So you're going for a 60foot proa?

--------------------------------------------
On Fri, 8/6/18, StoneTool owly@ttc-cmc.net [harryproa] <harryproa@yahoogroups.com.au> wrote:

Subject: Re: [harryproa] Harryproa hull length and shape
To: harryproa@yahoogroups.com.au
Received: Friday, 8 June, 2018, 9:12 PM


 












Let's
be realistic........

    To achieve payload and accommodations
comparable to a 30' cat
such as I'm looking at building or buying requires
a far bigger
boat.   Mission is important to consider here.   A
40' HP might be
cheaper and faster than a 30' cat, but it
doesn't begin fulfill
the same mission based on the cutaways I've looked
at. 



    Your conclusions will inevitably be different
as your
priorities do not match mine.   For some people they
are the
perfect boat, for others, they are not.  I fall
squarely in the
latter category.   A 30 cat, or a 60'
proa......



                           
                               
   
                           
                               
   
    H.W.







On 06/07/2018 10:49 PM, Doug Haines doha720@yahoo.co.uk
[harryproa] wrote:



 


I would submit that in general, if you can
build you hp
for say $20,000 and can go out and sail twice
as fast as
boats that cost similar and only get matched
for pace by
$100,000 boats then you are the comparitive
winner
overall.




--------------------------------------------

On Fri, 8/6/18, '.' eruttan@yahoo.com
[harryproa]
<harryproa@yahoogroups.com.au>
wrote:



Subject: Re: [harryproa] Harryproa hull length
and shape

To: harryproa@yahoogroups.com.au

Received: Friday, 8 June, 2018, 11:42 AM





 



























| It is hard to say: assuming all other things
being
equal.

Obviously the hp can have most of its total
weight in ww

hull, whereas cat has to keep it 50/50.



|So the argument can't really begin on an
even keel.







Doug makes a good point. Perhaps i missed
something too,

but it looks like you made the HP a cat, to
make it fair.







Also, and this might be a language thing, but
we don't

want fair. We want accurate, don't we?







Not that the thought experiment was not great.
Thanks for

it, and I am still chewing on it. Neat to see
a physical

representation of the vectors.







Rob, a few posts ago, said cats use weight,
and hps use

width, which is lighter and cheaper. I think
it's fair

to object to normalizing weight and width.







Perhaps add a third boat. A typical, non
normalized HP?

Still constrained by the same weight/cost?







To visualize the more realistic comparison?























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