Bicycle Computer on the gpz

[Steve Northrop]

Julian, here are a couple pics, one of my cockpit with the Sigma BC800 and
another of the magnet epoxied to the rotor carrier and the pickup filed
smooth on the back and epoxied to the fork leg. I was going to suggest you
do the same but nothing would stick to all that crud! That's got to be the
dirtiest GPZ I've ever seen. Have some pride in your ride man!


Steve in Western NY
'96 GPZ1100
'02 Daytona 955i
"You Can't Fix Stupid", Ron White

----- Original Message ----- 
From: "Julian Solomensky" <jsolo at solo-tek.com>
To: "Julian Solomensky" <jsolo at solo-tek.com>
Cc: "Kawasaki GPZ1100 discussion" <gpzlist at micapeak.com>
Sent: Monday, May 07, 2007 8:24 PM
Subject: Bicycle Computer on the gpz


> My saga with the speedo replacement prompted me to get a bicycle computer 
> for more accuracy.
>
> The zx11 unit on the average reads about 5 mph too high.  Even more at 
> higher speeds (70 vs 62 actual).
>
> I saw some pics on Art Lischer's pic page, liked the installation and 
> figured I could do something similar.
>
> The unit I got was the Sigma BC1606L - it has back light capability so it 
> should work at night.  Shows all the typical functions including timers, 
> clock, max/avg speed, trip distance, total odo, and a few others I can't 
> recall (cadence - like that's going to help on a motorcycle).  $25 or 
> $26+tax from REI locally.
>
> I really liked the clever magnet Art used for his (little thing, about the 
> size of a dime), but while waiting to order and/or see if he has any more 
> I tried the one that comes with the unit.  Originally I thought it would 
> be too weak to pulse the receiver given the distance and would require one 
> of those rare earth magnets.
>
> The one included with the unit looks like a slightly larger tylenol 
> capsule shape wise.  I attached it to the brake rotor carrier as can be 
> seen in the pic below.  Three cable ties were used.  Two to secure the 
> only and one at the outer edge.  If it's going to go anywhere it's going 
> to want to go outward, so that third cable stop ought to stop it.
>
> The pickup was attached using an old oil filter oring!  Don't ask!  It was 
> something I had on hand which worked very nicely actually.  The cable tie 
> around it is for extra measure.  I'd say the pickup is about 1/8" to 3/16" 
> away from the magnet on the carrier.
>
> The bracket for the main unit is designed to fit on a bicycle handlebar. 
> It has a curvature builtin.  The closest thing on the triple tree that 
> resembled a curved surface was the side of the clip on.  I did pick up 
> some heavy duty double sided tape from radio shack (the 3m VHB stuff), but 
> opted to see how well the included sticky works.  Seems to hold pretty 
> good actually, so I may just leave it that way.  When routing the cables, 
> car must be taken to ensure there is enough slack when the fork is fully 
> extended.  Aside from that, the extra was gently cable tied to the clutch 
> line.
>
> I'm still playing around with the calibration factor, but thus far the 
> unit itself seems to work very well.  Visibility could be better, but it's 
> adequate where it is.  We'll see how it is with the helmet next weekend 
> when I go on a longer ride.
>
> Pic's below,  dialup folks be patient, these are large.
>
> http://img143.imageshack.us/img143/5575/1001615fv1.jpg
> http://img148.imageshack.us/img148/9683/1001616tw7.jpg
> http://img504.imageshack.us/img504/650/1001617el4.jpg
> http://img148.imageshack.us/img148/7874/1001618eg8.jpg
> http://img148.imageshack.us/img148/8262/1001619lj4.jpg
> http://img527.imageshack.us/img527/7143/1001620fw4.jpg 
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