Country: New zealand
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NZ 0800 776 769
 
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Propulsion Viability study options
Henleys Propellers and Marine Ltd requires a Specification Sheet to be filled out when ordering a custom built propeller or drive line system either for a new vessel or existing vessel. The data supplied by the customer is used to analyse and calculate drive line requirements. This undertaking, combined with our practical experience for more than 95 years, helps ensure the most efficient option for each application. 

 

Accurate Detail Input - Calculations are based on the information the customer provide to us. Inaccurate vessel and engine information will mean an inaccurate result, so please take the time to check your details. Speed Predictions and propeller pitch are approximate only and dependent on the efficiency of the hull design. For more accurate speed estimates, please supply hull resistance data which can be superimposed over the propeller dynamic thrust curves.



Click this link to download the propeller calculation form.

 

 Please note that standard calculations have a fee of $150 including G.S.T which is refundable upon the purchase of a new propeller from Henleys Propellers. This is to prevent people from obtaining propeller sizing from us and then buying their propellers elsewhere. Of course you can do this, but the fee can not then be refunded. This fee does not apply to trade customers (I.E boat builders, marine engineers etc).

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DESIGNERS

The team at Henleys are happy to manufacture your designs 

BUILDERS

The Henleys team are fully qualified to fabricate parts for all boating needs


OWNERS

Operating for over 95 years you will receive the highest quality
 
 
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