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At the back of the robot there is a black detail with a spring in it that is supposed to hold the divider inside the sphere in place when the sphere is rotating. However for whatever reason it doesn'...

2018-06-14 11:24 by MThibault
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I'm looking to build a pair of wings that have the same degree's of freedom that a bird has. Just about every animatronic wing build I've seen on the internet so far seem to be limited to the same deg...

2018-06-12 10:37 by DiaLFonZo
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FTC robotics Team 12896 would like some help assembling a chassis using Mecanum wheels. We recently purchases 100mm (~4") mecanum wheels (part #RB-Nex-13) and 6mm bore Pololu universal mounting ...

2018-05-30 13:25 by DiaLFonZo
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Hey everyone. New user here hoping to pick the brains of much more experienced folks. I am searching for mini/ micro hinges, preferably stainless steel or aluminum, that could be fastened or laser wel...

2018-05-28 10:42 by DiaLFonZo
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I recently bought the 60mm mecanum wheels and the 8mm screw hubs and cannot figure out how or if these parts are compatible.. On receiving the 60mm wheels, I realize that I probably would prefer to mo...

2018-05-09 16:52 by CBenson
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i want to order this omni wheel , please can i know if it needs a specific coupler or not , if it needs a coupler can you supply me with the link...

2018-05-08 10:20 by rguimond
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Hello Which torque can we send out? What is the material of the disc Thanks...

2018-04-26 13:41 by rguimond
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Hello I am looking for a speed reducer like those that can be found on geared motors (like this one: https://www.robotshop.com/uk/pololu-298-to-1-micro-gear-motor-hp.html ), but without the motor, a...

2018-04-26 11:21 by scharette
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Which mounting hub fits 6" HiGrip Rubber Wheel (Tetrix)? https://www.robotshop.com/en/6-higrip-rubber-wheel-tetrix.html...

2018-04-23 11:37 by CBenson
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Hey, trying to build a moving airgun target super simple pulley system using an attachment chain. I have no background with robotics, engineering or mechanics and with all the options on this website ...

2018-04-23 10:23 by DiaLFonZo
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Hi, I'm having a custom brass flywheel made to mount onto a dc motor that I purchased on RobotShop with a 3.175 mm shaft diameter. The machine tolerance for the flywheel from the manufacturer is +/...

2018-04-03 11:43 by DiaLFonZo
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Hi I am trying to fix the damping panels onto the C brackets.. The screws seem too short to go through the 2 panels and the bracket. Screws are #2 x 250 (1/4 ) Also there is conflicting information o...

2018-03-22 09:19 by CBenson
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Hi all, Does anybody happen to know the PCD on the 10mm set screw hub (RB-Nex-19). Can't seem to find it anywhere. Thanks Chris...

2018-03-12 15:51 by CBenson
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I have been in development of this robot for over three years and have managed to strip the teeth on one of the base rotator units. Do they make the top rotating plate with steel teeth?...

2018-03-12 15:49 by CBenson
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Good Evening, I recently purchased a lynxmotion quadrapod kit ( http://www.lynxmotion.com/p-885-symmetric-quadruped-kit-flowbotics-studio.aspx ). I have began assembling it and have a few questions ab...

2018-03-12 13:25 by bdaouas
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Hello everyone. I have to mesh a dc motor's shaft to a worm gear assembly's shaft which is thicker. I have no idea how to do it. Please help me out....

2018-03-07 16:21 by asheeta05
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I was wondering which range of frequencies can be damped by these shock absorbers. For our project, we would use four absorbers to damp the movement of a load of approximately 25kg. Does anyone know w...

2018-03-07 11:26 by CBenson
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I have the 12V Low Noise DC Motor 146RPM w/Encoder. While I like the motor very much, I'm having some trouble mounting it to anything. It seems to be a slightly weird size. I bought the Pololu 37D mm...

2018-03-01 11:07 by bdaouas
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Hi, i am looking to purchase a fairly large track base c/w tracks and wheels and chassis etc. , i will build my own drives in to it. the track length should be around 1 metre and possibly articulate i...

2018-02-26 12:39 by DiaLFonZo
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Bonjour Petite question : ce kit chenille est il composé de une ou deux chenilles ? Merci d’avance Yann’...

2018-02-18 03:35 by Crxyann
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Losing my mind trying to find how and where to repair I don t want a chat line I just want an answer Your website has steered me all over but not to what I ask for...

2018-02-15 14:21 by jmichaud
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I have a floor cleaner moved to Canada charger won t work or charge no life in either part Having trouble with your web site to find an answer Page steered to does not exist How can I get some respons...

2018-02-13 13:04 by jmichaud
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I came home and found my robot off and it's not turning on. Any ideas what I could do?...

2018-02-13 05:15 by SarimKhan
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Hi , I want to set up accurate gps rtk guidance for ag use . I want to use my android smartphone for the display , mapping and guidance . Hope to soon set up a steering motor for hands free steering ....

2018-02-12 12:39 by scharette
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I would like to build something similar to Dr. Robot's Jaguar V2.. do you sell the wheels and tracks. I will be supplying my own motors....

2018-01-31 14:44 by bdaouas
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I need to mount a smooth pulley for a cable to a Traxxas 2085. I measure the shaft diameter to be 7.3mm(.29in). Can you recommend a hub or hub pulley combo?...

2018-01-31 12:32 by rguimond
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I have received Gear Motor Cradle Tilt (6" Cradle) P/N637124. I like it, but I have a problem: I cannot get the included: 6mm (0.700") Set Screw Hub to lock on motor shaft. Is there a fix? C...

2018-01-31 12:26 by rguimond
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Respected sir We are design an robotic arm for our project. The basic design & working is given in the file below. Please go through that & suggest a motor. Total length of arm (approx.) = ...

2018-01-30 10:07 by DiaLFonZo
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Hi, Is there a place I can find a dimensioned drawing or a solid model file of the LIDAR-Lite 3 Laser Rangefinder (Product Code: RB-Pli-06)? Thanks....

2018-01-29 15:00 by scharette
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I was replacing the liner for my Litter Robot and I found 2 rectangular magnets on the floor. I don't know where they came from but they must have been I the globe somewhere. I opened up the spring ...

2018-01-24 09:48 by pjutras
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Hi, I'm looking to purchase the snap circuit electromagnets kit available on your site and I'm wondering if the magnets over heat easily and/or how long it can be left on without getting too hot. I h...

2018-01-23 14:50 by rguimond
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So far i've been unsuccessful in trying to find a pulley ( or cog ) to fit a small motor that will free wheel in one direction but 'drive' in the other. (similar to free wheel sprocket on a bike) any...

2018-01-16 09:06 by DiaLFonZo
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My meccano says my servo is stuck I know its the neck what do I do?...

2018-01-11 10:36 by rguimond
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Hey, I'm currently developing a robot for a school project and it really needs to have continuous tracks, because at some point it will have to "climb" walls just enough for it to flip. Giv...

2018-01-08 09:06 by CBenson
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80mm Silicone Wheel for TT Motor Product Code : RB-Dfr-744 Hi I am new when it comes to robots. Checked the 80 mm wheel. Product Code : RB-Dfr-744 My p...

2017-12-21 09:37 by DiaLFonZo
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I purchased the Vex hardware and metal kit, and the wheel locks that came with it are not working on a threaded rod as I expected and I was wondering if you had any parts or suggestions to solve this ...

2017-12-18 16:15 by DiaLFonZo
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Hi, I'm interested in one of your micro servo, whose reference is RB-Fit-02. I wanted to know which gears i could connect to this one, and which one would be the most suitable for a balsa rod (a...

2017-12-18 12:20 by DiaLFonZo
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Hi, With a motor, I want to pull a shade chain which is a metal balls chain, and I don't find anything suitable for that on the site. Do you know what I can do to make this? I would use a stepper mo...

2017-12-14 10:16 by mxcprod
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My customer has several damaged motor cases for their mini Darwin robots. I can't find any parts listed. Is there a parts list?...

2017-12-13 11:44 by bdaouas
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Hello everyone , recently I am half arduino and suddenly wants to realize a project with this map and stepper motors; for the part control and motor is good, I found my happiness but for the mechanica...

2017-12-06 10:58 by bdaouas
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Hi everyone my name is Ferdi Caner and I have been trying to design a tri-star wheel for my bomb disposal robot which needs to climb a 25 cm obstacle. For that reason, I thought that it would be nice ...

2017-11-24 12:32 by DiaLFonZo
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Would anyone know what size the the screws are to mount the wheel to this hub as well as at what diameter are those from the center of the part....

2017-11-20 13:42 by scharette
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Hello, I am considering purchasing the below "100mm Mecanum Wheel Set" for FTC robot. Is there any adapter/connector in Robotshop to purchase for connecting the mecanum wheel with Tetrix Mot...

2017-11-20 13:21 by tauhid98
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Hello, I am looking for a bracket to hold the giant servo HS 805BB, the ones I find are for standard size servos and I cant find the CAD drawings to find ou the measurements. Can you recommend me a b...

2017-11-20 11:41 by DiaLFonZo
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What drive wheels are available for this track? Thanks...

2017-11-14 10:27 by Rookie
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Hey everyone, I have spent a good bit of time scouring the board and looking through the posts but haven't found an answer to my question. This could be due to my lack of knowledge around the subjec...

2017-11-10 10:06 by MThibault
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Hi, I'm planning to use the "Actobotics Swivel Hub" for rotation purposes, max of rotation being 70-90deg, can it stand rotation with load? or more precisely, any idea about max. radial loa...

2017-11-02 14:14 by ironfist
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Bearing_brushdriver.pdf [highlight=#fefefe] Dear support, [/highlight] [highlight=#fefefe] [color=#2b2e2f][size=4][highlight=#fefefe][font=Lucida Sans Unicode, Lucida Grande, Tahoma, Verdana, s...

2017-10-31 21:14 by christof2056
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I'm trying to find couplings or pulleys that will fit the shaft on a 28byj-48 stepper motor shaft. It's 5mm diameter with two flats. It's not going to have to take much torque or go very quickly. Do...

2017-10-31 10:20 by DiaLFonZo
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Hi there new to the forum appreciate all the info on here. I am wanting to mount these motors http://www.robotshop.com/ca/en/12v-25rpm-econ-metal-gearmotor.html?gclid=CjwKCAjw5PDLBRB0EiwAh-27MuCQrQytQ...

2017-10-27 10:04 by DiaLFonZo
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