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Reply | Forward Message #729 of 6632 |
Re: [harryproa] Re: Moulds

G'day,

Not a pest at all. I appreciate any comments, from any source (even you,
Fritz :-).

The camping layout we discussed had telescoping beams operated by lines, the
same as extendable bowsprits. This would make it trailerable, and also
could be slept in on the trailer. The windward half of the trampoline is
solid (maybe slatted, or perforated for hull flying windage reduction). The
windward hull has a pop top with cloth sides to give near standing headroom.
The lee side of the cloth sides extends over the solid tramp as a cover for
the bed. May also fit a 2 person table in the ww hull.

A second option is a dome tent on the tramp, which would be much less hassle
to build, but does not give the option of making a cup of tea from the
comfort of your bed.

All just conjecture at the moment. Any input much appreciated.

regards,

Rob
----- Original Message -----
From: "Jim Baltaxe" <jim.baltaxe@...>
To: <harryproa@...>
Sent: Thursday, November 13, 2003 4:43 AM
Subject: RE: [harryproa] Re: Moulds


> Hi Andrew
>
> Could I be so bold as to ask you what some of those offline ideas might
be? I'm also very interested in an Elementarry with a camping layout. I sort
of stopped writing to Rob because I felt I was being more of a pest than an
imminent customer. NOT that Rob every made me feel that way. His patience
was much appreciated.
>
> Enjoy
>
> Jim Baltaxe
> ITS Desktop Support
> Victoria University of Wellington
> NEW ZEALAND
> (04) 463 5018 or 029 200 6982
>
>
> Klein bottle for rent. Inquire within.
> "If we knew what we were doing, it wouldn't be called research, would
it?" -- Albert Einstein
>
>
> > -----Original Message-----
> > From: Andrew Dickson [mailto:andrew@...]
> > Sent: Wednesday, 12 November 2003 4:48
> > To: harryproa@...
> > Subject: RE: [harryproa] Re: Moulds
> >
> >
> > Me too! Elementarry for starters. I might need a custom ww
> > hull though,
> > to accommodate those ideas we were discussing offlist, Rob.
> >
> > Andrew
> >
> > -----Original Message-----
> > From: Grona Jr, Robert J. [mailto:PPL_RJG@...]
> > Sent: Wednesday, 12 November 2003 2:57 AM
> > To: harryproa@...
> > Subject: RE: [harryproa] Re: Moulds
> >
> > Count me in!
> >
> > I am interested in a camper on up to Harrigami but only if the folding
> > for trailering is available.
> >
> > Thanks Bob G.
> >
> > -----Original Message-----
> > From: Rob Denney [mailto:proa@...]
> > Sent: Tuesday, November 11, 2003 7:29 AM
> > To: harryproa@...
> > Subject: Re: [harryproa] Re: Moulds
> >
> >
> > G'day,
> >
> > I also like the look of wood, but have a problem with sanding
> > it to get
> > it
> > fair! The proposed technique uses a strip planked mould (probably mdf
> > as it
> > is cheap and consistent), which, because of new mould releases and the
> > fact
> > the exterior will be painted, needs only be fair, not particulalry
> > smooth.
> > This saves a huge amount of labour getting from 40 grit to a highly
> > polished
> > surface. Our mould (half a hull) will be glassed, bogged,
> > sanded fair,
> > then
> > a thick coat of epoxy primer, cleaned up with an orbital sander. Pour
> > on
> > mould release, use a rag to wet all of the mould and you are ready to
> > start
> > laminating. Amazing stuff.
> >
> > Using long outlife resin, mould flanges and slit foam, it will be
> > possible
> > to lay up the entire half hull in one shot. Rebating the joins
> > minimises
> > post mould clean up. Paint prep will be a light sand (maybe
> > peel ply),
> > then
> > primer and top coat as per normal. The only bog will be to cover the
> > joins.
> >
> > Regards,
> >
> >
> >
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> > To unsubscribe from this group, send an email to:
> > harryproa-unsubscribe@...
> >
> >
> >
> > Your use of Yahoo! Groups is subject to
> > http://au.docs.yahoo.com/info/terms/
> >
> >
> >
> >
> > To unsubscribe from this group, send an email to:
> > harryproa-unsubscribe@...
> >
> >
> >
> > Your use of Yahoo! Groups is subject to
> > http://au.docs.yahoo.com/info/terms/
> >
> >
> >
>
> To unsubscribe from this group, send an email to:
> harryproa-unsubscribe@...
>
>
>
> Your use of Yahoo! Groups is subject to
http://au.docs.yahoo.com/info/terms/
>
>
>




Thu Nov 13, 2003 2:37 am

proaharry
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Forward
Message #729 of 6632 |
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G'day, Not at the moment. All a bit chicken and egg, unfortunately. We need the orders to pay for the moulds, but can't quote prices till we have built a ...
Rob Denney
proaharry
Offline Send Email
Nov 13, 2003
1:57 am

G'day, Not a pest at all. I appreciate any comments, from any source (even you, Fritz :-). The camping layout we discussed had telescoping beams operated by...
Rob Denney
proaharry
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Nov 13, 2003
2:39 am

G'day, A thought provoking letter. Thanks. The reasons for building a small one are 1) The moulding technique is new. We need to know what is involved before...
Rob Denney
proaharry
Offline Send Email
Nov 13, 2003
3:00 am

I'm not sure that testing ideas on the smaller proa means they will scale up all that well on a larger one. To take your Hobie example the steering system on...
proaconstrictor
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Nov 13, 2003
5:03 pm

I'm not sure I understand what you're getting at but if I want to build some folding beams for Rob and for myself (and for anyone else awho may want them)...
jameshanahan
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Nov 14, 2003
2:28 am

Folding beams would make a hell of a difference to how often people would get sailing. I don't see what the scaling problems are in terms of stress and strain....
Robert
cateran1949
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Nov 14, 2003
6:45 am

... going ... power. ... have ... materials ... at ... at ... of ... small proa, is handy because i can establish production time which doesn't always scale in...
jameshanahan
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Nov 14, 2003
11:38 pm

The molds I'm talking about are the molds for hulls, not beams. Anything anyone wants to do that advances the craft on their own is fine by me. Anything that...
proaconstrictor
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Nov 15, 2003
6:51 pm

... I would have agreed with you completely on this point until I started to fair my 5m strip plank and plywood proa. I love working in strip plank and plywood...
Robert
cateran1949
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Nov 16, 2003
11:01 pm

We are mostly in agreement it seems. I hope the PHD defence goes every bit as well. Good luck!...
proaconstrictor
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Nov 22, 2003
1:06 am

I have a 2 "Shark" cats, 20ft, ply decks, fold down the centerline, we never sail them because of how difficult they are to unfold and setup. We even...
surryequip
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Feb 6, 2004
7:05 pm

I tend to agree about the viability locally but expensive in freight for further afield. I'd certainly consider a mould 700km away for a bigger boat but would...
Robert
cateran1949
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Nov 14, 2003
7:11 am

Hi Rob What you say makes a great deal of sense and is very encouraging. Let's break the Chicken & Egg cycle and at least pick a small design to work on. If...
Jim Baltaxe
jimbaltaxe
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Nov 13, 2003
3:22 am

G'day, Forgot to mention. No problem with alloy beams (apart from weight, corrosion and fatigue ;-), although they would need to be built up with bog on the...
Rob Denney
proaharry
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Nov 13, 2003
3:46 am

G'day, Thanks. Telescoping beams are almost as simple to build as demountable beams, but have the advantage of keeping usable trampoline space at trailerable...
Rob Denney
proaharry
Offline Send Email
Nov 13, 2003
6:38 am

G,day Rob & all, beams aren't quite ready yet but the mould will be finished tomorow and first half beam made on the weekend ready for destruction next week....
jameshanahan
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Nov 13, 2003
7:31 am
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