pic: GUS Team 228's 2009 Robot Render

[artdutra04]

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[Arefin Bari]

Art, I must say that whoever did the design work put a lot of time into it. And it looks very nice. Good luck this season.

[Caio]

Very nice looking!

Reminds me of the 2006 254 robot.

[robodude03]

Originally Posted by Caio

Very nice looking!

Reminds me of the 2006 254 robot.

That is exactly what I was thinking. If you guys are able to control the speed of the shooting and angle I am sure you will be a force to be reckoned with at the comps. Nice job on the 3D design!

[R.C.]

Loving the Sick Render Art and whatz the weight, looks macho heavy senor.

[Aren_Hill]

Originally Posted by rc_cola1323

Loving the Sick Render Art and whatz the weight, looks macho heavy senor.

I'd have to disagree with that statement as most of the superstructure looks to be 1x1x.0625" square tube, which is insanely light. Plus he also said solidworks calculated 90lbs with out control system or compressor. So it really depends on how you define "heavy"

[R.C.]

90 lbs without compressor and control system that is still a ton weight to add. Just my two cents. Plus extra mounts.

[artdutra04]

After just finishing several more renders, it appears I forgot to set some of the components in PhotoWorks, like the front chassis rail and the timing belt sprockets. Anyway, a different angle of the front of the robot.




P.S. Does anyone know a really good way to run real roller chain in SolidWorks (especially with different size sprockets)? I know you can do linear and circular patterns, but it's just so much easier to make a belt-like loop and override the mass properties to the correct weight (#25 pitch chain is .090 lbs/ft). I'll switch to real chain if an easy way exists.

Originally Posted by rc_cola1323

Loving the Sick Render Art and whatz the weight, looks macho heavy senor.

We did a weigh-in of the practice robot (which is a lot more complete than our competition robot, as we send the practice robot to the Suffield Scrimmage) with most of the control system mounted (including CRIO, PD Board, Side Car, 2 Jags and 4 Victors) and the pneumatics compressor and two accumulators. We also put an entire 4'x8' sheet of polycarbonate to simulate the panels we have yet to cut out. We were missing some parts from the robot, but no more than about 10 pounds worth.

When we weighed in, we were at 99.5 pounds. Adding the other ten pounds of parts still to be installed, and we're still ten under. And the mounting for everything weighs almost nothing, as we're using 1/16" polycarbonate with 3/4" x 3/4" x 0.050"-wall aluminum angle with lots of rivets for making everything. Incredibly lightweight and strong.

[artdutra04]

Originally Posted by Arefin Bari

Art, I must say that whoever did the design work put a lot of time into it. And it looks very nice. Good luck this season.

Thanks, Arefin. I did most of the design and SolidWorks work, as well as a bit of CNC machining for a few of the parts on the robot.

Although I really have to thank our team machinist (Gary Morin) and our team's CNC sheet metal sponsor (R&D Precision) for turning around so many parts this year. Gary has been working almost non-stop at nearly every team meeting for the last four weeks fabricating parts on our lathe and mill (our school's insurance policy unfortunately forbids students under 18 from operating the lathe or mill), while the students have been prototyping ideas and making all the non critical +/- 1/16" or +/- 1/8" parts and assembling the robots.

Originally Posted by Caio

Very nice looking!

Reminds me of the 2006 254 robot.

I like to draw inspiration from a variety of sources (including our past robots as well as those of other teams), and then meld it all together into a unique design of our own.

[Akash Rastogi]

Awesome CAD as usual, its stuff that a lot of us look up to.

Keep up the awesome designs!

edit: wait there's pneumatics....care to explain or will we just have to see?

[roboticWanderor]

NICE, beautiful render, and fully detailed cad, excellent work

[artdutra04]

Another interesting bit of information about our 2009 robot: we only have six 1/4-20 screws on the entire robot*. Four are on the two pneumatic cylinders (because the rear pivot and clevis both use Ø.25 clearance hole), and two are on the trailer hitch. We used to almost exclusively use 1/4-20 due to it's availability at Home Depot, however a #10/32 screw is about 58.3% of the weight of a 1/4-20 screw. (That adds up fast when using steel fasteners).

There's a lot more interesting details, some visible in the render, some purposely suppressed, that will be released in due time. If you stop by our pit (at CTR or Championships), we'll have a lot more information about the interesting features of the robot, although most likely I won't be in the pits much due to event volunteering. Eventually I'll also have the students post the CAD models and drawings on the team website.


* Everything else is #10/32 socket cap head (most common) or button head, or #8/32 button head.

Originally Posted by Akash Rastogi

edit: wait there's pneumatics....care to explain or will we just have to see?

If you look at the full resolution (2560x1920) version of the render, you'll see two 3/4" bore x 4.00" stroke cylinders.

As for their function, that's up to you to figure out.

[roboticWanderor]

It flips down to help funnel balls to the shooter! I think...

[robert2.0]

hey that looks like it took a wile to plan

[mplanchard]

Arthur - and Team GUS,

This is just a beautiful model. Congratulations.
I won't get a chance to see you in CT for I will be in Manchester, Atlanta and SolidWorks is a sponsor for Boston. Between FIRST, BOTS-IQ and others - I spend alot of weekends at Robot events.

I know you and your team will do well. Best wishes.
Marie