Technical, Techniques, Hints, and Tips > The "Black Arts!" ( Electrics & Electronics )
Reducing from 12v to 6v
AlanB:
Looking for a simple quick fix to my dilema, before I start ripping out motors etc.
I have a model which runs on 12v, all electrics including smoke generator, sounds etc require 12v.
Only problem is the motor, which was fitted by the previous owner, also runs on 12v supplied by the ESC and it is way too fast for the model.
I have reduced the prop size by 25mm, any smaller and it will look stupid.
So I need a quick fix that can be inserted between the ESC and the motor to reduce the voltage to the motor.
I have thought about two seperate batteries 1 x 12v and 1 x 6v but space is a problem.
Thanks
Alan
Mankster:
A variable resistor should do it. Turn the knob till you get the speed you want.
DavieTait:
Only problem with the resistor way is that they get Very Hot and need a heat sink.
Its been too long since I did my Electronics ( try 21 years ago !! ) so i'm way out of date on what available and suitable now.
Davie
White Ensign:
Alan, some electronic shops offer a unit which reduces the voltage. You should have a look, but I don`t have any idea about their names in the UK. But I know from a Electronic shop in Germany (Conrad) which has such a unit. The trouble with a resistor is, that he just produces heat but he will take nearly the same Amps on 6 Volts as the motor would take on 12 Volts.
Hope this was out of any help.
J?rg
Malcolm Reade:
Alan B
Why not phone Jim Casey? He's an electronics expert and could help you I'm sure?
Regards
Malcolm Reade
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