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Inexpensive Gear Motors


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  • 65mm Blue Wheel and DC Motor (Pair)
    Well. They're wheels...
    Review by Ross
    I bought these wheels about a month ago and they work as intended. They're straight and the motors are strong enough.

    Luckily, the axle fitment was a bit snug: they didn't come with screws. That is my only beef with the set: seems the manufacturer was saving a buck by not providing some M3 screws.
    (Posted on 8/1/14)
  • Tamiya Twin-Motor Gear Box
    Works as promised
    Review by Vincent
    I'm using this gear set for a robot heating duct crawler I made to video inspect my ducts. Using it with RB-Tam-26 Tamiya narrow tire set, although I hack sawed down the wheel shafts by 1/2" to give the crawler a narrower profile.

    The gear box and be re-assembled, if you are unhappy with the initial gear ratio. There are 3 configurations, but only 2 different gear ratios.

    The only con, is the motors run at 3V. Keep this in mind if you are trying to hit a specific speed. But at this low voltage, you get more current loses. Otherwise, would have given it 5 stars.
    (Posted on 6/17/14)
  • GM9 - Gear Motor 9 - 90 Degree Shaft
    Good for our Modkit /Arduino Activity
    Review by zackboston
    We used these as an input for a Modkit/Arduino activity for physical programming to run cam mechanisms. They were great, sturdy and dependable. The only issue was that the extra care had to be taken because the connectors are very fragile. We used heatshrink around the solderpoints and then secured the wires around the body so that the stress on the connectors was minimized. This was a very good solution.
    (Posted on 6/3/14)
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Robot Construction Kits

Posted on April 23, 2014

By Coleman Benson & filled under Robotics Projects & Kits, Where to Start.

Robot Construction Kits can be distinguished from normal robot kits since they use modular parts and allow you to assemble different robots using the same parts. A robot kit on the other hand only allows you to build one robot. Robot construction kits are a great investment because they tend to include everything you need [...]
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Basics: How Do I Choose a Battery?

Posted on January 15, 2013

By Coleman Benson & filled under Electronics, Schools & Curriculum.

Given the wide range of actuators and electronics which go into a robot, choosing the right battery may not be an easy task. This article guides you through the thought processes involved in choosing one or more batteries for your robot. Even if you are just starting in robotics, you may have already realized that [...]
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How Important is The Speed of My Mobile Robot?

Posted on March 13, 2012

By Coleman Benson & filled under Industry.

The velocity of a mobile robot is entirely up to the user. A robot that moves too fast might be more difficult to control whereas a robot that moves too slowly tends to appear sluggish. Given the diversity of robots possible, there is no set standard (nor should there be) for determining a robot’s ideal [...]
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How to Make a Robot – Lesson 8: Getting the Right Tools

Posted on June 27, 2011

By Coleman Benson & filled under How To Make a Robot.

Lessons Menu: Lesson 1 – Getting Started Lesson 2 - Choosing a Robotic Platform Lesson 3 - Making Sense of Actuators Lesson 4 - Understanding Microcontrollers Lesson 5 - Choosing a Motor Controller Lesson 6 – Controlling your Robot Lesson 7 - Using Sensors Lesson 8 - Getting the Right Tools Lesson 9 - Assembling a Robot Lesson 10 - Programming a Robot At this stage, [...]
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Robotics Glossary

Posted on May 30, 2005

By William Cox & filled under Uncategorized.

A glossary of robotics terms. [ A B C D E F G H I J K L M More Page 2 ] A: Actuator: something that moves. i.e. Robotic hand, motor Android: Humanlike robot. AI: Artificial intelligence. Attempting to emulate intelligence in living beings. A/D: Analog to digital. Coverts voltage to discrete value. Ampere: [...]
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11
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... Inexpensive Gear Motors
2014-06-30 13:55 by DiaLFonZo
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... Some of the criteria: -Needs to be running on both sides, so either 2 motors or 1 motor that drives on both sides. -Needs be something that I can ... decent. The Linkages will be on the scale of 5-10 centimeters. -Fairly inexpensive, around 20 dollars total. -I also need it in 2 weeks. I was looking ...
2014-03-20 21:06 by T0x1x
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... the best. You can probably get away with an inexpensive gear motor per flower: http://www.robotshop.com/en/low-cost-gears-motors.html Alternatively, an inexpensive continuous rotation servo ...
2013-12-08 11:25 by mattkw80
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You can probably get away with an inexpensive gear motor per flower: http://www.robotshop.com/en/low-cost-gears-motors.html Alternatively, an inexpensive continuous rotation servo ...
2013-12-02 10:32 by CBenson
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You need geared motors , though most only get you down to about 100rpm. To get ... the Tamiya Planetary Gearbox at a 400:1 gear ratio and an inexpensive motor controller . Note that you will need to supply ...
2012-04-09 08:12 by CBenson
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... rotation is need. some companies provide servo motors with more than 180 degree rotation like 300 ... easily. 2. I note that the SPG785A-4.5 Servo Gearbox's rotation could be different from 630, ... and 1,700 (The 1,700+ oz-in. of torque from an inexpensive 1/4-scale servo can be easily done with ...
2011-02-22 12:49 by CBenson
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... size" Hitec servos 2.If I buy a "SPT400 Gear Drive Tilt System (5:1)" http://www.robotshop.ca/servocity-sp...box-5-1-4.html ... rotation is need. some companies provide servo motors with more than 180 degree rotation like 300 ... and 1,700 (The 1,700+ oz-in. of torque from an inexpensive 1/4-scale ...
2011-02-07 12:54 by jack_lai
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... any hubs made for them which would allow you to easily attach a motor to any of them. Since this is the case, you need to be a bit creative. The inexpensive ones are not designed to be used with any specific motor, in which case you will need to create a custom hub or shaft collar to fit between ...
2010-12-29 16:15 by CBenson
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... I am very concerned about quality. The worm gear motors seem pretty cheap. The precision is not an extreme ... starting with the Dagu 2WD Beginner Robot Chassis. The inexpensive gear boxes seemed a step up from the PICAXE ...
2010-12-06 14:22 by skinnerfam95
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... Stock wire antenna on Rx. Receiver away from motors, escs and power wires. Mounted on plastic ... Remember that the laser 4 and 6 are really inexpensive for a reason. Radio gear is just like servos, you get what you pay for. Not ...
2008-05-12 22:18 by evolution
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... the same) "Actually, while I'm at it, winch motors are NOT suitable for continuous running as ... be ~8.5 minutes, but you never know about inexpensive equipment. Anyhow my main thought was ... the large arm structural sections. Planetary gear system for fast, reliable pulling. Automatic ...
2007-12-20 23:36 by zoomkat
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... of upgrading a 4WD3 rover kit from using 7.2V Gear head motors to 12V gear heads. I could make a 12V NiMH pack out ... gotten stuck, though, since I can't seem to find any inexpensive control boards, nor any in-depth tutorials on ...
2006-07-13 12:46 by NickReiser
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