That's a centrifugal blower.  However the way the rotor is built is fins
arranged at the edge of a rotating disk, rather than a cylindrical cage
with slots in it.

Yrs,
d

On Tue, Jun 20, 2017 at 2:04 PM, Stephen Grisanti <bike2vcu@yahoo.com>
wrote:

> Yep, hard to tell but could be. The muffin is more like a normal room fan;
> air is pulled in from the back and blows straight out the front.
>
> Stephen
>
> Mobile
>
> > On Jun 20, 2017, at 12:24 PM, Alistair Bell <albell@shaw.ca> wrote:
> >
> > Mmm, I dunno....
> > These fans fit the definition of a squirrel cage ( or centrifugal) fan.
> Air comes in from one end,  vanes from hub arranged radially, air exits the
> side of the fan.
> > Here's the link for the fans I bought, see what you think with the
> better look.
> >
> > 3Pcs 3D Printer 12V DC 50mm*50mm Blow Radial Cooling Fan
> >
> > https://m.banggood.com/3Pcs-3D-Printer-12V-DC-50mm50mm-
> Blow-Radial-Cooling-Fan-p-1121554.html
> >
> > Alistair
> >
> >> On Jun 20, 2017, at 4:10 AM, Stephen Grisanti <bike2vcu@yahoo.com>
> wrote:
> >>
> >> Alistair,
> >> One minor correction: The fans you're using are not "squirrel cage"
> fans.  Those would be cylindrical with vanes or louvers perforating the
> cylinders' outer edge and the axis centered in the base.  In theory, the
> squirrel would run around the inside of the cylinder positioned on its side
> causing it to spin on its axis.  I believe the computer-type ones you are
> using are called "muffin fans."
> >>
> >> Stephen
> >>
> >>
> >> On Monday, June 19, 2017 5:30 PM, Alistair Bell <albell@SHAW.CA> wrote:
> >>
> >>
> >> Oh now you're being silly Steven, do you really want your fridge to
> have a SIM card?
> >>
> >> :-)
> >>
> >> But if you wanted that it sure would be easier to set up with an
> electric fridge.
> >>
> >> Yeah, there are sim based remote relays. And i saw somewhere on the web
> a guy using one to do remote start on propex.
> >>
> >> I have a simple little rf based wireless remote I thought would be fun
> to use with the propex. But then I though maybe I could use it for
> perimeter lights. Haven't done either yet.
> >>
> >> Alistair
> >>
> >>
> >> > On Jun 19, 2017, at 1:52 PM, Steven Johnson <sjohnso2000@GMAIL.COM>
> wrote:
> >> >
> >> > And while you are at it Alistair, can you rig it up so it can be
> turned on
> >> > remotely via
> >> > wifi on Android and iPhone?  :)
> >> >
> >> > Steven
> >> >
> >> >> On Mon, Jun 19, 2017 at 4:39 PM, Roy Nicholl <RNicholl@nbnet.nb.ca>
> wrote:
> >> >>
> >> >> Alistair,
> >> >>
> >> >> Next fridge challenge:  a set of rails (one part of fridge, one part
> in
> >> >> van) and quick connects to allow easy installation and removal.
> While I
> >> >> agree the fridge lights easily when squeaky clean and adjusted, it
> does not
> >> >> stay that way long (at least mine doesn’t).
> >> >>
> >> >> I’d probably clean it more often if getting to the bench (and back)
> was
> >> >> smoother.
> >> >>
> >> >>
> >> >>
> >> >>> On 19-Jun-2017, at 17:01, Alistair Bell <albell@SHAW.CA> wrote:
> >> >>>
> >> >>> Nothing super earth shaking, just exhaust insulation and a bank of
> three
> >> >> wee squirrel cage fans.
> >> >>>
> >> >>> https://shufti.blog/2017/06/19/vanagon-a-couple-of-minor-
> fridge-mods/
> >> >>>
> >> >>> Alistair
> >> >>
> >>
> >>
>