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From: grego@athena.UUCP (Grego Sanguinetti)
Newsgroups: net.cycle
Subject: Re: traffic lights
Message-ID: <316@athena.UUCP>
Date: Mon, 22-Jul-85 16:27:24 EDT
Article-I.D.: athena.316
Posted: Mon Jul 22 16:27:24 1985
Date-Received: Thu, 25-Jul-85 20:17:04 EDT
Organization: Tektronix, Beaverton OR
Lines: 24


	Most traffic lights are tripped by an inductor coil inlaid in the 
lane(s) just before the crosswalk. They look like two diamonds connected
by a straight line oriented lengthwise wrt the lane. One of these (double)
coils appears in each lane, including the left-turn lane if there is a
dedicated left-turn light. There is often a single diamond inlaid some
75 feet before the intersection for timing to approaching cars.
	The best plan is to make sure you pass over the approach coil and then
set your bike directly on the double coil so the connecting line passes
right underneath your engine. I have never had this fail (with a working
light) for any 750(4) or larger bike.

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					Grego Sanguinetti

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