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"Nel" posted a comment to my review of the EOS to the affect that it would be good if we did an article of rudder design.  The topic being an area of interest to me and having experimented with rudders and fins over many years I needed no second invitation.
Rudders - swept back and elliptical Rudders - swept back and elliptical Credits:

Design Innovation: Positive Caster Rudder

Sunday, 13 June 2010 21:03 | Written by
[Editor: Paddlers around the world build custom rudders of all shapes and sizes.  But Johan van Blerk has taken rudder innovation to a new level – by altering the angle of his ski’s rudder shaft to give it “positive caster”.   Will all skis be built this way in future?]
The PCR Positive Caster Rudder - Note the shaft angle! The PCR Positive Caster Rudder - Note the shaft angle!

Close Call – where was the safety gear?

Thursday, 04 March 2010 08:31 | Written by
Monday, 1st March, 2010 saw one of the strongest southeasters of the season hit Cape Town.  Cape Point was registering an average of 40kt, gusting to 46kt.  Roman Rock lighthouse showed an average of 39kt.

The Science of Paddling Part 3 – The Rough Stuff

Thursday, 25 February 2010 08:44 | Written by
Polish your surfski and go faster – or not?  Dr. Shawn Burke Ph.D. looks at the science of hull surfaces, turbulence and drag reduction…
Turbulence around a moving hull Turbulence around a moving hull

Ski Mods - the Things People do to their Surfskis!

Thursday, 22 October 2009 02:07 | Written by
From deck lines to a head mounted drinking system...  Here are some ideas and mods sent in by Didier "Pimp my Ski" Plouhinec and David Grainger. {mosimage}

Solution – Shipping 21ft Skis in a 20ft Container

Tuesday, 20 October 2009 13:14 | Written by
One of my favorite skits from the Not the 9 o’clock News UK TV Comedy Series involves an earnest-looking social worker being asked for her opinion on what needs to be done about soccer hooligans. “I know these kids,” she says, “I know their homes, their parents…” “… and the…

The Science of Paddling - Part I

Wednesday, 17 June 2009 15:37 | Written by
Why aren’t doubles twice as fast as single skis? If I lose weight, will I go faster?  For some answers to these vexed questions... read on!
Paddling in Synch! Paddling in Synch! Credits: Anthony Grote
[Editor: David Hartwanger of Intelligent Fluid Solutions explains how the Red7 Bullet Scuppers were designed.]   
Great shot of the bullet scuppers taken in Durban! Great shot of the bullet scuppers taken in Durban! Credits:

Bullet Scuppers

Tuesday, 09 June 2009 05:47 | Written by
I made a comment in my recent review of the Fenn Elite Double and the Apex Double skis that the balers on both were not at all effective.  Here's how to solve the problem - with the aid of a set of Red7 Bullet Scuppers.
Red7 Bullet Scuppers Red7 Bullet Scuppers Credits:

The "Fullfoot Advantage" – rudder pedal innovation

Saturday, 03 January 2009 10:47 | Written by
[Editor:  Fred Schiess from Santa Barbara, CA, wrote to us about an innovative modification to the rudder pedals in his ski.] Thank you for allowing me to describe and illustrate to you what it is I've achieved and believe to be a great improvement for a more powerful stroke and…
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