[Stoves] Powering a TLUD Fan

[Phil Hughes]

In a word, no. This is but another reason I was thinking a CMOS 555 and a
MOSFET might be the better approach. It would make it pretty easy to do PWM
(or, actually, PPM). This is now on my "to play with" list.

On Thu, Aug 30, 2012 at 2:32 PM, Crispin Pemberton-Pigott <
crispinpigott at gmail.com> wrote:

> Will it operate as a PWMR at the same time? Seems an obvious choice. ****
>
> ** **
>
> Frans, what do you think? Put together what batteries you can find and
> hook it to an LM3224 and then a power supply fan.****
>
> ** **
>
> Thanks
> Crispin****
>
> ** **
>
> ** **
>
> *+++++*****
>
> ** **
>
> A first stab would be to use an LM3224. It is way overkill as far as
> current capacity****
>
> On Thu, Aug 30, 2012 at 12:25 PM, Crispin Pemberton-Pigott <
> crispinpigott at gmail.com> wrote:****
>
> Dear Phil****
>
>  ****
>
> That was valuable info. The problem is not so much the volume of air
> needed, it is the pressure required to force some air through the fuel to
> maintain a pyrolysing bed.****
>
>  ****
>
> If you could stack fans running at a lower speed, it might give you the
> pressure. You sometimes see that on high end computer cases. The fans
> already have holes to allow this, it is so common.****
>
>  ****
>
> But it is probably better to use a lower voltage fan that is running at
> the right tip speed for its blade density. ****
>
>  ****
>
> During an earlier discussion on fans a few years ago we pointed out that a
> squirrel cage fan is better for stoves because it so easily provides the
> pressure needed.****
>
>  ****
>
> Do you have access to a DC-DC inverter chip to get the voltage up to 5?***
> *
>
>  ****
>
> Regards****
>
> Crispin****
>
>  ****
>
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-- 
Phil Hughes
nicafyl at gmail.com
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