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Worth Springing For
No large ones, but (101) amazingly assorted small extension, compression and torsion springs -- most, but not all, 1" to 2" long. Assorted lengths, assorted widths, assorted finishes, asorta handy bag of replacement parts to have around the house.
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92272 101 PIECE SPRING ASSORTMENT |
Gear Up
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Or gear down-for the science fair or for any number of hobby projects. This hard-to-find set of (3) combination spur/beveled gears-for when you want gears set either straight or at 90° to one another-also has one small spur gear, plus three bushings. All in red, green, or blue plastic (we'll pick). The combo-beveled gears are 1-5/8", 1-1/4" and 27/32" dia with 3/16" bores to accept the bushings, which are 3/16" OD, 3/32" ID. The straight gear is 17/32" dia with a 1/16" half-bore. All are 24 pitch.
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92657P1 GEAR SET | |
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92657P10 GEAR SET (10) PACK SAVINGS | |
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92657P30 GEAR SET CLASSROOM PACK SAVINGS |
Tough Gear Motor
Small but durable. Measures 2-7/16" long x 1-5/16" dia. and has a 3/16" x 3/8" long flattened offset shaft. Runs between 6-12 VDC. At 12 VDC, it spins 7 rpm and draws 90mA with a 500mA stall current. Gearbox ratio is approx 400:1. Has (3) 3/32" mounting holes on the shaft face. Reversible.
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37739 12VDC GEAR MOTOR |
Gear Up And Go
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
This nice 2 in 1 gear-box kit features (2) different gear ratios (1:60 and 1:280) with output speeds of approx. 200 and 42 rpm respectfully in (2) switchable modes, plus a 3VDC motor so you can use the finished product to drive pulleys, wheels, fans, science projects, or maybe a toy car. Requires only regular household tools to assemble it, and has (4) adjustable mounting brackets. Overall size when finished is 2-7/8" x 3-1/2" x 5-8" high.
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93460 GEAR BOX KIT |
Toothy
Call it a vicious circle, this 1-3/8" dia white plastic gear with 58 teeth. Has two different input sides: (1) an 8-sprocket with a 3/16" ID, and (1) just under a 1/4" ID circle with a flat side. Teeth are approx 3/16" wide and whole shebang is approx 1" wide.
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38146 PLASTIC GEAR |
A Drive Train From Scratch
Build your own. This is a very nice kit from Tamiya, but not for beginners or the fumble-fingered, since it’s fairly complex and can take a couple hours to assemble. The Twin Gear Motor Kit has a pair of 2.3VDC motors that draw approx 60mA no load, stall at 130mA, and will run 60 to 212 rpm. Finished size is approx 3" long x 2" x 7/8" with dual 1-1/16" long x 1/8” dia hexagonal shafts.
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93998 TWIN GEAR MOTOR |
Step Right Up
Our 48-step reversible (unipolar) stepper motor draws approx 60mA per coil at 12VDC. Coil leads are yellow/orange and brown/black, dark-green leads are commons. Output is through a 5/16" dia x 1/8" plastic 12-tooth gear. Motor measures 13/16" thick x 1" dia on a 1-11/16" x 1" rounded diamond-shaped plate.
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40789 48-STEP MOTOR |
The Other Black Bush
Sorry, no Irish whisky, just these lovely little black rubber bushings, 3/8" OD x 1/8" ID x 3/16". Use them as bushings or string 'em along and make waterproof necklaces (think black puka shells) for synchronized swimmers.
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12594 1/8" THICK BLACK RUBBER BUSHINGS |
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