I haven't voted, as am only running 6V, which works fine so long as I keep up a tail wind to blow the light in front, have to slow down occasionally let it catch up.
A couple of years ago, I took a bunch of genny bits, (sorry, dyny bits) to Les McKitterick the now-retired legendary auto sparky, and asked him about converting to 12v, he just looked at me and asked 'why ? '. At that time I didn't know enough to have a case, so left it go....
I just took the bits and made up one that works and when it claps out, I'll consider the options that I'm learning from this discussion
(still none the wiser
).
It all goes back to steel hulled ships used in WW II.
They discovered that you could use electrodes connected to the ships
A few years ago (2005), I did some work at a new 400+ metre long wharf at the end of the river, and 4 foot steel piles were used, exposed part wrapped with lanolin lagging covered with fancy tar/poly stuff from top down to low water mark only.....this had me curious when/how they were going to finish the job....
One day a mega transformer turned up- to cut the story shortish, turns out it runs I think a high voltage/low amps DC through the piles and stops corrosion, the guy assured me the more corrosive the (electrolyte) water, the better it works.... more
... but can't remember the polarity- sorry !
He also reckoned it keeps the sharks at bay...(no pun intended)..
