[bolger] Micro rudder, ect.
Thank you for the information. Maybe my oak and my epoxy just
didn't get along. I would appreciate seeing your Micro pictures,
and I think some of the other folks here about would, too. Please
place them in the vault,
david
John wrote:
David,
Yes, I used the basic lower bearing per plans, but made it from 1.5"
white oak of approx. 1.5 inch thickness. I'm not an epoxy expert,
but
my white oak post has been epoxied to the marine ply rudder blades
for
nigh on 10 year with zero problems.....admittedly, boat is trailered,
but it is stored outdoors in freeze/thaw cycles of central Indiana.
It's also been immersed in salt water for 2-3 months at a stretch.
If interested, I uploaded a photo of our Micro (BANTY) to the vault.
Regards,
John
david <galvin-@...> wrote:
original article:http://www.egroups.com/group/bolger/?start=3161
> John,
> Thanks for your description for turning the rudder post; it is
helpful. Did
> you
> employ Bolger's wooden jaws for the lower rudder bearing, or use
some
other
> device, and how did that work out, whatever it was? Does anyone else
have
> any ideas or experience with the original or variations of the Micro's
> rudder
> and bearings? Anything would be helpful. I am particularly concerned
with
> gluing up an oak rudder post to a pair of plywood blades. Oak is
famous for
> not taking glue and my experience confirms this. Ash would be strong
enough,
>
> but is rather vulnerable to rot. Southern yellow pine is resistant
but not
> as
> strong. Alaskan yellow pine might be ideal, but I have no experience
with
> the
> stuff and haven't the slightest idea where to find it (yeah, I know,
Alaska,
>
> haha). The wooden bearing would not be glued so I'll probably build
that out
>
> of oak. Damn, it just occurred to me that I could make everything
out
of
> black
> walnut, except then I would want to varnish the rudder and put it
on
a wall
> in
> my living room instead of the butt end of a boat <g>,
> Thank you,
> david
>
> John wrote:
>
> > Here's a MICRO rudder/post which has served us well since
'91.....been
> > through a waterspout, survived 'mast-in-the-water' wind (yes, MICRO
is
> > self-righting from 90+ degrees!), and kissed more than its share
of
> > bottoms.
> >
> > No wood lathe here, so center drilled opposite ends of 4" X 4"
white
> > oak post. Made simple jig to hold post horizontal by inserting
cut-off
> > bolt horizontally into each end. Set jig and post against
radial
arm
> > saw fence (post at 90 degrees to saw blade). Lower blade and turn
post,
> > move post sideways and repeat.
> >
> > Be careful and patient and you'll soon have a nice round rudder
post
> > that needs only light sanding to be smooth enough to turn nicely
in
> > matching over-sized white oak upper and lower bearings. Ultimate
> > diameter up to you, but so far, my 3-inch diameter post has been
> > stronger than I am.
> >
> > John R. McDaniel
> >
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