jstarne1
USA
Asked
— Edited
ANT is doing a great job getting the first proto of the XLR6 ready to send to me to start working on so for the sake of planning I would like to listen to the communities ideas for a rover kit and rover base. The EZ Robot kit is a great place to start so we aren't trying to replace Roli. This is for the next level kit , more ridiculous add ons can be made later. I will share some of what we have in mind so far. As always all our projects are being developed for use with ez robot Ezb v4 but you can still use a v3 in them.
Rover kit , that's a top and bottom to make the whole Xl rover
- misc parts like wheels
Rover base only, that's the bottom half of the Rover frame with wheels and a flat tray on top all molded from 80A shore urethane plastic
I'am impressed! The steppers seem to have a lot going for them and your exposure will certainly convince more robot builders to try "them out" Thanks again
@IRobot - Thanks man! here is a little test video i stumbled on show how a stepper can run on various voltages, with higher voltage the operating torque rises and without any load at all the motor will spin very fast. Take in mind he is not using a controller on this motor just a makeshift circuit that is generating a great deal of electronic buzz that is not typical with stepper drivers / h bridges. It shows the same NEMA 17 55 oz in runnin 6 volt, 12 volt and 18 volts. They can go much higher , up to 45 volts for small electronic drivers like what we will use. The motors "rating is only 3.0 volt so you see the direct effect voltage has.
https://www.youtube.com/watch?v=i-8LaQHZzF8
Lots of awesome info Josh. Thanks for all of the info and sharing your research with us.
@ Antron007 , Thanks Antron. Educated purchases are the best purchases!
General update - I am mocking up a wood body over the next day or two with the general specifics of my sketches so i can get some more measurements to create the motor mounts on the end that swivel. Once i have test body i will check some measurements for the mounts and if i need to make size changes to optimize the body shape. Take in mind this is the business end of the " solid frame" indoor rover and the top half will be more cosmetically pleasing. The top half of the shell will cover the bottom.
at this point the rover is a electric " motor in wheel" design. Because the front and rear wheels have their own motors this can be a quad "smartcar" as well and still retain the maneuverability but drop weight capacity without the center supporting "axle". These are just rough sketches and I will update with a live mockup to.
Here I'm working on the mockup similar to the initial sketches.
original basic function sketch..
Here comes a wood model to get real world perspective and also give us a better grasp on measurements for the 3d design aspects.
I just glued the joints together and it takes a few hours for the glue to dry completely so i am done for tonight. You can imagine it sort of coming together.
Overlay doodling , yea it looks like crayons I know lol.
jstarne1-XLRobots.com, Your wood model looks good! Steve