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Sphero Landstrider #make5000

by PowerChainPro, published

Sphero Landstrider #make5000 by PowerChainPro Aug 15, 2014
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26432Views 4665Downloads Found in Robotics

Summary

Behold the Sphero Landstrider! This accessory allows Sphero to walk about on his own 8 legs. This unique powertrain harnesses Sphero’s rotational motion and converts it into an elegant stride inspired by the Theo Jansen mechanism. Future versions of the Landstrider could include interchangeable gears for teaching young students the principles of mechanical advantage and general engineering skills. The powertrain could also be adapted to power other vehicles with wheels, tank treads, or even propel a boat. All rights reserved #make5000. http://youtu.be/Pf7Pm4YyCeg

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Jul 3, 2017 - Modified Jul 3, 2017

might be better to make a chariot to pull the landstrider around! would be faster cuz you could make it lighter by removing the stuff on top and the weight of the sphere itself!
or better yet use the ollie, cuz it goes faster at 14mph instead of spheros 4mph. the ollie is cheaper too at 99$ versus spheros 129$

Jul 2, 2017 - Modified Jul 2, 2017

why is it so slow? you might want to change the gearing to make it faster.
and to bad it needs metal screws. would be nice if there was a way to make fasteners with 3d printer.

I tried a 7:1 gear ratio first and the Sphero was too underpowered to make the legs move. The Sphero can only impart as much energy as gravity pulling on its counterweight. The 21:1 ratio is slow but it is reduced enough to actually work. Feel free to post printable fasteners in a modification of your own. That would be very interesting. I just didn't feel the need to reinvent bolts and screws.

What infill and layer height would you recommend for this build?

It has been a while since I made this but I think I used around around 75% infill for a little better strength. I would just print at whatever layer height you have had success with in the past. I would not be worried about trying to print at the highest resolution possible either. Hope this helps!

Oh wow. This is going to take some time to print then! Thanks for your reply!

Jul 2, 2017 - Modified Jul 2, 2017
dav88 - in reply to iamthewalrus007

i doubt that you need that much infill. maybe 20% infill on the legs. and the gears would be about 50% infill or more to last longer.

I would not skimp on the infill. The legs are thin and delicate as is. Without sufficient structure they will flex under their own load plus the Sphero on top. Spend the extra print time. It will be worth it.

Printed the gears so far at 50% fill for a test. I just upgrade my monoprice mini to have the Brutus bed upgrade from 4Dimension Mods so I have been really working on adjusting my printer to get back to optimal performance. I only started printing a year ago and have learned sooooo much already. Once the last threaded rod gets in I'll test it and make sure the gears work well. Then reprint at higher infill. Thanks for your reply, I greatly appreciate it!

Shaft centering mechanism is linked, if it is about separation, will be able to make a turn, a lot more lively.

By the way, if you want to make this all rights reserved, you need to change your Creative Commons settings as well. Right now it's CC Attribution Share Alike. You can say "all rights reserved" as much as you want, but you need to make your share settings match for that to really be true.

i will never buy from sphereo unless they fix the stupid software

Dont have documentations?

Is there any way you could post the BOM for this now? I just got a Sphero and this looks like the coolest thing I could print to go with it!

special design. thanks man for your great work
http://www.3dmaker.vn

Do you know who won?

I have not heard anything yet. The website says that the winning designs will be announced at the Maker Faire in NY. That seems odd to me since first prize includes a trip to the Maker Faire. That makes me think whoever won first place has been privately notified.

Do you know who won?

Apart from the issues with Thingiverse EULA there may also be some complications with the likeness to the design by Theo Jansen:
http://www.youtube.com/watch?v=HLkd1xXrie0

P.S. There are other sites for sharing 3D designs apart from Thingiverse that comes without such a problematic EULA

Then Theo has some issues to take up with Leonardo Da vinci also :)

All rights reserved doesn't mean anything to Thingiverse. You may want to read there terms of use and also Google what Thingiverse does with your designs.

Very cool. Are there any details on assembly or a BOM for non printed parts? Quantities for printed parts?

Not yet. I posted this project for the #make5000 competition sponsored by Orbotix. I may put together a complete set of instructions in the future depending on how the competition goes. If the project is chosen, the design belongs to Orbotix.

Did you ever come up with a BOM my students and I just bought a sphero and would like to print and build this!!

Thanks man great work!

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