Subject: Re: baidarka Aleut Paddle was: R: paddling styles
From: James Mitchell (mariner@seanet.com)
Date: Sat Jan 13 2001 - 19:41:58 EST
I have a few that are completed. Some are the prototypes that I have been
testing, and those I will sell cheaply. If you are interested, please send
me an email offline to mariner@seanet.com.
----- Original Message -----
From: "Patrick Campbell" <patrick@laurelglen.com>
To: <baidarka@lists.intelenet.net>
Sent: Thursday, January 11, 2001 9:24 AM
Subject: RE: baidarka Aleut Paddle was: R: paddling styles
> I've been following this discussion from afar and I'm intrigued. Where
> could I get a paddle such as you describe (I don't have time to make one).
>
> Cheers, Patrick
>
> -----Original Message-----
> From: owner-baidarka@ns1.intelenet.net
> [mailto:owner-baidarka@ns1.intelenet.net]On Behalf Of James Mitchell
> Sent: Wednesday, January 10, 2001 8:27 PM
> To: baidarka@lists.intelenet.net
> Subject: Re: baidarka Aleut Paddle was: R: paddling styles
>
>
>
> Ummh, would you believe both? The power face is the ridged face, but the
> paddle will work well in low gear if held backwards. If your paddle
flutters
> heavily, try reversing it when starting up and then switching to the power
> face once your boat is near cruise speed.
>
> Every time I look again at these paddles, I become more impressed with the
> complexity. Had a major breakthrough this weekend in realising the
flutter
> impact of the distance between the back of the loom and the front of the
> power face.
>
> Try this: stick a piece of scrap wood under your fingers when you grip
your
> paddle. Hold the paddle loosely, and feel the flutter with and without the
> wood. Learn anything? That distance from where your hands pull the loom
> aftward and where the power face pushes on the water is CRITICAL in
> controlling flutter.
>
> I made a mistake in a bunch of paddles. I left too much wood on the back
> side. The back of the paddle (non-power face) has too high a ridge, too
> much wood behind the power face. The result is to move the power face too
> far forward ahead of the loom. That creates the kind of "caster" that Lew
> was talking about, which we feel as flutter.
>
> Tom, I am not sure that the ridge is for strength. I think the blade is
> plenty strong without it. But what I THINK it is doing is directing the
> flow of water around the power face, organizing the flow so it is
consistent
> and predictable. This will also impact flutter.
>
> Pull your paddle through, and watch the swirls of water behind the blade.
> There should be two whirlpools generated off the sides of the blades,
> coiling toward each other. Now notice how those whirlpools shift around
> behind the blade, searching for a place of least resistance to the flow.
> What if, instead of a flat surface, you had another "power ridge" for
those
> whirlpools to encounter? The power ridge on the BACK side organizes the
> flow, further stabilizing the paddle. Wanna see? Turn your paddle around
> backwards, and watch the whirlpools.
>
> Again, I do not think the ridge is for strength. I think it is for
control.
> Notice on the single blades, almost all of them have ridges on both sides.
> I think a double paddle with ridges on both sides would have an advantage
in
> flutter characteristics and power, however I think it would also be at a
> disadvantage for sculling braces and other maneuvers where the flat or
> slightly rounded back side is needed.
>
> But go try it yourself. Tell me what you think!
>
> ----- Original Message -----
> From: "Tom Wainright" <wainair@yahoo.com>
> To: <baidarka@lists.intelenet.net>
> Sent: Wednesday, January 10, 2001 12:28 PM
> Subject: Re: baidarka Aleut Paddle was: R: paddling styles
>
>
> > Hey Gerald
> > There seems to be two logics of the proper way to hold
> > this style of paddle. One, like modern paddles, you
> > hold it so the smooth side is the power face, as the
> > ridge on the back is just for reinforcement. And the
> > other being, on this style of paddle, to have the
> > ridged side as the power face because the slope on the
> > blade is at 90 degrees further back in the stoke
> > providing more power. I don't know which one is right.
> > I'm rather new to alot of this too, but maybe JamesM.
> > ,Lew and or Douglas Ingram would know, what with their
> > added experience with paddles?
> > Great picture though. That boat looks like what I hope
> > mine will look like once I've skinned it in the next
> > month or so. Tom
> > --- GUM@exmail.de wrote:
> > > Hello Tom,
> > >
> > > as I was using such a boat and paddle for the first
> > > time and considering that I
> > > am normally associated with greenland paddles this
> > > could be, but I think, the
> > > rigded part of the blade is the powerface, isn't it?
> > >
> > > Gerald
> > >
> > >
> > > I could be wrong, but are you not holding the paddle
> > > backwards? That is,is the power face of the
> > > blade
> > > facing forward? Tom.
> > >
> > >
> > > Gerald Maroske
> > > GUM@exmail.de
> > > -
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