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Bertram 31 Profile Survey



Below is a survey form that will be used to compile both an individual boat profile & to eventually be merged into an overall performance analysis of the various power options for the Bertram 31.

Please answer ALL questions as accurately as possible. Incomplete submissions can not be used for the final analysis. All submissions will, however, be added to the eventual boat profiles.

Thanks for participating!

Best regards,

Patrick





Owner's Name:  :



Email Address:  :



Boat Name:  :



Location:  :



Model & Year:  :



How long owned?  :



Use:  
(fishing, diving, etc.)  
:



Average loading:  
(light, moderate, heavy?)  
:



Engine type:  
(gas - diesel)  
:



Engine Model & horse power:  :



Transmission & model:  :



Shaft size:  :



Shaft material
(standard SS, Aquamet 22, etc.)  
:



Prop size & pitch  :



3 or 4 blade props?  :



Prop material:  
(standard bronze, Nibril, etc.)
:



Average cruising Speed:  



Top end speed:  :



Average round trip distance:  :



Annual hours of use:  :



Fuel usage per hour:  



Fuel usage per mile:  



Speed calculated by:  
(GPS, DGPS, Radar, etc.)



Are you considering a re-power?  



If so, to what?  



Please Use This Text Box for
Any Additional Information:  












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