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SIP Speedo and Modcharger ????
Posted: Tue Oct 18, 2016 10:26 am
by alanscottj
Morning, I was wondering, would I be able to use the DC output from this Modcharger to run my SIP speedo?

Re: SIP Speedo and Modcharger ????
Posted: Tue Oct 18, 2016 12:49 pm
by Knowledge
Is this because you want to run the SIP speedo off DC, or because you believe you must run an SIP speedo off DC?
I don't have an SIP speedo, but my understanding is that they run off AC, and if you want to run them on a DC system (such as Wassell rectifier/regulator) then there are some small changes that you need to make in order for it to work. There was a long thread about overcoming issues with SIP speedos on DC systems. Use the search function on this forum (or was it the LCGB forum?)
Re: SIP Speedo and Modcharger ????
Posted: Tue Oct 18, 2016 1:38 pm
by alanscottj
Knowledge wrote:Is this because you want to run the SIP speedo off DC, or because you believe you must run an SIP speedo off DC?
I don't have an SIP speedo, but my understanding is that they run off AC, and if you want to run them on a DC system (such as Wassell rectifier/regulator) then there are some small changes that you need to make in order for it to work. There was a long thread about overcoming issues with SIP speedos on DC systems. Use the search function on this forum (or was it the LCGB forum?)
Mine does run on AC but I was hoping it might run a little better if on DC - it tends to fade a bit on tick-over - I just thought I would ask the question whilst I have my headset off to tidy up the electrics in there.
Re: SIP Speedo and Modcharger ????
Posted: Tue Oct 18, 2016 5:52 pm
by Timbo
The guy that sells the Modcharger is very helpful ask him..
Re: SIP Speedo and Modcharger ????
Posted: Tue Oct 18, 2016 6:03 pm
by GeorgeS
The rev counter needs an AC feed but the power feed can be either ac or dc. I ended up running off a battery which is charged by the dc circuit as tick over output wasn't enough to power consistently.
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Re: SIP Speedo and Modcharger ????
Posted: Tue Oct 18, 2016 7:14 pm
by shocky
Same as above I just put the Rev counter feed on the inlet side of my wassel
Re: SIP Speedo and Modcharger ????
Posted: Tue Oct 18, 2016 8:55 pm
by alanscottj
Thanks all - I think this will be a job for winter - thanks for the advice though at least I know where to start

Re: SIP Speedo and Modcharger ????
Posted: Tue Oct 18, 2016 11:10 pm
by rosscla
I have Wassel conversion and have spliced the tacho sensor into one of the yellows before the rectifier. Seems to work fine.