# How to measure the robot weight?

#1

Hi,

is there any way to measure the weight using the digital body weight? how to do it? thanks in advance.

#2

Are you having trouble because the base of your robot is bigger than the scale? Can you just lay some 2X4s across the scale then set the robot on those?

#3

If you do this remember to zero the scale with these 2x4’s on top otherwise your robot will seem heavier then it actually is.

#4

My team has one of these: https://www.amazon.com/gp/product/B0153I0418/ref=oh_aui_search_asin_title?ie=UTF8&psc=1

It was fairly easy to build a platform on top of it to properly support the robot, and having the readout on a cord makes it easy to see how much it weighs - a robot will cover up the readout on a normal bathroom scale!

We’ve also had luck in the past with extremely cheap bathroom scales. Using two of them, we placed a 2x4 on each one (then zero the scale, or write down how much each 2x4 weighs!), then balanced the robot between them. This let us hang the readout in front/behind the robot on each scale. It also can help to determine where your center of gravity is. Using 4 of them, one for each corner wheel, can help with that even more!

#5

We normally go into the locker rooms at our school and have someone hold it while they are on the scale then subtract their weight.

#6

Our ag department has some large scales for livestock that we typically use

#7

We usually borrow our wrestling team’s scale to weigh our robot or parts. If the object we are trying to weigh doesn’t fit on the scale, we either put a plywood base on and zero the scale or have someone hold onto the part and subtract their weight out.

#8

Thanks a lot, I order a scale from Amazon just now. the link is https://www.amazon.ca/gp/product/B0153I0418/ref=ppx_yo_dt_b_asin_title_o01__o00_s00?ie=UTF8&psc=1