[C38] Knot meter location

[S Orton]

I wouldn't worry about it, Steve- as long as you are leading the pack!  A GPS reading is more accurate anyway.  You will calibrate the knot meter over a measured mile to correct for hydro effects.  My knot meter is located half way between the water tank and the bulkhead, with the inspection doors, at the aft end of the vee birth.  It is also off the centerline to the right a couple of inches.  I've never been able to detect any speed difference between a star'd or port tack.
Steve O,  Santa Susanna #304
 


Date: Thu, 13 Jan 2011 19:46:52 -0800
From: SSmolinske at rainierrubber.com
To: listserve at catalina38.org
Subject: [C38] Knot meter location



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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