…and that’s the cheap one. - Mark
Sent from my Fuel Cell powered iPhone > On Aug 16, 2021, at 1:23 PM, paul dove <dov...@bellsouth.net> wrote: > > > I have one too but their riders are very high starting at $5,000. > > On Sunday, August 15, 2021, 3:37:06 PM CDT, Mark Abramowitz via EV > <ev@lists.evdl.org> wrote: > > > My current (non-riding) mower is made by Greenworks. I love it. They have > moved to lithium ion battery technology. They also have at least one > commercial riding mower. You might want to have a look. > > I like this company because the CEO is not only a nice guy, but is a > motivated guy who wants all yard equipment to go electric. He has started > from scratch and works his tail off. I give him credit for a movement that is > gaining steam for commercial lawn companies to use electric yard equipment, > and for cities to spec them in contracting out services. > > > - Mark > > Sent from my Fuel Cell powered iPhone > > > On Aug 15, 2021, at 10:06 AM, fred via EV <ev@lists.evdl.org> wrote: > > > > I too have been disappointed in the lack of lithium-chemistry battery > > electric mowers. Many moons ago, we purchased an Ariens Amp electric rider. > > Twenty tiny VRSLA batteries (4s5p) stuffed under the seat. The mower has > > been severely criticized in review from past times, although for wrong > > reasons, in my opinion. > > In the Florida heat, the pack managed to last three years. The replacement > > US$600.00 pack lasted about a year and a half. Thanks to a list member, my > > mower now sports a half-module from a Volt. > > I'm aware from my lead-acid Xebra days that fifty percent DoD is safest, so > > the mower got equipped with a CycleAnalyst, high current version. That > > meant I could baby the lead-acid pack, but it still could not tolerate the > > heat of the day or the heat of the storage. It turned into a > > three-charge-cycles-to-mow-a-quarter-acre mower. > > Having the Volt half-module means I can get two runs, possibly three from a > > single charge, but I am babying the pack even now by not max-charging it > > and bringing the battery inside after each use and also no charging it > > until the day before it is needed. I had to purchase a full module for > > US$600 but that means I have twice the capacity (but can't fit them both > > inside) so I alternate the batteries. To further ensure long happy life, I > > purchased an expensive charger that does individual cell balancing and the > > Volt battery came with a balancing cable! I expect the modules will outlast > > me. > > Any EV owner knows how the quiet is the best part of the vehicle (opinion, > > of course), but the Amp really screwed that up. They used what I suspect is > > the technology they knew and put a hydrostatic transmission in this thing. > > That means the traction motor runs constantly to keep the system > > pressurized, a complete waste of energy. Hydraulics are not known to be > > particularly efficient in power transfer. The two systems alone amount for > > eighty percent of the noise. One neighbor told me that he was surprised I > > had a fuel powered mower, after hearing me start it. > > If I had to replace the Amp, I'd look for a lithium version I could afford, > > or consider immediately to replace the lead pack. > > > > > > > > -------------- next part -------------- > > An HTML attachment was scrubbed... > > URL: > > <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20210815/4b0382cb/attachment.html> > > _______________________________________________ > > Address messages to ev@lists.evdl.org > > No other addresses in TO and CC fields > > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > > ARCHIVE: http://www.evdl.org/archive/ > > LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org > > > > > _______________________________________________ > Address messages to ev@lists.evdl.org > No other addresses in TO and CC fields > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > ARCHIVE: http://www.evdl.org/archive/ > LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20210816/469760d2/attachment.html> _______________________________________________ Address messages to ev@lists.evdl.org No other addresses in TO and CC fields UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub ARCHIVE: http://www.evdl.org/archive/ LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org
