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From: William J. Oetjen <woetjen_at_zoo.uvm.edu>
subject: [Paddlewise] perfect..... kit boat
Date: Tue, 7 Dec 1999 16:31:29 -0500 (EST)
Dear Folks,

At the risk of making an already convoluted thread even more so,
I noticed that lots of people stated opinions about Tupperware,
shatterglass, and  kevlar, but no one specifically commented on any of
those glass/plywood/glass kit boats out there.  Since I am anxiously in
the market for one of them (most likely a Pygmy Osprey HP) I'd appreciate
hearing more about that.

Yours in paddling
Bill Oetjen
woetjen_at_zoo.uvm.edu

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From: Dave Kruger <dkruger_at_pacifier.com>
subject: Re: [Paddlewise] perfect..... kit boat
Date: Tue, 07 Dec 1999 14:24:14 -0800
William J. Oetjen wrote:

> At the risk of making an already convoluted thread even more so,
> I noticed that lots of people stated opinions about Tupperware,
> shatterglass, and  kevlar, but no one specifically commented on any of
> those glass/plywood/glass kit boats out there.  Since I am anxiously in
> the market for one of them (most likely a Pygmy Osprey HP) I'd appreciate
> hearing more about that.

I made one (Pygmy Osprey Std) and love it for day trips.  (It is a little small
for multi-day trips for me -- but would be OK for somebody 50 lbs lighter.) 
Definitely lighter and maybe stiffer (I think) than trad. FG layup.  Way cheaper
than FG or plastic, IF you do not consider your labor an "expense."   But, you
gotta love the assembly process.

Drawbacks:  the hydrodynamics can not quite approach those of hulls popped out
of molds, even though mine is a "multi-chine" design.  Winters and Broze (among
others) might be able to quantitate the difference, if enticed.

Strip-built boats avoid the chine problem, but at the addition of considerably
more work than stitch-and-glue plywood kits.  Guillemot Kayaks
(http://www.guillemot-kayaks.com/) has a great Web site, complete with a
builder's Web board for trading hints and insults <g>.

Others will chime in on chines and their value as a turning edge -- Whilden,
where are you?

BTW, the Osprey HP is pretty much a straight-ahead hull.  Have you considered
the Arctic Tern or the Coho (both Pygmy Designs, if that is your preference)?

-- 
Dave Kruger
Astoria, OR
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From: K. Whilden <kwhilden_at_u.washington.edu>
subject: Re: [Paddlewise] efficiency of multi-chines (was: perfect..... kit boat)
Date: Wed, 8 Dec 1999 07:46:55 -0800 (PST)
Read below for a few specific comments on the efficiency of multi-hull
chines and eskimo kayaks. Also a few comments on the benifits of chines
and on the Osprey HP.

 I've been reading paddlewise only very infrequently lately, since most of
my time has been taken working on a website that I am starting up. If
anyone wants a preview of it, go to http://www.yourplanetearth.com
Cheers,
Kevin
                         -------------------------------
                         |        Kevin Whilden         |
                         |     kwhilden_at_seanet.com      |
                         |   Kayak Academy Instructor   |
                         | http://www.halcyon.com/kayak |
                         -------------------------------

On Tue, 7 Dec 1999, Dave Kruger wrote:

> William J. Oetjen wrote:
> 
> > At the risk of making an already convoluted thread even more so,
> > I noticed that lots of people stated opinions about Tupperware,
> > shatterglass, and  kevlar, but no one specifically commented on any of
> > those glass/plywood/glass kit boats out there.  Since I am anxiously in
> > the market for one of them (most likely a Pygmy Osprey HP) I'd appreciate
> > hearing more about that.
> 
> I made one (Pygmy Osprey Std) and love it for day trips.  (It is a little small
> for multi-day trips for me -- but would be OK for somebody 50 lbs lighter.) 
> Definitely lighter and maybe stiffer (I think) than trad. FG layup.  Way cheaper
> than FG or plastic, IF you do not consider your labor an "expense."   But, you
> gotta love the assembly process.
> 
> Drawbacks:  the hydrodynamics can not quite approach those of hulls popped out
> of molds, even though mine is a "multi-chine" design.  Winters and Broze (among
> others) might be able to quantitate the difference, if enticed.
> 

If this is true, then why did the Aleut Eskimos build boats with
multi-chine hulls? I would suggest they may have thought multi-chine hulls
were better than rounded hulls, and I don't believe for a second that they
didn't have the technology to build a smoothly rounded hull. I am of the
opinion that they arrived on their classic baidairka design after
centuries of rigorous testing that would rival anything that we do today.
Note that I am not saying necessarily that multi-chine hulls are more
efficient than rounded hulls, but I am saying that they might  be better
in an overall sense.


> Strip-built boats avoid the chine problem, but at the addition of considerably
> more work than stitch-and-glue plywood kits.  Guillemot Kayaks
> (http://www.guillemot-kayaks.com/) has a great Web site, complete with a
> builder's Web board for trading hints and insults <g>.
> 
> Others will chime in on chines and their value as a turning edge -- Whilden,
> where are you?
> 

I am not convinced that the presence of chines is all that important for
turning. Rather it is the hull shape that matters (although I have few
ideas as to how it matters). I have paddled plenty of rounded hull boats
that carve turns admirably, and several hard chines boats that turn
listlessly. I do believe that all else being equal, chines may enhance
turning in a secondary way. 

However, I am quite convinced that hard chines have tremendous value when
surfing wind waves, ocean surf, or tidal rapids. They are also quite
valuable when paddling in quartering seas.

> BTW, the Osprey HP is pretty much a straight-ahead hull.  Have you considered
> the Arctic Tern or the Coho (both Pygmy Designs, if that is your preference)?
> 

Dave is right on here. Unless you are planning to compete or paddle really
fast, then you shouldn't buy the HP. At normal cruising speeds, the
efficiency advantage of the HP is practically nonexistant, and turning
disadvantage is quite significant.


> -- 
> Dave Kruger
> Astoria, OR
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From: 735769 <735769_at_ican.net>
subject: Re: [Paddlewise] efficiency of multi-chines (was: perfect..... kit boat)
Date: Wed, 8 Dec 1999 15:40:29 -0500
Kevin wrote;

(SNIP)

>
> If this is true, then why did the Aleut Eskimos build boats with
> multi-chine hulls? I would suggest they may have thought multi-chine hulls
> were better than rounded hulls, and I don't believe for a second that they
> didn't have the technology to build a smoothly rounded hull. I am of the
> opinion that they arrived on their classic baidairka design after
> centuries of rigorous testing that would rival anything that we do today.
> Note that I am not saying necessarily that multi-chine hulls are more
> efficient than rounded hulls, but I am saying that they might  be better
> in an overall sense.

Any ideas on how they would build a smooth round bilge hull? I alos have in
interest in the test protocol. I have always wondered how they knew when
they had achieved the best trade-off between wavemaking and friction
resistance.


> > Strip-built boats avoid the chine problem, but at the addition of
considerably
> > more work than stitch-and-glue plywood kits.  Guillemot Kayaks
> > (http://www.guillemot-kayaks.com/) has a great Web site, complete with a
> > builder's Web board for trading hints and insults <g>.
> >
> > Others will chime in on chines and their value as a turning edge --
Whilden,
> > where are you?
> >
>
> I am not convinced that the presence of chines is all that important for
> turning. Rather it is the hull shape that matters (although I have few
> ideas as to how it matters). I have paddled plenty of rounded hull boats
> that carve turns admirably, and several hard chines boats that turn
> listlessly. I do believe that all else being equal, chines may enhance
> turning in a secondary way.

Aren't the chines a part of the "hull shape"?


Cheers,

John Winters
Redwing Designs
Web site address, http://home.ican.net/~735769

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From: Robert Woodard <woodardr_at_tidalwave.net>
subject: RE: [Paddlewise] perfect..... kit boat
Date: Tue, 7 Dec 1999 17:50:16 -0500
Bill O wrote:

> Dear Folks,
>
> At the risk of making an already convoluted thread even more so,
> I noticed that lots of people stated opinions about Tupperware,
> shatterglass, and  kevlar, but no one specifically commented on any of
> those glass/plywood/glass kit boats out there.  Since I am anxiously in
> the market for one of them (most likely a Pygmy Osprey HP) I'd appreciate
> hearing more about that.

Shuush! Wanna give away our secret?

Speaking for myself here of course...While I would NEVER try to play with my
wood kayak in a turbulent rock garden, having built my wood strip boat
myself, I feel confident I could repair most anything that goes wrong (with
the boat anyway).

Story time: When I was constructing my Guillemot, my son and I spent the
better part of a day in the back yard fairing and sanding the hull to prep
it for fiberglassing. As we brought the hull back inside, we turned it over
so we could start laying the strips for the deck. The hull slipped off the
form and split end-to-end. We both stood there with a stupid look on our
face and an empty form in our hands. Mind you, this is before the fiberglass
was applied, so the hull was expectably weak.

Finally my son spoke and asked if it was his fault the kayak just broke in
half. I assured him it wasn't and we carried it back out to the back yard
and glued the two pieces back together. It was traumatic at the time, but if
we could fix that, we could fix anything. There have been several "patches"
done this year to the fiberglass (to cover flaws in my construction, not
because of a collision), and you wouldn't be able to tell me where they are.
I know only because I was the one that put them there.

While I try to avoid regularly "running it up the beach", that hasn't
prevented me from doing so from time to time. A little extra glass in the
right areas give you the confidence that even if you scratch it up, a skim
coat of epoxy or another coat of varnish will have it looking new again. An
elderly gentalman I paddle with *always* runs his stitch and glue boat
ashore after a paddle. Especially when he is ready to repaint the hull!

Woody


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From: Dave Uebele <daveu_at_sptddog.com>
subject: Re: [Paddlewise] perfect..... kit boat
Date: Tue, 07 Dec 1999 15:10:11 -0800
Re: Kit kayaks....

I've built two Pygmy Coho's. I've generally been happy
with the construction of the kayak. I think their directions fall a
little short regarding seats and hatches, which are almost treated as an
afterthought.

My general attitude, I built it, I can repair it.
There seem to be several friend of friend stories that the the wood 
composites are pretty tough (surviving falling off racks at highway
speeds, etc.). It is pretty amazing how a bunch of long thing
strips of plywood can come together into something that tough.

Strength depends in part on how well you build the wood composite.
Scratches you can sand out or fill with epoxy or varnish. 
In fact Pygmy assumes the bottom strip of fiberglass along the 
keel may need to be replaced from time to time as it gets scratched 
up by landings.

It is possible to split a seam, I know, I did it when trying to install
a bulkhead that was a bit too big for the interior dimension, but repair
was applying more tape, fiberglass and sanding.  I was also putting a lot
of force on the seam, essentially forcing a wedge inside the hull.
Strength seems to be as good as the fiberglass, and in theory, less
brittle with the wood core than a pure fiberglass.

You can make it tank like, both in weight and strength by multiple layers
of epoxy and glass inside and out, or you can make it more lightweight, 
and a bit more fragile by reducing the weight of glass cloth, and where 
or how many layers you add.

They are rigid, like fiberglass kayak.

dave

-- 
Dave Uebele (daveu_at_sptddog.com)	 Spotted Dog Systems
http://sptddog.com/daveu.html
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From: <dmccarty_at_us.ibm.com>
subject: Re: [Paddlewise] perfect..... kit boat
Date: Tue, 7 Dec 1999 18:05:59 -0500
FYI there is a show on PBS, Sunday mornings at 11:30, concerning boat
building.  The last couple of episodes have been building a stitch and glue
wooded kayak.  I think it is a Tern.  It you can find the show it is well
worth watching.  The show does not spend 30 minutes on just the kayak but
does talk about other issues.  But what he does shows I think would help
someone building or thinking about building a kayak.

Course if you are not in the US then the show is not likely to help much!
8-)

I'm sure people with more knowledge will add more to the topic but the boat
on the show has a thin plywood that is being stiched with wire ties and
then epoxied togather.  Then the boat is fiberglassed at least on the
exterior.  I now understand what a stich and glue boat consists of.  The
phrase always puzzled me before...

Hope this helps...
Dan McCarty



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From: D. Key <dtheman_at_u.washington.edu>
subject: [Paddlewise] Surf Ski Kayak for Sale
Date: Tue, 7 Dec 1999 15:48:11 -0800 (PST)
The perfect boat for recreational racing and surfing.

Futura II fiberglass surfski.

19'x20"
<40lbs

Equipped with rudder and small day hatch.
Bright yellow with black trim.
Bracsa' carbon wing paddle included.

The boat is in excellent condition and is located in Seattle.

I am asking $1200 for the package.

Thanks,
Daniel

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
"When all is said and done, more is said than done."
Daniel Key
dtheman_at_u.washington.edu
(206) 527-2915
http://students.washington.edu/dtheman
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-




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From: John Fereira <jaf30_at_cornell.edu>
subject: Re: [Paddlewise] perfect..... kit boat
Date: Wed, 08 Dec 1999 11:33:31 -0500
At 04:31 PM 12/7/99 -0500, William J. Oetjen wrote:
>Dear Folks,
>
>At the risk of making an already convoluted thread even more so,
>I noticed that lots of people stated opinions about Tupperware,
>shatterglass, and  kevlar,

I noticed that too.  However, what I found complete unnecessary was
the use of  the disparaging terms to describe the plastic and fiberglass
layups.  The pros and cons of each can be discussed without using
loaded terminology and the general consensus that I have seen after
reading numerous debates on the topic is that there is no perfect boat
for every paddler for every type of paddling.  

> but no one specifically commented on any of
>those glass/plywood/glass kit boats out there.  Since I am anxiously in
>the market for one of them (most likely a Pygmy Osprey HP) I'd appreciate
>hearing more about that.

Since I just received the kit for a CLC Northbay XL I've recognized the
benefits of a wood boat.  

>From my experience the only negative that I have found that seems to
be common among all layups is that their owners tend to get a little
over zealous in their advocacy of what they happen to own.


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