(ET) 36v vs 48v and aluminum vs steel build

[Greg Curran <gcurran323 gmail com>]

Don’t mean to spam the thread, as I asked about the METI yesterday, but,
now that I’m able to spend time on tractors again, I’m going full bore
before anything else comes up.

Any game changing advantages to switching to 48v? I’m doing a
semi-ground-up build and trying to decide if this would make things easier
in the long run (more available parts from golf cart industry) or harder
(less original Elec-Trak components would be compatible).

In a similar vein, and with the mindset of doing more work upfront with
less ongoing maintenance, anyone have thoughts on going full aluminum build
(including the frame) vs the current steel route? Although perfect is
generally the enemy of good, I’m looking to optimize on this build and am
focusing on building a tough machine that’s as low maintenance as possible
(while still using much of the original Elec-Trak design). If I go
aluminum, I’ll be gathering up most of the parts I plan to replicate from
the original Elec-Trak and then having them replicated in aluminum, with
appropriate modifications, by a local shop. Not the most cost-effective
route to take, but this is as much or more of a passion build as it is one
based in practicality.
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