pic: Uber Stinktier...

[Bob Steele]

loading photo ...

[Bob Steele]

This is our second year and our second attempt at a robot.
This one is designed in Inventor. Just thought we would see if anyone wants to speculate on it from this view.

Good luck everyone!!
We will see you in Atlanta...

Bonus points to those that can figure out the name of the robot..
Uber Stinktier....

R

[EricH]

Originally Posted by Bob Steele

This is our second year and our second attempt at a robot.
This one is designed in Inventor. Just thought we would see if anyone wants to speculate on it from this view.

Good luck everyone!!
We will see you in Atlanta...

Bonus points to those that can figure out the name of the robot..
Uber Stinktier....

R

Hurdler with omni drive.

Oh, and the name is German for "Skunk". I guess that's appropriate for a team known as "Skunkworks"...

[Bob Steele]

Originally Posted by EricH

Hurdler with omni drive.

Oh, and the name is German for "Skunk". I guess that's appropriate for a team known as "Skunkworks"...

Nice job Eric...
actually Super Skunk (Uber = Super)

I love German it is such a descriptive language... Stinktier is literally
Stink Animal... It is named in honor of our German Exchange student ...

[Madison]

Do y'all have a way of rolling tubing to make the claw? We're trying to figure out a way of doing something similar ourselves.

The machine looks good. There're some interesting things happening there with the 18" stroke, 1.5" bore piston and the peculiarly placed van door motor.

[thefro526]

Is that an arm or an elevator all i can make out in that pic is a massive claw and a van door motor

[Bob Steele]

Originally Posted by M. Krass

Do y'all have a way of rolling tubing to make the claw? We're trying to figure out a way of doing something similar ourselves.

The machine looks good. There're some interesting things happening there with the 18" stroke, 1.5" bore piston and the peculiarly placed van door motor.

We do have a way to roll tubing but we won't be using rolled tubing.
We made up layups to make the curved components from either carbon fiber or fiberglass... looking at the merits and weights of each right now.

It is a lift... a reclining lift...... two under jaws (the mandibles) and a upper "maxilla"
Three points of contact with the lower jaws articulated to close on the ball. The "maxilla" is also pneumatically operated and works in conjunction with the lower mandibles. There is also a tongue...

Jaws and maxilla are all pneumatically operated...hopefully automated closing based on input from a sonar sensor..

Taigene motor controls the cable system for the lift...

I will post a side view later...

Madison, we can roll tubing but it takes soft aluminum... it would probably have to be heat treated...we have a mock up in 3/4 X 1/8 wall that we are testing... let me know if we can help...

[Elgin Clock]

A friend of mine commented on how it looks like "a pope hat on wheels", and that's when it hit me..
Your team is playing chess this year!!!

Bishop ftw!



Btw, going with the tubing conversation, chromoly tubing is good if you have access to a shop that makes that kind of stuff.
(Any shops that design or fabricate chassis for race cars or bicycle frames near you by any chance?)

[jgannon]

Originally Posted by M. Krass

18" stroke, 1.5" bore piston

There aren't any legal 18" stroke pistons, so it has to be either the 1.5x11, or the 2x24. (I'm not great at estimating distances, but I'm guessing it's the 11".)

[Guy Davidson]

Looks like a very cool machine, from what I can see from the picture (and that isn't much). Can't wait to see it at Portland!

[MrForbes]

Originally Posted by M. Krass

Do y'all have a way of rolling tubing to make the claw? We're trying to figure out a way of doing something similar ourselves.

I'd suggest cutting out a form from wood that is the correct radius for the bend, clamp it firmly to a heavy work bench, and then clamp the end of the tubing at one end of the curve, and just bend the tube by pulling the loose end so the tube bends around the curved form.

This will probably work better with some types of tubing than with others...you'd want tubing that is relatively ductile, so 6061 is probably out of the running

[Bob Steele]

Thanks for all of the comments.
We have had success using a pipe bending machine originally designed to bend muffler pipes... a mentor just happens to have one...
It worked pretty well on 3/4 square soft aluminum tubing (wall thickness 1/8")

A pope robot eh?
interesting... perhaps the side view will explain...
It is actually a 15 " throw 1.5" diameter Bimba cylinder...
It is used for tipping back the lift to obtain a better center of gravity during flight.

We will see everyone in Portland, Seattle (Tacoma) , and at CMP.

I hope this thing works....

R

[jgannon]

Originally Posted by Bob Steele

It is actually a 15 " throw 1.5" diameter Bimba cylinder...

I hate to be the bearer of bad news, but there aren't any legal 1.5" bore cylinders with a stroke greater than 11". The only legal cylinders are the ones available from this page:
http://www.bimba.com/FirstFree.aspx

[rachal]

You should name it after a rocket...

Just wondering, why did you angle the omnis instead of using mecanums?

[Bob Steele]

Originally Posted by jgannon

I hate to be the bearer of bad news, but there aren't any legal 1.5" bore cylinders with a stroke greater than 11". The only legal cylinders are the ones available from this page:
http://www.bimba.com/FirstFree.aspx

Thanks for the heads up... it looks like our engineering team goofed.
Glad you caught it... ..

We will figure out something else then... the only long cylinder is the 2" 24" throw big boy...
I don't think we can afford the weight of that beast...
and we certainly don't need the power...

We named our robot the super skunk ( in German..) as a tribute to the German exchange student on the team... and because we are the skunk works...
Our t-shirts show our skunk holding up the Trackball...

We used the omni's because originally we wanted to make a circular frame and had worked prototyping that drive system during the fall.
When the game came along we had to redesign but we had omni wheels around so we decided to use them. We like the AM plastic omni wheels mounted in tandem and directly driven by DeWalt transmissions with CIM motors...


smile...