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.
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
This 12VDC low-pressure, piston-driven, diaphram air pump has a 7/32" inlet. Motor draws 100mA no load, stalls at approx 4.3A, spins approx 3500 rpm and measures 4" x 1-5/8" x 3" with 10" leads. Shaft has a 1/2" dia cam to drive the piston. Motor is Mabuchi RK-555PH.
This little L-shaped low-pressure piston-and-diaphragm air pump has a 7/32" OD inlet and an 11/32” OD x 9/32” ID outlet, and is attached to a Mabuchi RK-555PH 12VDC motor that draws 100mA no load, stalls at 4.3A, and spins approx 3500 RPM. Measures 4" x 1-5/8" x 3" with 2” leads.
Just out from under the auspices of Motor Trend Magazine, this little 12VDC 5A 35PSI air compressor has a 10-foot cigarette-plug cord, approx (9) feet of corrugated hose, and (5) adapter nozzles for air mattresses, rafts, beach balls, like that. (No Schrader valve, which is the car and bike tire one.) Inflates and deflates right quickly, and stores in its own pouch, 3-1/2" x 2-1/2" x 2-1/4". Note that the packaging/manual list different Amp and PSI values, but that's how items become surplus!
Everything big is little now, including this 12VDC muffin fan from Delta. Draws 570mA, spins approx 14K rpm and pushes about 17cfm. Measures 1-1/2" square x 1-3/32" thick with 1/8" mounting holes at the corners. (wire red to +12V, black to ground, blue to freq and yellow probably a thermistor.) Computer cooler or perfect for a hot gerbil habitat. Part #FFBO3812HHN.
This 12VDC muffin fan from AVC® draws 700mA and blows approx 42cfm. Measures a cute 2-3/4” square x 1/2” thick with (9) curved blades, a 4-pin connector and 8” leads. Use red and black leads for power. The other two we believe to be a tachometer. Part #DE07015B12U.
For store hours, phone and directions, click here.
Or View Our Latest Printed Catalog Online
Our web site always contains everything we have available for sale outside our retail stores. Typically, new items are listed on the site before they get published in our catalog...
Unlike Any Place On Earth
In addition to this fabulous on-line catalog of incredible stuff, American Science & Surplus has three great retail locations. If you're in the neighborhood, please stop by! Store hours may vary. Feel free to call for store hours and directions.