Re: [Paddlewise] Bad Forward Sweep

Boy is my face red!  Both Matt and Nick are correct,  The boat does turn around
it's COLR, not COF!  I was using the wrong term.  Just goes to show you what 34
years between classes and your first application of that knowledge will do.  My
apologies to everyone, I was suffering from an attack of  CRS  (can't remember
stuff), an age related problem that, until now, I only thought affected my
mother  :-))

If you substitute COLR for COF in my argument, then I think everything holds
together:
1.  As you move forward through the water the COLR moves towards the initiation
of the sweep, effectively reducing the lever arm and hence the amount of effort
you are able to input to the turn initially, and increasing the amount of effort
you get in the last half; and
2.  The force the body is able to exert on the initial outward sweep with the
arm extended over the shoulder is less than it can during the inward pull at the
end of the sweep with the arm below the shoulder.  At least it feels that way to
me, and
3.  Matts comments on pressure distribution are also right on the mark with a
higher pressure at the bow and lower at the stern moving the COLR forward.

And that's why the the first part of the sweep doesn't work as well as the last
part.

Thanks to everyone for their comments and corrections.  I like a good technical
discussion.

John Blackburn


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