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PeconicPuffin
Joined: 07 Jun 2004 Posts: 1830
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Posted: Thu Mar 02, 2017 9:08 am Post subject: |
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I like these numbers a lot. My only caveat would be to call under 8 knots a marginal jibe even if it is brief, though, and save "planed through" for 8+.
boardsurfr wrote: |
10 knot is a "steady state" planing speed - if the wind is just right (or rather wrong), I can stay on a very slow plane at 10 knots for a while on a 100-110 l slalom or freestyle board. That's based on "real time" announcements from GPSLogit on an Android phone.
For jibes, I use 8 knots as a threshold for a cleanly planed-through jibe, and 6 knots for a marginal jibe. If the speed drops to 6 knots briefly during a jibe, the board never has time to sink back into the water; most observers would call it a planed-through jibes. A jibe with a 10 knot minimum speed feels darn good.
The other useful indicator of jibe quality is how much of your entry speed you loose. Keeping 50% of the speed is good, 60% is very good. Even outstanding jibers don't usually go much above that, unless they have some help from well-timed waves or similar. GPSAction Replay makes this kind of analysis easy. |
_________________ Michael
http://www.peconicpuffin.com |
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isobars
Joined: 12 Dec 1999 Posts: 20935
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Posted: Sat Mar 04, 2017 10:15 pm Post subject: Re: Fantastic discussion! Let me clarify a few points... |
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manuel wrote: |
- g-forces (how hard/quick it turns)
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Do you have ANY idea how dependent that is on rider input? Hundreds of percent, at LEAST. |
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