Subject: Re: [harryproa] carbon tow
From: George Kuck
Date: 7/25/2007, 7:23 PM
To: harryproa@yahoogroups.com.au
Reply-to:
harryproa@yahoogroups.com.au

Hello Rob,
Did you get any indication when the availability will be getting better, in another year or two?
 
How much is needed to build a mast for the 40' Harryproa and are there other alternative sources or material options ?
 
I am considering building a 40' Harryproa using the KSS method but it will be at least another year before I can start.
 
Do you also use carbon fiber in the hulls or beams ? Will you be able to maintain the light weight using fiberglass foam core with vinylester resin (I dislike epoxy except were absolutely needed in mast or other high stress parts) or will it be necessary to use carbon fiber or Kevlar ? What would the typical layup consist of for the hulls ?  My main concern would be to keep the cost down while at the same time building a reasonable good performing (light weight)  and seaworthy boat for cruising. It will not have to be a all out racing boat, but would be nice to be able to keep up with a F-boat if possible ! 
 
George Kuck
Chestertown, MD 

Rob Denney <harryproa@gmail.com> wrote:
G'day,

I have just received sponsorship of the solo Transpac boat from Zoltek,
manufacturer of carbon tow,  which is our preferred material for mast
building.  For the last couple of years tow has been impossible to obtain,
and the situation is no better now.  However, as part of the sponsorship
deal, Zoltek will supply me with one order, as much as I want, for my boat and others,
at a very good price.

If you are interested in buying tow for your boat or mast, the cost is
$AUS45/kg plus local taxes.  If we are going to build you a mast, we are
happy to stockpile it for you until you are ready to start.  If you do not
know the exact quantity, we will buy back any that is left over.

If you want it delivered anywhere else, please let me know and we can
discuss a price.

How good a deal is it?  Uni currently costs $AUS100 per kg, is time
consuming to cut, and on tapered masts, wasteful.

Any questions, please ask.  It would be good to place the order within the
next  week.  Delivery is another 6-8 weeks.

Any questions, please let me know.

regards,

Rob
 
 
 

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