Subject: Re: [harryproa] Build trailerable as a test?
From: "Gardner Pomper" <>
Date: 5/27/2008, 11:57 AM


Ok, I can tell by the responses that it won't be a small boat :( I was hoping for something smaller than the design that is taking shape. Since that looks to be not true, let me fall back to that one, and drop the weight requirements and the 6 passenger (we will only invite people on a nice day for a few hours. They can sit on the trampolines (there can be trampolines, right?) Then we can design for crew weight of 600lbs, and seating for 3-4.

I notice that you are not using the ballestron right. I am flouting my ingorance here, but how can you go upwind with a mast centered for and aft and no headsail?

I was also thinking of a 3-4' flat panel, hinged at the floor, to give some sort of walkway outside the cockpit. Fold it down once the beam is expanded.

Is the sail loose footed? The charter proa talks about the boom and mast being one piece, but it would seem to make it too wide for trailering.

Since you have basics worked out on that trailer sailor, do you have an estimate of work hours for an "average" finish? I know you have mentioned 1400 for the charter proa hull (by professionals, I am sure).

There looks to be a single bunk "forward" also. Is that true, or is that the galley? What are the bunk dimensions?

On Tue, May 27, 2008 at 11:38 AM, Rob Denney <> wrote:


On Tue, May 27, 2008 at 11:00 PM, gardnerpomper <> wrote:
> Hi,
> Some sort of liveaboard harryproa seems like my next cruising boat. I
> am interested in both sampling the experience, and finding out if I
> have the fortitude to build one. I have seen messages about a
> trailerable design and I have some questions specific to using it to
> "try out" the home build/proa idea.
> Requirements:
> 1) trailerable as other specs (8'6" trailer width,
><1000lbs with trailer (negotiable))
Difficult, negotiations can start when i have done some drawings.

> 2) build method as similar to proposed charter boat as possible, since
> that is identified as simplest for larger boats
> fast and easy on/off the trailer. this would be a daysailer, driving 2
> hours to the water, set it up, sail for a few hours, break it down,
> trailer it 2 hours home.

> 3) I am heavy (300lbs), so the crew weight (3 of us) would be about
> 550lbs. We would like to be able to invite another 2 adults and a
> child and still sail it well, so total crew weight could be 900 lbs.
Difficult, I will see what the minimum size is to do this. How much
extra for food and safety gear?
> 4) Enclosed head

> 5) sail without getting wet

> 6) camping propane stove
> 7) comfy seats and table to eat at
Can this be outside, under a removable bimini with roll down sides?
Otherwise, it is a bit ticky for 6 people.

> 8) standing headroom (fold down bimini ok)
> 9) rain protected

> 10) will never be INTENTIONALLY sailed in > 20 kts
Yeah, right!
> 11) ballestron rig

> I won't be racing, but I will want performance comparable to what we
> have heard from Rare Bird and the charter proa design (i.e. windspeed
> up to 15 knots). I *don't* want to fly a hull!! (I'm timid)
Timid is good, but it will be a sizableboat to do this with 6 people on board.

> Questions:
> 1) What would plan cost be?
TBA when i see what is involved. Probably $Aus3,000, as it is going
to be a one off. You get 10% off any future plans sold to the
design until the next one is sailing. After that it is as per the
Goodwill Fee on Part of the plans
price wil be deducted from the big boat fee.

2) would plans include info on resin infusion and building a table,
> etc, etc? Or at least point me to such info?
yes. As much information as you need on anything in the plans.

> 2) Estimated build time (novice.. experienced with epoxy/fiberglass,
> even some with carbon mat as reinforement, but never built a boat). If
> you prefer, you can supply "average estimated build" and I will put in
> my own "idiot factor" multiplier
TBA, but mostly it will depend on the level of finish inside and
outside that you require.

> 3) Would it be close to the "trailer sailer" layout jpg I see posted
> in the forums?
Not if you want a cockpit for 6, which will replace the bunks
>What are hull lengths?
Long! What is the longest you can build, trailer and handle on the ramp?

> 4) When could I start? I have a building available this summer/fall,
> but it is not heated
Tomorrow, building the table. You won't get all the plans
immediately, but i will keep ahead of your progress. Pay for half the
plans up front, the rest before the last drawings arrive.
> 5) material cost? availablity?
Not a huge amount, probably less than the resale value of the boat.
Can get it from your local supplier, apart from the carbon for the
mast, boom, rudders and beams which I will supply from Texas.

> BTW, I live in Pennsylvania (US).
No problem ;-)

> Thanks,
> - Gardner

My pleasure,


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