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Search took 0.01 seconds. search: Posts Made By: Teched3
Forum: General Forum 01-04-2016, 13:28
Replies: 12
Views: 1,521
Posted By Teched3
Smile Re: Why Do You FIRST?

I do FIRST because not enough is being done during regular school programs to inspire students who someday will be game changers. In addition, I wanted to give back in some meaningful way to say...
Forum: Motors 07-01-2016, 12:41
Replies: 4
Views: 1,440
Posted By Teched3
Smile Re: Flux Rings

I had a discussion regarding flux ring removal many years ago with Joe Johnson. He was working for Delphi at the time, and was a lead mentor for Chief Delphi Team 47. Removal of the flux ring will...
Forum: General Forum 05-04-2015, 08:13
Replies: 26
Views: 3,374
Posted By Teched3
Smile Re: Getting the Totes Right Side Up from the Chute Door

We have a lip extending out from our frame to "catch" the front edge of the tote before the tote hits the floor. We back up slightly and the tote falls upright.:) :)
Forum: Extra Discussion 18-01-2015, 23:26
Replies: 7
Views: 2,189
Posted By Teched3
Smile Re: pic: End Week 2 Prototype

I think I see a lateral drive in there.:) :)
Forum: Technical Discussion 13-12-2014, 20:24
Replies: 8
Views: 2,922
Posted By Teched3
Smile Re: Flush-mounting rivnuts

You could counterbore with an end mill. There is a style rivet nut that is knurled to "lock" it into the mounting hole, which make them a lot less prone to spin, making it difficult to remove. :)
Forum: Technical Discussion 06-11-2014, 13:48
Replies: 8
Views: 1,947
Posted By Teched3
Re: 1885's prototype...first version

I would suggest adding a weight box to bring it up to competition weight of 150 lbs with bumpers added so they get used to size. Then test with different motor configurations while driver training....
Forum: Technical Discussion 14-04-2014, 21:22
Replies: 9
Views: 2,968
Posted By Teched3
Smile Re: Elevator Design Questions

We have used both wire cable and Spectra cord in our elevators, with dual reels so it is powered both in and out. We have found the Spectra cord to be superior in that it allows small radius (1/4")...
Forum: Technical Discussion 13-04-2014, 21:59
Replies: 14
Views: 5,114
Posted By Teched3
Smile Re: Attaching Tread on Vex Traction Wheels

When we use traction material on our wheels, we use "Shoe Goop" as the adhesive we sand the mating surfaces and clean with alcohol to remove oil and dust. We make up sheet metal clamps out of soft...
Forum: Rules/Strategy 08-04-2014, 08:20
Replies: 15
Views: 2,724
Posted By Teched3
Smile Re: Passing/Trapping - Assist?

I would think trapping would be applied to red robot alliance doing that to blue robot alliance
Forum: Regional Competitions 02-04-2014, 20:48
Replies: 79
Views: 15,954
Posted By Teched3
Smile Re: [NE FIRST] District Championship point cutoff

Your team will be missed in Boston, but we look forward to seeing you in St. Louis.:) :)
Forum: Technical Discussion 31-03-2014, 10:07
Replies: 13
Views: 2,224
Posted By Teched3
Smile Re: VexPro sprocket wear

With no lubrication, and aluminum in contact with steel, wear would be expected. Most teams concerned about weight use aluminum, and will easily last a competition season. How did the other sprockets...
Forum: Regional Competitions 31-03-2014, 09:30
Replies: 49
Views: 10,385
Posted By Teched3
Smile Re: Unofficial New England Standings

Dana, these are the rankings as of 3-27-14. Hartford points will not be posted and added in until Wed. this week, according to rules:) :)

Rank Team District Points Event 1 Event 2 DCMP Age...
Forum: Pneumatics 30-03-2014, 21:10
Replies: 21
Views: 2,962
Posted By Teched3
Smile Re: How to improve power in piston shooter

It would help if you would give specs on what you are currently using to launch the ball.:) :)
Forum: Regional Competitions 28-03-2014, 13:07
Replies: 21
Views: 3,625
Posted By Teched3
Re: [NEFIRST] 2014 Northeastern University District

Ditto from me. Greatest quality I've watched online.:yikes: :yikes:
Forum: Regional Competitions 26-03-2014, 12:10
Replies: 45
Views: 6,500
Posted By Teched3
Smile Re: (NE First) Hartford District Event

:) Right on Jessica. We've been in FIRST long enough to see all the changes and growth that has occurred over the years. No team should ever consider doing anything less than their best. Helping...
Forum: Technical Discussion 31-01-2014, 10:51
Replies: 8
Views: 1,186
Posted By Teched3
Smile Re: Shaft slop help?

Cold-finished steel probably would have a better size tolerance. Your "wobble" is compounded not only by bearings, but the fit in the wheel hub. Vex aluminum shafting has a really good fit, and we...
Forum: Technical Discussion 23-01-2014, 11:01
Replies: 3
Views: 839
Posted By Teched3
Smile Re: Can the vex ball shifter be powered by a single cim?

You might want to consider using two mini CIMs, (if they are available in your design) as they will load the input gear equally and give you 1/3 more power then a single large CIM. Check your gear...
Forum: Electrical 13-01-2014, 23:16
Replies: 6
Views: 2,485
Posted By Teched3
Smile Re: Encoders with 3 CIM VexPro WCD DS Gearbox

Here is the link to their assembly instructions.

http://content.vexrobotics.com/vexpro/pdf/217-3268-3-CIM-Ball-Shifter-Assy-Instr-Rev1.pdf. :) :)
Forum: Championship Event 10-06-2013, 13:07
Replies: 82
Views: 8,868
Posted By Teched3
Smile Re: Your 2013 Championship photos have been developed and are waiting for you to clai

If you have not already done so, you can send photos of team 175 to robotics99@charter.net, and I will distribute them to our team. Thanks for doing that. Buzz certainly appreciates it.

Ps We...
Forum: Championship Event 17-04-2013, 20:06
Replies: 149
Views: 33,734
Posted By Teched3
Smile Re: 2013 Championship Newton Division

Go to the FIRST site, FRC, Events, then Championship, and then teams attending. The complete list of teams will pop up. Dig over Divisions column label, and the list will regenerate into Divisions,...
Forum: Technical Discussion 15-04-2013, 19:37
Replies: 39
Views: 6,201
Posted By Teched3
Smile Re: Integrated WCD "Warp drive" chassis

Any particular reason you are extending the driven wheel hex shaft outside the frame?:) :)
Forum: General Forum 06-04-2013, 13:58
Replies: 70
Views: 15,425
Posted By Teched3
Smile Re: VEXPro - After the season

We went with single speed, 2 stage transmissions, and they have worked great on our competition robot as well as our practice bot. The only comments I have about Vexpro are:

The plastic transmission...
Forum: Robot Showcase 10-02-2013, 11:31
Replies: 8
Views: 1,539
Posted By Teched3
Smile Re: Turkish FRC Team Performs a Frisbee Show at Turkish NBA Anadolu Efes’ Game

Great to see that Turkey is in the mix. Good Luck in your Regional Competition. Have you planned on coming to the U.S. for the Championship in St. Louis? :) :)
Forum: Rules/Strategy 06-01-2013, 20:51
Replies: 11
Views: 1,969
Posted By Teched3
Smile Re: Does 54" include bumpers?

Definitely a question for the GDC. There is ambiguity in R05 where one paragraph refers to weight and volume, and the next only weight with reference to bumper excusion.
:) :)
Forum: Electrical 11-03-2012, 17:57
Replies: 12
Views: 2,396
Posted By Teched3
Smile Re: High Power LED's

The only way I know of would be to design a custom circuit utilizing capacitors to fill in the voltage drop during spin up of your shooter. Use the spike to turn the circuit on- off. Sorry, but I...
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