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Little Giant
Call it the Stephen A. Douglas of gear motors-small, but more than able to go up against the big guys. From Pittman Mfg (part # GM8224), this permanent magnet, reversible, 328 RPM, 24VDC motor runs anywhere from 6-24VDC with exceptional torque throughout the range. No load current draw of 180mA. Stalls at 5.54A. Torque rating of 3.09 oz-in. Overall size is 3-3/8" long x 1-3/8" dia with a 3/16" dia x 11/16" flattened, hardened shaft. Leads are 5" long terminating in a 2-prong plug. Pittman says "self-aligning, sintered bronze bearings and diamond-turned commutators."
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37972 PITMAN GEAR MOTOR |
Gear Motor
Attention robotics boffins: Here's a nice, powerful 12-24VDC Mabuchi brush motor with a gearbox and pulley attached. At its nominal 24DC, it spins 12rpm, draws 50mA no load, and stalls a 750mA. Has a 3/4" long x 5/16" flattened shaft with a 4-5/8" dia x 5/16" wide (3/16" ID) single-sheave pulley attached, with a matching O-ring. The gearbox measures 2-3/4" x 3" x 9-1/16". The motor measures 1-1/16"dia x 1-5/8" long and comes with 7" leads and a 2-pin Molex connector.
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37837 MOTOR W/PULLEY |
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Science Fare
Slightly larger than some of our hobby motors, this Mabuchi RS-365SH double-shaft motor is a good choice for science-fair projects. Its range is 6 VDC, 50 mA, 550 rpm to 24 VDC, 80 mA, 2,000 rpm. The 3/32" dia shaft extends 5/8" from the terminal end of the 1-1/2" x 1-1/16" dia motor, and 3/8" from the other end. It has (2) 5" leads.
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35567 MABUCHI MOTOR |
Johnson Motor
This reversible DC Johnson motor (Johnson #34513) operates from 12-24VDC with a max efficiency of 24VDC, 3057 rpm, and .14 amps. Measures 1-3/16" dia x 1-3/16" long with (2) hook-up tabs on the back and a 3/32" x 5/16" long slotted shaft. Has (2) mounting holes on the face. Works great as a small generator, output 2.5-3 V. Draws 30mA no load, and spins about 1200 rpm at 12VDC.
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37855 JOHNSON MOTOR |
Mega Motor Mart
Shop the specs below for our 12VDC automotive blower motors from Unimotor. All are reversible, variable speed, and have a pair of 12" leads. All specs are no-load ratings. "Nice torque," Pat says. (He's the torque guy around here.)
| MFG # | Dia X Length, Inches | ||||
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36890 MOTOR, 12 VDC BLOWER | 16365 | 2-3/4 x 4-1/4 | Details | |
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36849 MOTOR, 12-24 VDC | 14483 | 2-7/8 x 2-7/8 | Details | |
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36844 MOTOR, 12-24VDC | 14630 | 2-7/8" X 2-1/16" | Details |
Small Johnson
But "pretty strong," the motor mavens say. This little 12-24VDC motor from Johnson spins between 5 and 10K rpms. At 12VDC it draws 160mA no load, at 24VDC it draws 180mA no load. Measures 2-1/4" long x 1-3/8" dia with a 1/8" dia x 5/16" shaft.
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37856 JOHNSON MOTORS |
Molon Motor
This double shafted reversible DC motor from Molon takes 12-24VDC and spins approx 5-10K rpms. At 12VDC it draws 190mA no load, at 24VDC it draws 250mA no load with a stall current of 3.8 amps. Measures 1-15/16" long x 1-3/8" dia. The 1/8" dia shaft is 7/16" long out the front, 9/16" long out the back. Made in the USA.
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37854 DC MOTOR |
Takeout Hitachis
Clone motors –– almost. The 24 VDC Hitachi stepper motors (both of which are labeled with Kodak’s part number 315871) are almost identical. Each has 1:5 gearboxes, (3) Hall–effect sensors, and 12 steps per revolution (without the gearbox). The motor cases are 1–3/4” thick x 3–5/8” dia. The 2–1/2” sq x 15/16” thick gearboxes terminate in 1” x 3/8” dia flattened shafts with mounted plastic cams. Each has a set of (7) and a set of (3) leads with Molex–type connectors. The only difference between the takeout motors is that one draws 3 amps, and the other draws 2.4 amps. Sorry, folks, that’s all we know.
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34589 2.4 AMP STEP MOTOR | |
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34576 3.0 AMP STEP MOTOR |
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