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Search took 0.01 seconds. search: Posts Made By: Pendulum^-1
Forum: Technical Discussion 30-01-2015, 09:58
Replies: 148
Views: 92,061
Posted By Pendulum^-1
Re: Recommended Tools and Machinery for Your Team's Machine Shop

Our drill bits were always a mess, just thrown into a bin of whatever sort was available. I really didn't want to take the time to construct an organizer for drill bits.

Then we found this drill...
Forum: Pneumatics 30-01-2015, 05:18
Replies: 2
Views: 815
Posted By Pendulum^-1
Re: Solenoid Not Working

Are you supplying proper voltage to the solenoid?

Our team had similar symptoms; Solenoid lights, no action.

The Festo solenoids/valves we got from FIRSTchoice need 24V. The PCM jumper is set to...
Forum: Technical Discussion 19-01-2015, 16:31
Replies: 27
Views: 5,694
Posted By Pendulum^-1
Re: Timing belt elevators

We got 30' of 25 mm wide belt from polybelt.com. We will cut to length. A bit pricey, sure.
Forum: Technical Discussion 18-01-2015, 14:42
Replies: 27
Views: 5,694
Posted By Pendulum^-1
Re: Timing belt elevators

We bought four clamps ourselves. As we are using 25 mm belt (~1"), we got 50 mm wide clamps. I'm pretty sure these were round profile; I'll check for sure on Tuesday (school closed this w/e) and...
Forum: Technical Discussion 18-01-2015, 08:40
Replies: 27
Views: 5,694
Posted By Pendulum^-1
Re: Timing belt elevators

http://www.polybelt.com/clamingp.php

Google timing belt clamping plates.

We plan to use a long timing belt length, clamping each end to the carriage, adjusting clamp location and belt length for...
Forum: Electrical 04-01-2015, 12:00
Replies: 9
Views: 2,486
Posted By Pendulum^-1
Re: LED strip configuration help?

Adafruit (https://learn.adafruit.com/adafruit-neopixel-uberguide?view=all) has a good tutorial on these LED strips.

A vendor on Amazon (SuperNight LED strip on Amazon) has a good price, and I've had...
Forum: General Forum 15-12-2014, 09:31
Replies: 64
Views: 8,795
Posted By Pendulum^-1
Re: Should FRC Team name = HS athletic team name?

When founded in 2006, McKinley Tech HS in Washington, DC was known as the Phoenix, as McKinley Tech was shut down, remodeled, and reopened in about 2004. Evidently, the alumni complained about...
Forum: Technical Discussion 10-12-2014, 07:52
Replies: 14
Views: 2,873
Posted By Pendulum^-1
Re: Where do your teams purchase your polycarbonate?

We have found thicker stuff locally in DC. When I was stationed in Tampa a few years ago, Home Depot stocked the thick stuff, about 3/8" thick. We bought a few sheets of the 6 mm three years ago,...
Forum: Technical Discussion 09-12-2014, 18:37
Replies: 14
Views: 2,873
Posted By Pendulum^-1
Re: Where do your teams purchase your polycarbonate?

While we purchase sheet polycarbonate for mounting electronics, etc, we also use multiwall polycarbonate for very lightweight, tough armor plate and billboard area. We order 4x8 sheets of 6mm...
Forum: Chit-Chat 28-10-2014, 15:09
Replies: 1
Views: 596
Posted By Pendulum^-1
RFID Positioning in NFL

Article on RFID positioning to track athletes during contests.

http://www.theverge.com/2014/10/28/7082683/nfl-real-time-motion-tracking-by-zebra-technologies

This may have implications for FIRST...
Forum: FIRST In the News... 07-08-2014, 12:33
Replies: 0
Views: 838
Posted By Pendulum^-1
Control Design Article on STEM

Control Design magazine featured STEM programs on the cover of their July 2014 magazine. FIRST is mentioned several times.
http://www.controldesign.com/assets/digital_edition/2014/July.pdf
Their...
Forum: General Forum 30-05-2014, 07:14
Replies: 10
Views: 2,549
Posted By Pendulum^-1
Re: Make sure to watch the white house science fair!

Who knows? All we know is that the three teams got invited on Thursday before the Tuesday event.* We (1915) probably got invited because we were local. Maybe demographics had something to do with...
Forum: Televised Robotics 29-05-2014, 15:30
Replies: 1
Views: 2,581
Posted By Pendulum^-1
World Cup Dream Kickoff Article

An extensive article on the "Dream Kickoff" scheduled to kickoff the 2014 World Cup in Brazil. A lot of information on the development of the science, and the development of the Brain Machine...
Forum: General Forum 02-05-2014, 06:44
Replies: 3
Views: 770
Posted By Pendulum^-1
Re: Good Websites and Resources

I keep up a list of vendors and FIRST manuals, etc. on my blog. (See my signature file.) I started this very simple page for a few reasons:
1) When I help out another team (typically a new or...
Forum: Pneumatics 15-03-2014, 09:12
Replies: 11
Views: 1,849
Posted By Pendulum^-1
Re: Mounting compressor upside down

We had a situation where the compressor would not get above 60 psi. Spent hours troubleshooting various items. Turned out that every component in the system was operating fine. It was the system...
Forum: Pneumatics 24-02-2014, 20:19
Replies: 35
Views: 3,221
Posted By Pendulum^-1
Re: Pre-charging pneumatic system

When I teach a team new to pneumatics, I emphasize that each component should be leak checked extensively before installing it on the robot. I know that this advice is a bit late for your 2014...
Forum: General Forum 13-01-2014, 07:13
Replies: 21
Views: 3,601
Posted By Pendulum^-1
Re: Is it possible to shoot the ball with pneumatics?

Is it possible? Yes. A number of teams did this in 2008. I distinctly recall Blue Cheese, with their robot Blue Cheddar, at...
Forum: Technical Discussion 08-01-2014, 09:09
Replies: 20
Views: 2,783
Posted By Pendulum^-1
Re: Standardized Loading Between Robots

The OP asks an excellent question, and one which teams really should consider. That includes teams that want to execute full court aerial passes. Will that really be faster? Or would a well driven...
Forum: General Forum 03-01-2014, 17:54
Replies: 16
Views: 2,621
Posted By Pendulum^-1
Re: Oops! Google Chrome could not connect to www.usfirst.org

Works fine for me as well; I've accessed a few times over the past few days.

Is it possible that your organization's firewall has blocked access? You may wish to check with your IT...
Forum: General Forum 01-01-2014, 12:19
Replies: 394
Views: 84,882
Posted By Pendulum^-1
Re: [FRC Blog] Kickoff Broadcast and Game Hint Redux

Here is a link to a single post that explains the numbers quite well:

http://www.chiefdelphi.com/forums/showpost.php?p=1318570&postcount=147

To get a more complete summary, search this thread for...
Forum: General Forum 30-12-2013, 22:51
Replies: 394
Views: 84,882
Posted By Pendulum^-1
Re: [FRC Blog] Kickoff Broadcast and Game Hint Redux

Fair enough.
Forum: General Forum 30-12-2013, 21:50
Replies: 394
Views: 84,882
Posted By Pendulum^-1
Re: [FRC Blog] Kickoff Broadcast and Game Hint Redux

OK, another shot at the whole Game Hint speculation. Quote:

"*Doctor Who is not a hint. I just happen to enjoy the show.

[Please don’t take my saying Doctor Who is not a hint to mean it really...
Forum: General Forum 30-12-2013, 21:35
Replies: 394
Views: 84,882
Posted By Pendulum^-1
Re: [FRC Blog] Kickoff Broadcast and Game Hint Redux

EDIT: before I get slapped down again, here is the most coherent explanation I could find on the number sequence:
http://www.chiefdelphi.com/forums/showpost.php?p=1318570&postcount=143

Explains the...
Forum: Rules/Strategy 27-12-2013, 11:05
Replies: 5
Views: 1,531
Posted By Pendulum^-1
Re: Launcher Accuracy Graph

When using such a graph for strategy discussions, don't forget to identify areas where robots can shoot without real impediment, and take them into account in your discussions. Examples: Zone near...
Forum: Rumor Mill 24-12-2013, 19:26
Replies: 21
Views: 3,298
Posted By Pendulum^-1
Re: Water games

SeaPerch is sponsored by the Office of Naval Research and managed by the Association for Unmanned Vehicle Systems International, AUVSI.

If anyone wants to know more about the SeaPerch program, I...
Showing results 1 to 25 of 62
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