Hi Lee, Cor and All,
From: Lee Hart <[email protected]>
To: jerry freedomev <[email protected]>; Electric Vehicle Discussion List
<[email protected]>
Sent: Monday, November 10, 2014 2:03 PM
Subject: Re: [EVDL] New EV trike pickup.
jerry freedomev via EV wrote:
> Hi All, Just got my new EV trike on the road. It
> went together rather fast in just 2 weeks!
That's great! Got any pictures? I love Jerry's KISS design EVs.
---------Actually I do but where does one put them up? I'll send them directly
to you Lee. Remember it's still getting built.
> I'll add 2 more 120 amphr 12 deep cycle Johnson Controls sold
> under Duralast brand to the 4 already there
Probably OK for testing, but I suspect they won't last long.
-------- I've been through a lot of them but these work very nicely at least
in 600lb EV's. I'm only drawing 30-40 amps so not hard on them. After 6
months they are still within .03 volt from each other. This is unlike most a
true deep cycle battery.
>I wonder why motorcycle tires are so much worse. Bicycle tires are
obviously very good. What is different about motorcycle tires. Is there
some fundamental reason for the higher rolling resistance, or is it just
that the manufacturers don't bother (and customers don't care)?
-----------I think it's mostly the compound of soft rubber both sticks better
but generates heat. And far more concerned about the wheel becoming unstuck
than tire drag. And likely why gas MC's get such bad mileage besides it's
terrible aero. I like older used LRR car tires as the aged rubber
is like 10-20% better than a new tire.
> Otherwise contactor controllers have been working fine for me.
> simple, low cost, reliable and easy to repair even roadside.
Ain't that the truth. :-) They're the simplest kind of controller to
build and service. I have some examples posted on my website at
http://www.sunrise-ev.com/controllers.htm
I also have a pile of surplus contactors that I've acquired over the
years. Contact me offlist if you need some.
--------- Hard to beat them in so many ways.
Jerry Dycus
--
A designer knows he has achieved perfection not when there is
nothing left to add, but when there is nothing left to take away.
-- Antoine de Saint Exupery
--
Lee Hart's EV projects are at http://www.sunrise-ev.com/LeesEVs.htm
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