ok, take another 10-30% off those figures, web sellers are known to be notoriously generous in their descriptions,
pulley loss at 10%, that really depends on your belt a massive amount, what is your belt loss?
heat will be a lot more than 10% at a guess,
so, how do you propose to run a 3kw motor off a 6kw generator if you are only putting at most 2kw into the generator to start with,?
the generator will lose power, not increase it, a 6kw generator will need at least 7kw going into it to get maybe 5kw at most out.
pulley loss at 10%, that really depends on your belt a massive amount, what is your belt loss?
heat will be a lot more than 10% at a guess,
so, how do you propose to run a 3kw motor off a 6kw generator if you are only putting at most 2kw into the generator to start with,?
the generator will lose power, not increase it, a 6kw generator will need at least 7kw going into it to get maybe 5kw at most out.