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3rd April 2010, 12:09 PM #121
What a great thread - and a great boat! I'm green, blue, red and yellow with envy ;). I'm only sorry that I didn't catch up with it early last year - I've been so focussed on my own
verbositybuildmistakes that I haven't had my head above the bulwarks, so to speak, very much until recently (i.e., Lost in My Own Little World(TM)). I noticed the references to some fool who insists on tolerances of 0.01 mm - in wood, fer goodness' sake! What a dingbat. I'd steer clear of him, looks like a right nutter.
Pics of the Onka mouth made me homesick (again). <sigh> I miss Adelaide a lot.
Anyway, back to important things: lots of useful tips, especially with the hook-up wire in concert with your reply on the Eureka thread and to my PMs. Are you selling your plan(s)? I have been thinking that a single-seat kayak would be a useful supplement to the 2-person Eureka (and the 'Duck, and the Goat, and...).
Cheers,
Alex
The "Tolerance" Nutter
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15th June 2010, 10:29 PM #122
Been having a long hard re-think about how I went about building this.
(I blame Alex for that. )
Several boats ago, I did briefly consider making up a 'traditional' kayak former
using a single beam through the middle of the moulds. Put in the too hard basket
- too much number-crunching figuring out where the beam should go. In any
case, I felt (correctly) that I didn't have the skill to cut the mounting holes
or the beam accurately enough. My poor addled brain found it easier to cope
with aligning 3 moulds on a ladder frame, then turning them over & doing the
aligning all over again at a later date.
OneOcean kayaks Kayak mold has a great tutorial
on building & aligning moulds on a central spine or beam. Using the tips &
tricks Vaclav Stejskal outlines, it is clear that 6 moulds can be set up for the
same effort as doing 3 twice, resulting in (hopefully) a fairer boat.
So I've revisited the design, faired up a couple of wobbles & squared up some
station points to allow moulds to be made for those points. Then worn the
numbers off the calculator figuring out where the spine/beam should fit. Just
about finished drawing the beam up & sanity checking the revised station
mould and panel measurements.
So... once the retaining wall is re-built, the paving relaid, the yard rehabilitated,
the pergola redesigned & rebuilt, & the chooks complete their PTSD counselling
from living through all the above, I guess I'll have to build another to test the
method & theory. or maybe
It is said that life is what happens while you are making other plans...
Building my 'real' sailing boat doesn't seem to be getting any closer. but on
the bright side, by the tiime I get to it, I might even have a shed to build it in.
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16th June 2010, 05:14 PM #123
Sounds like a sensible resolution, you've learnt so much about what works and this can only add sophistication to your method and your understanding of the hull.
I admire your patience
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16th June 2010, 10:03 PM #124
A picture, as the saying goes, is worth a thousand words - a useful drawing that :).
Cheers,
Alex
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19th January 2018, 01:39 PM #125
CB130-19.jpg Pic for Bogart
Alan J
Nothing says "Unprofessional Job" so loudly as wrinkles in the duct tape. - B.Spencer
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