[C38] speed. GPS is lots better than wheel

[Don Strong]

We did tests of our Signet paddle wheel versus several GPS over measured 
courses with stop watches etc. The wheel was inconsistent, faster and 
slower than the GPS. The GPSes matched each other as perfectly as we 
could record and exceeded the precision we could muster with stop 
watches. No contest. We quit after a few tries and had a beer.  My pal 
was a VP at Magellan, and predicted the outcome. He still teases me 
about it.
Don

On 1/13/11 7:46 PM, Steve Smolinske wrote:
> Does anyone have any knowledge on the location of the knot meter on 
> the centerline?  Peregrine is in the yard having mushroom mounts 
> removed and replaced with flush mounts.  I instructed in writing to 
> the yard along with a photo to place the knot meter on centerline 33% 
> of the distance from the keel to the waterline entry point.  They have 
> placed it 1' in front of the keel and stated that is the perfect 
> location and any further forward it will be subject to disturbance 
> from the bow wave.  (yes they went ahead without contacting me 
> first)   We are going to talk about it tomorrow morning and Im hoping 
> someone has some definitive information I can use. Grrrr  Thanks
> Steve
> #312 Peregrine
> Seattle
>
>
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-- 
Donald R. Strong
Professor
Dept. of Evolution and Ecology
University of California, Davis 95616

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