Recent content by arno9173

the st1 connector : -1 :+ trottle and + aux psu -2 : input trottle (0 / 15v ) -3 : gnd you can use on 36v but you must change the voltage probe circuit as it shut down at 31v to protect the battery from over discharge remove one 10 volt zennre diode and replace another with 7.2v zenner dont...

yes its the fiberglass plate who the brush are mount the power wires must be change , its 14awg (2,5mm2) on the motor , i replace it with 9awg (6mm2) i can put 120A whithout melting here is the schematis of the controller , it need an external 15vdc power supply like a a power resistor and a...

yes i add a 48v 200cfm fan to cool it , and i drill a few 5mm hole in the brush support for the air to better go

its better to use a 24v 600w motor and overvolt it to 36v you get a lot more power

+- 1H it take 6 hour to charge

hello i rebult the first version of my gokart http://www.diygokarts.com/vb/showthread.php?t=17754 the frame was design tu run as gas turbine powered gokart in the first version result => a diaster i convert it to electric but the frame was too long and too heavy the second version is built...

what motor do you use?

lead acid battery can not be charge faster , it can dammage the battery , i have 2 set of battery nicd or nimh battery is better for fast charge in less than 1 hour but there are more expensive , for the same voltage and capacity i need 80 elements of 8000mah 1.2v D cell and cost 4 time more...

about 30mn , not always at full trottle 4 hour to charge the battery with a 4A charger

the disc brake and the sprocket come from a scooter i machined on a mini lathe the holder , its verry simple , a 70mm aluminium rod drilled in the middle (on lathe) at 20mm and secure to the axle with a 8mm pin the wire go a bit hot but dont melt , i can touch without burning the skin here is...

hello sorry if my english is bad , i am french the gokart is based on a 36v 1000w my1020 motor , modified (better cooling , 5 turn wire less on the rotor coils ) i have mesured the power at 2530W continus at 48v, with the efficientcy of the motor i can said 3hp mecanical power it is powered...