[ausev] Open Garage this Sat... 9am - 1pm

[Brian Lasseter]

I have used and abused my batteries every day for the past 15
months... and it is time for some new batteries.

So, I will be holding an open garage this Sat for anyone who wants to
help me remove batteries, anyone who wants to inspect my car closely,
or even anyone who wants to just sit in a chair and laugh as I lift
70lb batteries.   :-)    All comers welcome.

@ Lasso's House  :  (512) 736-1677
Saturday, August 15th  :  9am - 1pm
11402 B Ptarmigan Cove
Austin, TX  78758


--


If you are wondering WHY I am replacing the pack, I seem to have been
slowly melting a battery post over the last few weeks, and it finally
started dripping lead last weekend.  Really though, the whole pack is
becoming unworkable.  The range is still a good 30 miles, but the heat
generated keeps my pack at a fairly constant 140°F - 150°F which is
making it difficult for even the water miser caps to retain water.
I've also noticed that the heat is really killing my electrical
efficiency, and preventing me from getting anywhere near the correct
charging voltage.  At 140°F charging temperature, then 174vdc would be
the manufacturer's recommended charging voltage... but that was rarely
reached.

For anyone interested in numbers... here are my efficiency numbers for
the last few months of driving, and the total over the life of the
battery pack.  Efficiency has units of miles/kwh.  I'm not sure if
anyone else has any insight as to whether 6206 miles or 3882kwh is a
good run for a lead battery pack?


               kwh end miles end               kwh     miles
efficiency

       Jan     15456   149605
       Feb     15669   150152          213     547             2.568075117
       Mar     15869   150592          200     440             2.2
       Apr     16045   150916          176     324             1.840909091
       May     16242   151249          197     333             1.69035533
       June    16579   151523          337     274             0.81305638
       July    17080   152096          501     573             1.143712575



               13270   145953
       Total   17152   152159          3882    6206            1.598660484

-- 
TTFN,
Brian "Lasso" Lasseter

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"No Sane man will dance."   -Cicero (106-43 B.C.)