length of the
bolts, blades inclination has a 2° variation
Blade
Angle
Right Rotation
Left Rotation
Forward
Bore “R”
Reverse
Bore “L”
Forward
Bore “L”
Reverse
Bore “R”
16°
16
1
16
1
18°
18
18
20°
20
2
20
2
22°
22
22
24°
24
3
24
3
Fig.5 - Close up of the Left and
Right pitch adjustment bolts.
Fig.3b
Fig.4
5
TIP:
Watch our YouTube video on how to adjust
the pitch, visit
https://youtu.be/HJsnHCi2U6U
Or scan the QR code with a mobile device.
Summary of Contents for Max-Prop EASY 2 Blade
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