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search: Posts Made By: Kevin Thorp
Forum: General Forum 01-29-2013, 09:06 PM
Replies: 9
Views: 2,627
Posted By Kevin Thorp
Re: Double Action/Spring Return Pneumatic Actuators

What you're talking about is a single acting cylinder. Unfortunately this type is typically only available in short strokes. The internal spring needs to be approx. 2X the stroke length, so it isn't...
Forum: Robot Showcase 01-22-2013, 12:47 PM
Replies: 3
Views: 1,701
Posted By Kevin Thorp
Re: 3132 prototype shooter and hopper/feeder

Do Frisbees spin in the opposite direction down under? :)
Forum: 3D Animation and Competition 01-19-2013, 04:37 PM
Replies: 36
Views: 5,528
Posted By Kevin Thorp
Re: 2013 Safety Animation

A few other teams had outstanding entries from a visual standpoint, but the Adambots entry had a great message that was very relevant to safety at the competitions. I think that's what the judges...
Forum: Pneumatics 01-17-2013, 08:54 AM
Replies: 17
Views: 3,175
Posted By Kevin Thorp
Re: Linear Actuator for Lifting

Yup, and you can use a Bimba cylinder to build your own linear actuator. It probably won't be as precise as a COTS linear actuator, but you don't need precise to climb pipes. ;)
Forum: Pneumatics 01-17-2013, 08:33 AM
Replies: 17
Views: 3,175
Posted By Kevin Thorp
Re: Linear Actuator for Lifting

Rule R78 in Section 4 states you can use a pneumatic cylinder. A linear actuator is just a guided pneumatic cylinder, so I think you're okay.

However it might be difficult to find one with enough...
Forum: Pneumatics 01-17-2013, 07:47 AM
Replies: 17
Views: 3,175
Posted By Kevin Thorp
Re: Linear Actuator for Lifting

A linear actuator is a commercial off the shelf (COTS) item, so it should be okay, as long as you use an approved motor on it (Table 4-1), and the "fair market value" does not exceed $400 (Rule...
Forum: 3D Animation and Competition 01-14-2013, 06:28 AM
Replies: 1
Views: 1,613
Posted By Kevin Thorp
Re: convert 2013 frc inventor to 3ds max (2012 edition)

Have you tried exporting .STL files from Inventor? I have done that from SolidWorks, and was able to import .STL into max. If it's a complicated part/assembly use the lowest quality settings to keep...
Forum: SolidWorks 01-11-2013, 10:07 AM
Replies: 2
Views: 479
Posted By Kevin Thorp
Aquiring SolidWorks software?

How long does it take SolidWorks to send software to FIRST teams? We filed out the online request form (http://www.solidworks.com/sw/education/robot-student-design-contest.htm) over 3 weeks ago, but...
Forum: 3D Animation and Competition 01-10-2013, 11:13 PM
Replies: 36
Views: 5,528
Posted By Kevin Thorp
Re: 2013 Safety Animation

Wow, that was great!
Forum: Awards 01-09-2013, 01:23 PM
Replies: 1
Views: 598
Posted By Kevin Thorp
Re: No Safety Animation Award?

GOOD NEWS! According to the FRC Blog (http://www.usfirst.org/roboticsprograms/frc/blog), FIRST is working on a revised Safety Manual and soon will release that, and announce the Safety Animation...
Forum: 3D Animation and Competition 01-09-2013, 08:14 AM
Replies: 36
Views: 5,528
Posted By Kevin Thorp
Re: 2013 Safety Animation

GREAT NEWS!
FIRST hasn't forgotten about the Safety animation contest. This was just posted on the FRC blog (http://www.usfirst.org/roboticsprograms/frc/blog):

Safety
Safety is an integral part of...
Forum: Technical Discussion 01-07-2013, 11:19 AM
Replies: 2
Views: 3,913
Posted By Kevin Thorp
Re: Belt vs Chain drive efficiency

I assume the testing was done on new/clean drive systems. Synchronous belts start having an efficiency advantage as chains & sprockets become worn & dirty.

A couple years ago at an off-road bicycle...
Forum: General Forum 01-07-2013, 08:30 AM
Replies: 8
Views: 1,337
Posted By Kevin Thorp
Re: Safety Manual

It seemed odd that at the Kickoff there was no mention of safety, or where to find the manual. And they didn't announce the winner of the safety animation contest (as they had done in previous...
Forum: General Forum 01-05-2013, 04:25 PM
Replies: 157
Views: 16,357
Posted By Kevin Thorp
Re: 2013 FRC Kickoff Discussion

Autodesk canceled the Design Excellence Award just a few weeks before the Kickoff, and FIRST ignored the Safety Animation contest.

So far, this hasn't been a good year for animation teams. :(
Forum: Awards 01-05-2013, 01:06 PM
Replies: 1
Views: 598
Posted By Kevin Thorp
No Safety Animation Award?

Does anyone know who won the Safety Animation contest?

Usually FIRST announces it during their Kickoff broadcast.
Forum: 3D Animation and Competition 01-05-2013, 01:04 PM
Replies: 36
Views: 5,528
Posted By Kevin Thorp
Re: 2013 Safety Animation

Does anyone know who won the Safety Animation contest?

Usually FIRST announces it during their Kickoff broadcast.
Forum: Rumor Mill 01-05-2013, 08:06 AM
Replies: 803
Views: 193,054
Posted By Kevin Thorp
Re: 2013 ACTUAL game hint!!!

I changed the 1's to solid blocks and the 0's to hollow blocks, then rotated the image and mirrored it. Looks a bit like the Burj Khalifa (http://en.wikipedia.org/wiki/Burj_Khalifa), the world's...
Forum: Pneumatics 01-04-2013, 05:50 PM
Replies: 14
Views: 4,291
Posted By Kevin Thorp
Re: Water Buildup in Pneumatic System?

There are some tiny parts in a solenoid valve. I hope you were very careful about cleaning them, just as though you were working in an operating room (maybe surgical masks are overkill). Perhaps a...
Forum: Rumor Mill 01-04-2013, 03:50 PM
Replies: 803
Views: 193,054
Posted By Kevin Thorp
Re: 2013 ACTUAL game hint!!!

What do the Curiosity rover and Navy Seals have in...
Forum: Rumor Mill 01-04-2013, 12:45 PM
Replies: 803
Views: 193,054
Posted By Kevin Thorp
Re: 2013 ACTUAL game hint!!!

Reminds me of our rookie year...
http://griid.files.wordpress.com/2012/04/titanic-sinking.jpg
Forum: Rumor Mill 01-04-2013, 12:31 PM
Replies: 803
Views: 193,054
Posted By Kevin Thorp
Re: 2013 ACTUAL game hint!!!

Re: ToddF's idea: I found this cool "Seal Fast Rope" video:

http://www.youtube.com/watch?v=wQk2Uz6jnw4

I wonder if we'll have to climb some type of structure then deploy mini-bots by "fast rope"?...
Forum: Rumor Mill 01-03-2013, 07:53 PM
Replies: 803
Views: 193,054
Posted By Kevin Thorp
Re: 2013 ACTUAL game hint!!!

With multiple robots all working together, just think what they could accomplish!

http://cdn-static.denofgeek.com/sites/denofgeek/files/styles/article_main_wide_image/public/images/278785.jpg
Forum: Rumor Mill 01-03-2013, 04:37 PM
Replies: 803
Views: 193,054
Posted By Kevin Thorp
Re: 2013 ACTUAL game hint!!!

Wow... That would be a new twist. Two (or more) robots having to work together to carry long heavy game element.
Forum: Rumor Mill 01-03-2013, 12:21 PM
Replies: 803
Views: 193,054
Posted By Kevin Thorp
Re: 2013 ACTUAL game hint!!!

Coincidentally, here's a cute safety animation created by the FEDS (Team 201): http://youtu.be/Z-j-UAeZ7rM
Forum: Rumor Mill 01-03-2013, 12:08 AM
Replies: 803
Views: 193,054
Posted By Kevin Thorp
Re: 2013 ACTUAL game hint!!!

It's been 5 years since the game used giant balls (FIRST Overdrive (http://en.wikipedia.org/wiki/FIRST_Overdrive)).

I wonder if the End Game might involve lifting a large ball up high (8'?) and...
Showing results 126 to 150 of 500

 
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