Phones
07 570 3339
0274 919 460
Address
61 Freyberg Street
Tauranga, 3110
NEW ZEALAND
e-mail
dunnrite@actrix.co.nz


Did you know the wrong propeller for your boat will cost you more than the correct propeller for your boat?

PROPELLER TIPS - free !!!

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 fax:

    • 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 load.
    • 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 assistance.
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 shaft assembly.
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

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