Well, the pretty nice seven, anyway, in this 7-blade muffin fan, measuring 4-3/4" sq x 7/8" and drawing 280mA at 12VDC. Spins approx 2000 rpm and pushes approx 74cfm. Comes with 8" leads and 3/16" mounting holes at the corners. Velleman® part #BLS 12/120.
Muffin fans, pay attention. You pick the "nice" 110 VAC 21W fan from Thermocool, measuring 4-3/4" square x 1-1/2" thick with an offset two-pin power connector, rated for 82-95 cfm and spinning at approx 2600 rpm, with five blades and 3/16" mounting holes at the corners (Mfr part # G12038HA1ST); or the "beastly" 110VAC 36W muffin fan from the same mfr, which blows up to 198 cfm at 2900 rpm and measures 6-3/4" x 6" tall x 2" thick with (2) power terminals on a removable shroud, 5 blades, 5/32" mounting holes on the corners plus a ground lug. Both UL.
Our special Little-Fans-R-Us offering. All these muffin fans are square
and all have mounting holes at the corners. Pick and choose the one you want or take a chance on the takeout assortment. (Assortment will not have fans listed in the table above) Please note that the assorted fans are takeouts and will have at least have least two different fans from different manufacturers but maybe the same size. It will be a crap shoot as to what you will receive.
Black plastic five-fin fan blades. (Say that ten times fast.) They measure 4-3/8" dia with 1-3/8" long blades and a 3/16" dia slotted bore for mounting. Made in the USA, for clockwise rotation. Stay cool this summer. You can never have enough fans.
Nice black plastic fan blade, looks much more menacing than it is. 1-5/8" dia x 3/4" thick. 8 blades, each 1/4" wide, in a twisting pattern. Takes a 1/16" shaft, (2) 1/4" dia holes on either side of the shaft hole. Gives a squirrel type effect, unless you put it in a housing. We'd also like to see this as a deep-mud tire for a model vehicle.
And even more fan blades. Choose a white-plastic 5-blade or a
black-plastic 4-blade, each approx 4" across with a 3/16" bore. Designed
for clockwise rotation. No motor. Just blades. (But nice little
So build your own (see "Motors"). Our white-plastic 4-blade fan (blade only) is 6" dia OA, with a 2" dia x 7/8" thick hub with a 3/16" bore. Made for a clockwise rotation. Not pristine, but not used, either. Made in the USA.
We're awarding a prize to this 5-blade muffin fan from Papst®, just because it's from Hungary. Measures 4-3/4" square x 1-1/2" and is rated 115 VAC, 18 Watts, 150mA and 106cfm. Has a pair of 3mm terminals for power. UL/CSA.
This 115VAC 11W 5-blade fan from ETRI® pushes over 122cfm and is quite quiet, considering. Measures 5-3/4" dia (not counting mounting fins or wiring cover) x 1-1/2". Has 3/16" mounting holes top and bottom, dual 3mm terminals for power, and a ground lug. Blades are aluminum, Mfr part #148VE0282030. UL/CE.
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