I believe the 1985
Butler I owned was functionally identical to those produced now. The Chevy van was the weak link.
Why would you assume a shaft, given the transverse engine configuration, and the availability of PTO devices already in the UK market?
As far as space, it would take up no more room than the few slide in units recently installed in the Transit. You saw at least one in Nashville.
The 2 litre motor seems a better match for a TM than the near 5L V8s typically used in
CDS systems.
Butler already uses aluminum hose reels, and that could be tweaked by replacing solid bar stock with tubular, both increasing strength and reducing mass further.
The tanks would be a critical redesign area. I would reduce the primary solution and recovery tank sizes and refine their function. Extended solution and recovery capacity would be via bladder tanks that would share physical space, due to the fact that neither would be full at the same time. Well tested in agricultural and industrial applications.
Preheat the primary solution tank. Full time APO on the primary recovery tank.
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