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Re: (ET) Hybrid Electrak?

I respect solutions that work. Despite that it might not be a very ET-ish solution, or whatever I said, if it works, it's worth considering.

Note that the charger is a bottleneck... it's only a 600W device or so. And though I never seem to have hurt my charger, I did worry about it.

Another way to go that I'm messing with now is generator>rectifier>batteries for a 96V pack. You might consider generator>transformer>rectifier>batteries.... skip the charger altogether.

I sympathise... I did a million passes with my 48" plow to get that snow out of the way from that last storm, and took a bunch of recharging breaks (with an aging pack). My thing now is wishing reverse on the E20 wasn't speed limited... I would have to change gears a lot less often! Time to look at the schematic.

I haven't used my thrower in a couple of years, but I remember that balance... too much current (pegged ammeter) vs too little snow flow through the chute (and chance of clogging). Ay.

In any case, good luck!


On Fri, Jan 14, 2011 at 11:46 AM, Banks, Michael J. <BanksM zhi com> wrote:

Yeah, I definitely didn’t expect it to be able to clear the driveway.    I don’t have much room to store a walk behind, I barely have room for the ET.    Which is why I was thinking, instead of spending $500-600 on a walkbehind, if I could get a generator powerful enough to run the snow thrower (maybe hooked directly), and leave the batteries to move the tractor, for the same price it would be nice.

 

Just wanted to see if anyone had tried it.

 

From: William Martin [mailto:martinsprinklerdesign yahoo com]
Sent: Friday, January 14, 2011 11:43 AM


To: Banks, Michael J.; elec-trak cosmos phy tufts edu
Subject: Re: (ET) Hybrid Electrak?

 

1.5 to 2 hours is probably about all you'll get out of your batteries running the snow thrower as hard as you're running it.  Everything sounds normal to me, given the conditions.  I don't think these machines were designed for that heavy of snow work.  I have a gas powered walk behind snow blower as a backup if I ever get a really nasty snow.  That wouldn't be a bad idea for you.  Probably more cost effective also.

 

That's my 2 cents!

 

Billy

 


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