Vehicle & Technical > Discovery

Alternator load

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muddyjames:
just an idea but if you have no air con why not just go and fit another alternator in the place the air con unit would go and have another battery for a winch and lights etc? A second hand alternator cant be that much and there was a thing in LRO mag last year sometime. It looked easy to do.

hobbit:

--- Quote from: "muddyjames" ---just an idea but if you have no air con why not just go and fit another alternator in the place the air con unit would go and have another battery for a winch and lights etc? A second hand alternator cant be that much and there was a thing in LRO mag last year sometime. It looked easy to do.
--- End quote ---


Good point I was going to fit a 24v system into the disco and mount a 24v alternator on that mounting point

Damonski:
grgrgr I bet the Mpi doesnt have a second mounting point :(

Bush Tucker Man:
I recently found out that the new Mercedes ambulances that WYMAS have are fitted with 200 amp alternators :shock:  :shock:

(& 3 batteries)

Matt_H:
running just lights and winch you don't really need more than the standard to be honest - I mean are you planning on using the extra lights all the time? - most likely not!

There is not an alternator in the world you could fit to cope with a winch drain though.  (dons flaem proof pants)

I twin batteried mine with the biggest car batteries I could get hold of 600 soemthing AH, wired in parrallel (you must get two batteries together) they were £35 each so not much money.

I had 4 x roof spots @ 55watt each, 80/100 mains, and a winch as well as the normal add ons (laptop, gps, stereo etc etc).. At peak I could draw around 700 amps.. I never had any problems restarting the motor or the batteries running down.

If you are thinking of night time winch challenges then yuo are going to have a problem, if you are like 99% of us and like a bit of green laning and some night time stuff then really don't bother changing anything until you find a problem and you probably wont if you have a decent battery.

Matt

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