martynvella wrote:Tough ask for a system to keep 2 fridges running, especially if one is a deep freeze, 48 plus AH every day. interesting to see how you get on, you might need a trailer for the solar panels lol. Many people have written off the old faithful 3 way fridge but sometimes they need to be included in a set up especially for long term freezers. There is a lot of energy stored in a 20 pound gas bottle. But that is another can of worms completely.
martynvella wrote:You have got lots of sums to do to work it out.
If you are going to look at driving being your main charging I would suggest at least 2 agm batteries not so much for capacity, which wouldn't be a bad thing, but together they will manage to capture more amp hours if only a short amount of driving is done.
Also id be planning on a 40 amp redarc bcdc, (and this is something I almost never recommend) upgrading to a 130 amp alternator and associated wiring do run the redarc. Even if you go for a gas freezer the larger alternator would be recommended. The manufacturers order their alternators to cope with the standard equipment, a 90 amp alternator does not have a spare 40 amps worth of capacity for an aux system.
Like I said, you have a lot of things to consider when the time comes if you want to get it right the first time but I think you already know that.
martynvella wrote:I'm sure you will work it out when the time comes.
That last idea needs work, run anything off your starting battery will eventually leave you with 2 flat batteries.
martynvella wrote:That makes more sense.
You have 3 problems to address,
One is producing the power to charge the batteries, remember if you demand more than 60% of the rated output power of an alternator for an extended period on a hot day you run a very high risk of destroying it.
Two is capturing the power in the time it is available, AGM batteries do this the best regardless if they are starting, hybrid or deep cycle.
Three is efficient distribution of the power and making sure you economize your demands.
Get the 3 of them right and you wont have any dramas.
joshyboy wrote:Nice one Wombat. I'm doing a similar build to you. Purchased an ex mining contractor's 2011 model from an auction, everyone i'd talked to had different opinions on buying a mining vehicle, lots of blokes reckon steer clear, but i worked with a bloke who got a really good patrol from a mine and it's never missed a beat, just checked it over quite thoroughly and had my brother with me in case I missed anything. (there were so many shitty looking, bashed up vehicles there and there was a bit of a bidding war on the one I ended up getting, but it was by far the cleanest and best looking vehicle of the lot.) Keep your progress posted, and I'm going to do a write up of mine soon... (can't seem to upload photos as they are too big!)
hilux_bondy_007 wrote:Awesome write up. Sounds like you have some major plans. If don't mind asking where did you get your canopy made? I am looking at buying one soon
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