Subject: [harryproa] Re: OFF LIST |
From: "Robert" <cateran1949@yahoo.co.uk> |
Date: 5/12/2008, 5:35 AM |
To: harryproa@yahoogroups.com.au |
Reply-to: harryproa@yahoogroups.com.au |
-CHeck out the Kelsall website. He sets up a radius female mold with a
bit of pvc pipe. It allows easy joining of panels,
Robert
-- In harryproa@yahoogrou
>
> Seem to recall the bevel worked better than a radius because a)
there was no
> hydrodynamic disadvantage, b) it provided more add'l interior volume
with less material,
> and c) it was a hell of a lot easier to build!
>
> If you bend the flat panels in a developable way you get the best of
both worlds - ease
> and economy of flat panels and the aesthetics of the curve.
>
> I keep on hearing about the Kelsall "radius". Is this bagged and
formed over a tube?
>
> Mike
>
> --- In harryproa@yahoogrou
> >
> > -There have been a few multihull designers who reckon that a bevel
> > works better than a radius. It may be worth having a 5cm radius at the
> > joins to make it easier to use KSS type radius joins,
> > Robert
> > -- In harryproa@yahoogrou
> > >
> > > Todd,
> > >
> > > Yes that is a concern although none have experience on what any of
> > these boats will do in
> > > a problem seaway. The overhang does curve upward toward the bows
> > so that is some
> > > help, and terminates near the forward bulkhead. In addition it's
> > elevation matches the
> > > beam clearance so has some decent height. Plus I will add a modest
> > flare or radius to the
> > > underside just to avoid a nasty slap or thud in rough seas.
> > >
> > > Don't think we have any idea which way the boat face if left to
> > float on it's own. Will still
> > > use a chute or drogue depending on conditions off the bow/stern when
> > it's really bad.
> > >
> > > Rob thinks it may have some benefits in normal conditions in
> > reducing spray over the WW
> > > hull. Think the radius should minimize the heavy slap. Have a
> > suggestion on how much
> > > flare/radius ?
> > >
> > > Regards,
> > >
> > > JT
>