Current Rover project

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Current Rover project

Postby jetdillo » Sat Sep 07, 2019 7:43 pm

Here's my current project that I've recently finished printing and am now wiring/getting the electronics and sensors installed on:
A "Curiosity-style" 1/4 scale rover model.
Based on the SAWPPY Rover designed by "Roger Random" on Hackaday, my version was printed on my Raise3D along w/ some obviously metal bits like the Mitsumi 1515 channel stock, screws, washers, etc.
The printed parts are mostly MadeSolid and 3D SoluTech PETG, along w/ NylonX axles and PETGCF wheels.
I'll post more as things progress along.



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Re: Current Rover project

Postby Jay_Omega » Sun Sep 08, 2019 6:12 pm

That's pretty darn cool!

I look forward to updates.


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Re: Current Rover project

Postby woofy » Mon Sep 09, 2019 8:34 am

Very impressive design.
Keep us updated on your progress.
Raise3D N2+, Ultimaker2 & UP plus printers.

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Re: Current Rover project

Postby red » Thu Oct 03, 2019 4:18 pm

That is cool.

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Re: Current Rover project

Postby jetdillo » Wed Mar 25, 2020 6:39 pm

It's been a long time since I've posted an update here, but the rover is working and rolling around after it's 3rd or so rebuild.
The NylonX has been largely replaced with either 8mm cold steel or Polymaker PC.

The NylonX actually held up the weight of the entire rover, even on the thinner suspension shafts, but those deflected a lot at the more load-bearing components. This affected driving, so I've replaced them as they broke. I recently printed out some replacements in Polymaker PC so we'll see how that works.
For those who haven't worked with NylonX, I would say that it is pretty much indestructible when there is sufficient mass/surface area. It likes being part of big chunky parts and has just enough "give" to not fail where something like PETG, PLA or even ABS might.

Brains are a Raspberry Pi4 with a ArduinoMEGA 2560 controlling a set of L298N motor controllers. As you can see in the video, there's power to all 6 wheels and independent corner-steering on the front and back wheels. ROS(Robot OS) knits all of this together to provide both remote control and autonomous navigation.


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Re: Current Rover project

Postby Daws » Mon Apr 06, 2020 11:27 pm

Great Project, thanks for the tips on NylonX, I've been planning on doing some functional parts using this material so it's good to get info from others who have used it.
CAD-NX Printer-Raise3D N2

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