On 8/10/2010 3:35 PM, Phil Downs wrote:
What have I missed, it seems too easy?
Speed controls are easy to make ... just hard to make reliable.
If you only want a single-direction, basic speed control (using relays
for direction and a 5K pot for throttle), then why not buy a standard
scooter controller. They come complete with heat sinks, protective
circuitry, wiring and plugs. They also come in many different capacities
and prices, and are proven designs used by literally millions of people
around the world. Unless you can beat Chinese manufacturing
volumes/costs, you probably can't build a cheaper basic speed control.
Frank P.
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