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Old 03-13-2011, 04:35 PM   #2
OLD MEC
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Join Date: Mar 2009
Location: South Texas
Posts: 2,391
Default Re: Complete Hunting/Farm Cart Overhaul-???'s

FIRST WELCOME TO THE FORUM.
If funds are short like most of us today there are some shortcuts that save alot until money gets back to normal ( IF EVER? ) By addition of lift, larger diameter tires, probably a rear seat, and possibly HD rear springs you have already gone way beyond the ability of standard golf cart. Lets face the fact a stock cart is made for 2 people, 2 golf club sets, and minor hills found on courses, and BRAKES according?
#1 If you have a good running 36 volt motor I would keep it as it handles 36 and 48 volts very well and 48 volts makes it into a powerful torque motor. Motor update can come later?
#2 if you have good fairly new 6 volt batterys for now you could add 2 more in golf bag area and wire in series making 48 volts, then later you can replace with 8 volt, or better yet complete new high amp rated 6 volt batterys to equal 48 volts.
#3 Again to save money go with a none programable Alltrax controller like NPX 4844 400 amp rated, or if you want to go to 500 amps you would need to go to a AXE4855 which is Programable 500 amps rated.
#4 with cart of your age you would need to use a Curtis PB-6 type speed control which will require some minor linkage adaptions. ( NOTE BE SURE AND MATCH CONTROLLER input WITH SPEED CONTROL AS CC USED BOTH 0-5K OHM input and 5-0K Ohms input depending on year and in your case PB-6 is only 0-5K unit ) ( Modern MCOR speed controls would be very hard to adapt to your pedal linkage )
#5 solenoid must be rated for HD amps ( 200 and UP ) and match pack voltage, and you will need to add correct pre-charge resistor and diode depending on solenoid and voltage used.
#6 All 6 guage cables need to be replaced with at least 4 guage multi stranded electric welding cable stock and soldered and crimped ends.
#7 F&R should have HD parts added to your unit if in good condition otherwise, along with conversion of F&R you will need either a HD unit with 3 micro switches on back for neutral, reverse alarm if you want one, and 1/2 speed reverse if you want it? Or addition as needed to your existing F&R unit with HD adapter bars.
As far as battery draw you would be best to use highest amp rated 6 volt batterys for torque, range and life. Examples Trojan T-105 is 225 amp hour rated, while largest that fits battery holders is T-125 is 240 amp hour rated. In Trojan 8 volt batterys T-860 is only 150 amps rated, and highest is T-890 is 190 amp hour rated.
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