alt.energy.renewable

Mauried wrote:
> On Wed, 2 Apr 2008 21:43:00 -0700 (PDT), bealiba@gmail.com wrote:
>
>
>> This kind of thinking is the result of listening to fools.
>>
>> It won't work, if it did every farmer in the world would be energy
>> independent.
>>
>> But think of this, a generator is nothing more than a device to pass a
>> coil through a magnetic field. So you mount all your magnets on a rod
>> parallel to the moving rod of the windmill which has the coils mounted
>> on it. The trick is to get the spacing right so that the coils pass
>> the magnets sequentially to give a continuous current. And you get to
>> pump water as well.
>>
>> But you want to be quick, because, as soon as beemerwanker reads this
>> he will try to take out a patent.
>>
>> Of course if you really want to get into generating big time you could
>> put a micro hydro turbine in the water pipe as well, I mean, as long
>> as you are moving water, it may as well do some work as well.
>>
>>
>>
>> Reality, I first saw "your" concept more than twenty years ago. It was
>> such a success that there are, Oh Dear, none in use today.
>>
>>
>>
>> On Apr 1, 2:25 pm, "Glenn Jensen" wrote:
>>
>>> Hey There:
>>>
>>> I have a farm windmill that produces up/down motion, about 4 inches of
>>> travel. Any idea how to convert this action into rotary motion, so as to
>>> run a generator or alternator?
>>>
>>> Thanks.
>>>
>>> Glenn
>>>
>
> A couple of obvious questions
> How much power do you want to or expect to generate.
> Do you have the required gearbox to increase the shaft RPM to drive an
> alternator.
> Do you have a suitable alternator.
>
> Reason for asking is that windmills to generate power are specially
> designed just for this purpose.
> They use a specific blade arrangement (2 or 3 blades max,and a very
> carfeully controlled blade pitch) with a very efficient alternator
> designed to produce useful output at low RPM.
> A farm type windmill for pumping water will make a poor generator.
> .
>


I often hear this and think it false, the water pumpers spin slow, but
have quite a bit of torque and
spin in very little wind. I can't see there being a problem in gearing
one up. If the thing is going to
spin away, why not make some power?