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Date:         Mon, 28 Apr 2003 16:42:27 -0400
Reply-To:     David Brodbeck <gull@GULL.US>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         David Brodbeck <gull@GULL.US>
Subject:      Re: Custom Gauge Installation Options?
Comments: To: Steve Delanty <laurasdog@WEIRDSTUFFWEMAKE.COM>
In-Reply-To:  <5.1.1.6.0.20030428132247.00a5fab0@mail.gct21.net>
Content-Type: TEXT/PLAIN; charset=US-ASCII

On Mon, 28 Apr 2003, Steve Delanty wrote:

> The TO-92 case is plastic. The TO-46 metal can might be better > for adapting to cooling system.... maybe.

I can think of two options.

- Quick but less accurate: Epoxy the TO-46 metal can to the outside of a metal coolant pipe, preferably one of the brass fittings because brass is more conductive than steel. Wrap with pipe insulation. The interesting part about doing it this way is you could easily and cheaply monitor temperatures at several points in the system.

- More involved, but quite accurate: Stick the TO-46 or TO-92 version in a brass or copper tube that's sealed at one end. Fill with epoxy, after wiring. Mount through the side of a fitting into the coolant stream, like a typical water temp gauge sender.

If anyone is installing a water temp gauge on a diesel, incidentally, I can suggest a really easy way to install the sender. Might work on a Tiico, too.

Personally, I'd rather have a good, expanded-scale analog gauge than a digital one. I find analog gauges much quicker to scan. Ideal would be one that went from about 180 degrees F to 250, because that's the range I care about.

David Brodbeck, N8SRE '82 Diesel Westfalia '94 Honda Civic Si


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