On Thu, 10 May 2007 00:03:34 -0500,
>LHR wrote;
>>Hi Robo,
>>a very simple way is to put a load on your motor with or without any
>>gearbox.
>>One way to do it is built anything with a kit like your Meccano.
>>Power (in Watts) is simply Voltage mutlitplied by Current.
>>Then, take two multimeters and any tranformer (10x1).
>>Make sure that you have one multimeter with high amp capacity.
>>You mount an electrical circuit with the power source, motor and
>>transformer.
>>Be careful to put the one side of the transfo in your circuit
>>and the 10 side will where you will connect the ampmeter set on the
>>highest range.
>>The Amperes that you read have to be mutliplied by 10 in order to get
>>your motor current.
>>Here you go.
>>LHR
>Hey LHR, thanks! That I can do with the palytry collection
>of eletronic equipment I have available. Thank you again!
>This is very helpful, and I might add difficult to ferret
>out of the internet as I have tried. This is a good group
>to get help from on these kinds of problems.
That will tell how much electrical power is being used by the
motor, but doesn't really have anything to do with the actual
shaft horsepower output of the motor.