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Smog draft1 DiscoBots 2587 Offseason robot

n1ckd2012

By: n1ckd2012
New: 28-06-2012 23:40
Updated: 28-06-2012 23:40
Views: 1738 times


Smog draft1 DiscoBots 2587 Offseason robot

Download the full res image so you can zoom in on the individual components. https://docs.google.com/open?id=0BzBrFVXr3ro9V3VqbXQ4QlVmZDg

Smog is our working title. Smog will be our demo robot. It is designed to drive up curbs and pop wheelies for fun. Wheelie mechanism is inspired by that on 111's 2012 bot. In the spirit of Disco, Smog will have built in speakers, tons of LEDs, Lasers, and an integrated fog machine. We might even add a mount for a projector for portable movie night.

0.09" Aluminum Sheet metal.
8x6inch wheels. Debating between colsons and pneumatics.
Supershifters.

We intend to build this by the end of summer. We are developing a kickstarter campaign to fund it. Hopefully that will be released soon.

This is by first real sheet metal drivetrain. Please let me know what you think.

-Nick

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29-06-2012 12:44

Gregor


Unread Re: pic: Smog draft1 DiscoBots 2587 Offseason robot

If you look at how 254 incorporated a lift kit, it used much less space than your projected one. I can see the big pneumatic cylinders sticking up to be quite annoying.


http://team254.com/wp-content/upload.../drivebase.jpg



29-06-2012 14:27

akoscielski3


Unread Re: pic: Smog draft1 DiscoBots 2587 Offseason robot

YES! Now we can Play robot LEAPFROG! or should I say LEAPROBOT!!!



29-06-2012 14:38

CalTran


Unread Re: pic: Smog draft1 DiscoBots 2587 Offseason robot

Quote:
Originally Posted by akoscielski3 View Post
YES! Now we can Play robot LEAPFROG! or should I say LEAPROBOT!!!
...suddenly, I know how I'm going to beat defensive robots next year...



29-06-2012 16:18

n1ckd2012


Unread Re: pic: Smog draft1 DiscoBots 2587 Offseason robot

Quote:
Originally Posted by Gregor View Post
If you look at how 254 incorporated a lift kit, it used much less space than your projected one. I can see the big pneumatic cylinders sticking up to be quite annoying.
http://team254.com/wp-content/upload.../drivebase.jpg
I like their implementation however I feel that is is easier to achieve super high wheelies with my version. I will draft up a cheesypoof style lift for comparison. Thanks for pointing that design out!

The current piston stroke is 5 inches. I might increase the stroke for a higher wheelie.



29-06-2012 16:38

jblay


Unread Re: pic: Smog draft1 DiscoBots 2587 Offseason robot

Just want to throw out that depending on the placement of this thing and how far out it goes you could theoretically use this as a stinger as well.



29-06-2012 18:22

Peck


Unread Re: pic: Smog draft1 DiscoBots 2587 Offseason robot

y do u have such big wheels around the rotatory?



29-06-2012 19:01

Bertman


Unread Re: pic: Smog draft1 DiscoBots 2587 Offseason robot

Wheelie smeelie, Where is the mirror ball?



29-06-2012 20:41

PAR_WIG1350


Unread Re: pic: Smog draft1 DiscoBots 2587 Offseason robot

Quote:
Originally Posted by n1ckd2012 View Post
I like their implementation however I feel that is is easier to achieve super high wheelies with my version. I will draft up a cheesypoof style lift for comparison. Thanks for pointing that design out!

The current piston stroke is 5 inches. I might increase the stroke for a higher wheelie.
The implementation used by the Cheesypoofs places the cylinder rod in tension. This is a much safer method than one that places the rod in compression since there is less of a chance of bending the rod. Any deflection on a rod in tension will be resisted (for the same reason a string in tension tends to remain straight. However if the rod is in compression, the deflection will cause the force of the cylinder to move out of alignment generating torque to bend the rod. My biggest concern would be if the rollers were to hit anything at appreciable speed.



29-06-2012 21:43

n1ckd2012


Unread Re: pic: Smog draft1 DiscoBots 2587 Offseason robot

Quote:
Originally Posted by Peck View Post
y do u have such big wheels around the rotatory?
The orange wheels between the front two sets of drive wheels? Those are there to keep curbs and bumps front scraping the frame when climbing. The wheels on the end of the lift do the same when the lift is retracted. I might add a third set between that rear four drive wheels.

Quote:
Originally Posted by Bertman View Post
Wheelie smeelie, Where is the mirror ball?
Happy now? =)
https://docs.google.com/open?id=0BzB...3RXTGk1RXV5SVk

Quote:
Originally Posted by PAR_WIG1350 View Post
The implementation used by the Cheesypoofs places the cylinder rod in tension. This is a much safer method than one that places the rod in compression since there is less of a chance of bending the rod.
Thanks. Will take this into consideration for the next revision



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