cNw electronic instruments upgrade / change

Hi all,

I designed an electronic instruments kits several years back using a set of Autometer gauges

http://coloradonortonworks.com/part-cat ... /#post-309

As a speed sensor trigger I made a stainless (non magnetic) nut that replaces the reverse threaded retainer that sits under the original speedo gear box. I had two buried magnetic pins inside that nut that were the actual triggers for the speed sensor. Nice and clean

However, over time I got some feedback from customers that told me that their speedos bounced a bit when they got up to higher speeds.

No liking this as the idea of having an electronic instrument is to have a more accurate gauge of course. So I decided to get to the bottom of it and just finished a new design on that nut. This has 6 triggers rather than two and instead of buried they are surface mounted. They are also larger in diameter.

This changes the frequency and also offers a more accurate trigger and stable signal. Ultimately this is making a big difference in the gauge. Absolutely rock solid needle all the way through the range. I tested on several different machines and all with the same positive results

So anyone that has bought my electronic instruments in the past and has bouncing issues (or not) can contact me at the shop directly ( nortonworks@fone.net ) so that I can send them a new trigger nut to replace the old style. It will require a re-calibrate of the gauge but that is very straight forward

Image of the old (left) and new (right) triggers




New trigger installed



Matt / Colorado Norton Works

http://www.coloradonortonworks.com

Hi Matt,

Nice elegent design.

Would your trigger setup work with the new electronic Smith's speedo?


Kevin

Kevin,

I have the Smiths as an option on my builds at this time and I use the same trigger/sensor set up when running those gauges. There are 4 parts to the set up. The reverse threaded bearing retainer/trigger, a speed sensor holder/spacer, an internal spacer and the speed sensor itself. All polished stainless parts. Low production runs and not inexpensive. $ 233.80 complete. You wont find these for sale on my site as I never really intended to sell them out of the instruments kit but they are available directly from the shop

Requires that you have a sealed bearing in the hub on the right side. There is a direct replacement, # 6203, sealed bearing that can be used

Matt / Colorado Norton Works

www.coloradonortonworks.net

Matt,

Many thanks for the reply.

I'll start saving

Dang Matt; as usual, high quality stuff right there.