Amazing as it may seem, this off-grid Nicaraguan resident has some of those fans. So, I just gave one a test run.
It starts rotating at 3.22V but the speed is very slow at anything less than 4V. Even at 4V I would guess 25% or less of the air flow that you get at 5V. So, it is possible to use one but not directly from a single LiIon cell. On Thu, Aug 30, 2012 at 9:42 AM, Phil Hughes <[email protected]> wrote: > > > A 5V fan is an interesting possibility. First, if may operate fast enough > from say 3.5V so a single LiIon cell would handle it. If not, a flyback > converter to step up 3.7 to 5V would be cheap and high efficiency (because > most of the power comes directly from the battery rather than needing to be > "converted"). > > -- Phil Hughes [email protected]
_______________________________________________ Stoves mailing list to Send a Message to the list, use the email address [email protected] to UNSUBSCRIBE or Change your List Settings use the web page http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org for more Biomass Cooking Stoves, News and Information see our web site: http://www.bioenergylists.org/
