Easy to understand and free propeller
information that can save you money. Select any one of the five
listed propeller tips in a printable PDF format.
If you want additional assistance from DUNNRITE
PROPELLERS we will need to know in your e-mail, phone call, or
- The make and size of your current propeller
(Diameter & Pitch).
- The make and length of boat.
- The make and model of outboard/sterndrive,
motor and horsepower.
- The RPM of the motor with current propeller
at Wide Open Throttle while running the boat with your normal
- What you would like in a new propeller -
(Better bottom end, top end, etc.)
- Don't forget to include your name, address
(to calculate post & package) and a phone number (in case
we have additional ?'s)
- We reserve the right to charge for technical
DUNNRITE PROPELLER TIPS - 1
A must read for owners of outboard or stern drive
powered boats. Many owners of outboards or stern drives could
avoid some serious expenses if they better understood the importance
of correct propeller size and a good tachometer (rev counter).
These easily understood tips cover prop sizing and tachometers
plus propeller balancing, three blades versus four, the importance
of drive hubs (propeller bushes), and what props are best. Is
it composite, aluminium or stainless steel?
Approximately 107KB - 7 pages. YES
DUNNRITE PROPELLER TIPS - 2
A must read for owners of inboard powered boats. Easily understood
propeller information written for inboard applications with fixed
prop shafts covering the importance of correct propeller sizing
and a tachometer (rev counter), propeller balancing, and three
blades versus four. Tips on removing and refitting a propeller
on a Ski-boat, Launch or Yacht fitted with a basic propeller
Approximately 125KB - 9 pages. YES
DUNNRITE PROPELLER TIPS - 3
Easy to understand formulae to calculate the efficiency or slip
of your propeller. Tips on how to identify and understand the
numbers etc. stamped on your propeller and propeller rotation.
Approximately 58KB - 3 pages. YES
DUNNRITE PROPELLER TIPS - 4
Propeller Terminology explaining Diameter, Pitch, Cupping, Rake,
Ventilation and propeller rotation.
Approximately 65KB - 3 pages. YES
DUNNRITE PROPELLER TIPS - 5
A must read for IRB enthusiasts. Easily understood
propeller information written by Dunnrite Propellers for Surf
Life Saving NZ.
Approximately 105KB - 6 pages. YES
DUNNRITE PROPELLER TIPS - 6
A Quick 5 Point Check. Easily understood check
list on when to have your propeller serviced or replaced.
Approximately 47KB - 2 pages. YES