Hi all, has anyone fitted the new Electronic Tacho from the VOC Spares ? I am having trouble with initial setup, any help appreciated.
Regards
Kevin
All Good, got it sorted....Rule #1.... DO NOT FOLLOW INSTRUCTIONS
When I followed instructions to the letter (multiple times) outcomes were nothing like mentioned in documentation.
Installation: EASY
Setup/Calibration: IMPOSSIBLE (if you follow instructions)
Kevin
Dear Kevin,All Good, got it sorted....Rule #1.... DO NOT FOLLOW INSTRUCTIONS
When I followed instructions to the letter (multiple times) outcomes were nothing like mentioned in documentation.
Installation: EASY
Setup/Calibration: IMPOSSIBLE (if you follow instructions)
Kevin
With a single double output coil, I assume one low tension pulse to the coil will give two sparks. Is the tacho circuitry counting low tension pulses rather than sparks?....... Ever since my tacho gearbox spit its innards out, I've had the wrong ratio gearbox (bought from ebay). It came to a head at Cadwell last year when the noise meter was reading high due to me using the wrong revs for the test.
While in the garage one winter day I noticed a broken instrument cluster off my daughter's 125 Yamaha (single cylinder 4 stroke), having nothing better to do, I connected it to the Egli (Pazon ignition firing twice per rev) and it worked. Reasoning that the tacho would read double due to the Yam firing once per rev, I set about modifying it to fit. Double the reading was easier to convert mentally than 1.3 x of my existing mechanical one, and it would be registering about 3 at 30 mph, 7 at 70 mph etc, which is handy when my bicycle speedo has no light for night time riding - Keep up, I know it's confusing. After several hours stripping bits out of a Smiths clock and fitting the Yam innards I had a presentable looking, working tacho - quite satisfying for one of my quick projects to actually work.
The thing is, it reads the right revs, not double and I can't work out why. The pickup wire goes to a single double output coil.
Any offers?
H
I assume it counts pulses, but you know what they say about "assume".With a single double output coil, I assume one low tension pulse to the coil will give two sparks. Is the tacho circuitry counting low tension pulses rather than sparks?
I have fitted one , 5 years ago , made by Dutch electronic specialist, electronic "smiths" rev counter fitted in an original smiths housing and it works perfect from day one.View attachment 2411
Hi all, has anyone fitted the new Electronic Tacho from the VOC Spares ? I am having trouble with initial setup, any help appreciated.
Regards
Kevin