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Ockam Instruments Blog

Recent Ockam Instruments Blog Entries

Sqeaky electronics get the grease

On most mechanical systems, you can tell when something absolutely needs more grease. It starts to squeak and things don’t work as well. You add grease, and everything gets better (most of the time). Do you need grease on electronics? You bet, especially on marine electronics! Now

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Overstanding the Layline

About overstanding the layline This post is about how much you should overstand the layline on final. Basically you need to balance the loss due to overstanding with the possible loss due to tacking onto the layline too early and having to pinch, or worse, do a

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Make your own polar?

Make your own polar?

If I log and plot my boatspeed, why can’t I make my own polar? Issues Most of the time you aren’t performing optimally. Most of your logs include eating lunch and other stuff that pollutes the data. Note taking showing the good spots is very hard to

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Tag List

Tag List If you are here, you are a true geek. This page shows the identifying characters used by the Ockam bus to define what the data refers to. Function Char hex dec 005 card Interfaces 1=Vs 2=Va 3=Ms,3a=3d 4=GPS 5=Polar Notes[1] separate items on 007, alternating

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NeoPolar

NeoPolar

NeoPolar ™ is the next generation of Polar functionality (What are Polars?). Polars are created by modeling your boat and sails and solving for the correct boatspeed versus true wind. In the 30 years since they were invented (at MIT), CFD modeling has come a long way.

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Tweaking AutoCal

Did you ever notice how some boats seem to have strange instrument readings only in certain conditions? Like having boatspeed be off by a half knot only when going between 4 and 6 knots, or the wind readings being off only at certain apparent wind angles? A

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Connecting new computers to your instruments

As many of you may have noticed, most laptops (and even desktops!) don’t come with a DB9 connector for RS-232 serial anymore. That’s a problem, since so many pieces of electronic equipment use RS-232 as means of communicating with a computer. USB has pretty much supplanted RS-232

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Ockam mobile web page

Every been stuck out at the boat trying to figure out what what’s gone wrong with your instrument system? Or looking for the phone number for your local dealer? Or forget what the command was to set the mast height in your instrument system? We have a

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KWRW 2008

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Broken Glass

Every once and a while, I get a Matryx display with a broken lens. It usually happens when someone puts a knee into the glass to brace themselves while pulling on a winch. I’ve even done it. The way I figure, each crew member will only do

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