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Sea Kayak Trips Bulletin Board
Re: GPS vs. Speedmate
Posted By: Mike and Rikki (aka Tig and Tink) In Response To: Re: GPS vs. Speedmate (Greg Stamer)
Date: Friday, 21 October 2005, at 3:53 p.m.
Greg
What kind of water are you paddling on? It seems that stroke tuning would be difficult on bumpy oceans. What kind of miles do you paddle and in what? I'm curious as to what your training regimen and focus is, and what you're paddling in, and what other cross-training you're doing.
Right now I'm doing on essentially flat water for an ocean, 3-8 mph winds, seas up to a foot with swells maybe 2 feet, flat for an ocean. My speed yesterday was 5.3 mph into the wind and 30 off from a 2.5 knot current, 5.7 mph return to launch point. Total distance (Garmin 60C, waypoints also entered into a Garmin Forerunner 201) 21.4 miles (averaged between the waypoints entered from the 201 charted versus the 60C results), in a stitcher 18 footer is designed and built (like Nick's Night Heron but more fish-form and a few inches longer), Werner Corryvrecken bent-shaft. Seems like I do better with stroke efficiency and tuning up by paddling nearly daily at least 20 miles or at least 100 miles a week (usually 150-160), but focusing on as quiet and clean a stroke as possible. My coach used to have me paddling in a lake near the training center and even for a while there, had the heart monitor but that turned out to be useless.
Do you factor in wind effects? I don;t because it 's so variable over the course I paddle. I try to hit waypoints between speed bursts between sprints but oftebn get into a groove and only hit the turn-around point. Also, I'm eating a 3200-3500 kcal diet heavy on the carbs. And you?: I was out yesterday with both the Speedmate and my GPSMAP 76 on deck, and was
: thinking about my last post. I again found the GPS to be very poor for
: stroke tuning. I made a minor change to my stroke and the unit danced
: around: 4.8k, 5.0k, 5.3k, 4.6k. In other words the sampling caused so much
: short term error that I couldn't make heads or tails of what my stroke
: change really did (although the GPS would have if I continued the stroke
: for an extended period of time). The Speedmate, by contrast, gave quick
: and much more consistent results that let me know if my change was a
: success or not within a few seconds.: If I had to pick only one unit then I'd get a GPS, but a good knotmeter is
: hard to beat for improving your stroke.: Greg Stamer
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