Any use to anyone?
I 'fondly' remember the back-up to my 20 and 16 BRJ powered models. Three or four packs, a 100AH deep cycle lead acid battery, two chargers... Much easier when the buggy is parked right outside the house/garage. I never got to models over 60" span though - but they were fun to play with
Ten cell packs back of a geared Astro 35 with a fudged ratio were nearly as much fun, but far more practical on the whole. They were still pretty good at demolishing anything in their path, but at least didn't catch fire at any opportunity.
In the meantime, Granny has returned from shopping, the noise level has rocketed and all is another form of chaos.