Been a while since my last post - took a break from the FFR by towing an A'van around the country behind the Prado for a few months, plus a bit of time up the snow.
Anyhow, it's now time to get cracking on 51-490 again. With a WICEN event coming up in early Oct, providing remote area comms support for the Hume & Hovell Ultra Marathon, priority was on making Spence sleepable plus getting the power storage up to scratch.
New 24v Battery Set
I finally gave up trying to source batteries to match the originals, so relented and got a pair of lower cost, more readily available D70Zs. Since the battery compartment is directly above the muffler, to tolerate the heat, I chose standard lead-acid deep cycle batteries. The D70Zs are the same width as the originals, however, approx 40mm shorter. So I had a piece of angle welded onto the original battery holder to enable it to clamp onto the new batteries. I also added a block of 40mm x 18mm pine to the back end of the base to stop the batteries sliding back.
Here is the result: