[ausev] Help with EV calculations for 92 Ford Festiva

Lant Colburn lant at cdibb.com
Sun Jun 14 02:01:08 GMT 2009


I am in the middle of converting a 1992 Ford Festiva to all electric. I 
have installed a D&D ES-31B 72-144 VDC 18hp motor mounted to the 
original transaxle without a clutch. I have a new 144volt Kelly 
controller. Originally my plan was to install 12 - 12volt 100Ah AGM 
batteries, but with Lithium battery prices getting more reasonable, I am 
thinking of using 37 Thunder Sky 3.8 volt 60Ah Lithium batteries in 
single string. Each lithium battery weighs about 5.5lbs. My thought is 
that  the  huge decrease in weight will go a long way to offsetting the 
lower amp hour rating of the lithium pack.

1992 Festiva - Original curb weight lists as 2475 lbs.
155-80-R12 Tires

I am hoping someone on the list can help me with estimated range, top 
speed, and amps required to keep my conversion at a constant velocity of 
60mph. I have consulted a couple of ev calculator pages, but none seem 
to have include the components I have selected. Thanks in advance for 
any assistance!

-- 
Sincerely,

Lant Colburn
Cleburne, TX

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