The mods on my commutacar are still going on , I
modifyed the battery boxes front and back to carry two
more six volt batterys in each box or 12 all together,
right now I am useing 9 Delfis 8 volt batterys , 72
volts altogether but at alittle over 300 lbs, willsend
some photos of the box if you like, also made a new
front bumper, on the brakes I use 5606 aircraft hyd
oil , (you guys with the disk brakes should use it
because the calapers are off a cessna) the tires are
spacesaver spare tires off a honda, 105 13" aired to
65 to 70lbs , it rolls very easy ,I use a sevcon 72
volt dc to dc converter and a motorcycle battery, and
a 400 amp curtis controler, this car has the hi speed
rearend 5.17 to 1 , I think the low speed 6.13 to one
went 38 mph, which one do you have,like to compare and
figure out what I realy need to make my speedometer
right, I think the motor was changed at one time
before I got it, as for the brushes they are copper
grafite , I have a amp meter and at 55 mph it pulls
125 amps , which is the max amp for the motor, at 75
amp it will do 45mph , the road here is flat with few
small hills,I drive alittle over 30 miles a day with
the car, serves me well , Hope this helps you ,yours
Blaine
--- Lou <ka2pfl@...> wrote:
Hi Blaine,
I would sure like to know the mods you did to your
comutacar to
achieve 50 mph. I am in the process of restoring my
1980 comutacar. I
seem to remember the car did around 37 mph tops,
with 48 volts, does
this sound about right?
Are you using the stock 6 hp ge motor? Do the
brushes burn up?
Please fill me in, my inquiring mind would like to
know.
Thanks, Louie
PS sorry I cannot help with the spedo gear.
--- In C-Car@y..., Blaine Wills <pinto_one@y...>
wrote:
Hello I am new to the group and have a 81 commuta
car
,72 volts with a curtis controler, I live over
here in
missisippi , kind of flat here with black top
roads
and found out that my speedometer is 10 mph slow
,got
stopped doing over 50 in a 35, I think that the
angle
drive that bolts to the end of the motor is the
wrong
ratio, its marked 3.25 on the end , I have the hi
speed rear, does any one with the low speed (that
reads 10mph fast)rear want to trade angele drives,
called new car but they havent a clue, anybody
have
one they want to sell please let me know , thanks
Blaine
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