Subject: [harryproa] Re: Feedback on photos
From: "k_s_oneill" <>
Date: 6/3/2007, 12:29 PM

--- In, "Rob Denney" <harryproa@...> wrote:
> On 6/2/07, k_s_oneill <K_S_ONeill@...> wrote:
> >
> >
> > Rob, is this strong enough? Why are the base tubes so skinny?
> >
> Strong enough if you use enough glass (Doug's obviosly were, as they
did not
> break!), but not stiff enough. As he improved his rig, the need for
> became more acute, as did the need for slightly larger diameter.
90mm tubes
> are plenty. They are what I have on my Elementarry and even with
only one
> sail, it is plenty.

Huh, they look smaller than that. I guess it's the wingmast above
them that makes them look so small.

> Rob, do the rudders on an elementarry still end up on the beams after
> you shunt the boat? Is this far enough back, do you think?
> Dougs initial rudders were his own design. He had them on the
beams, but
> could only use the aft one at any given time. I have mine on the beams
> where one works well. except at low speed where good maneuverability is
> required when I use them both and have excellent control. I have to
> negotiate a bunch of moored boats and very light swirly winds
getting to and
> from the ramp so use both. The rest of the time, just one. Doug
has stuck
> with one rudder and moved it aft. It will be interesting to see the
> result.

Huh. So, his rudders only swing "back", so when they're in the bow
they're pointed forward, is that right? Mine go fore and aft so they
can 'trail' when in the bow, but you can't kick them down when you're
moving at all since they're so overbalanced when they hit the water.
They're ok, but a bit quirky to handle.

I was looking at the Storer design called Goat Island Skiff, he has a
neat rudder I may try to adapt to give me better shallow water
sailing. It's a daggerboard rudder with the bottom held forward by
bungee, so you can steer with the rudder pulled part way up, and the
whole thing just pops out if you hit something. I can't find a good
picture, but here's an idea of it:


Don't you have something like this on the bigger Harrys?


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