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search: Posts Made By: JDL
Forum: Technical Discussion 07-04-2015, 01:18
Replies: 38
Views: 5,847
Posted By JDL
Re: Exposed gears/chain

I'm all for guards, build them all the time. But proper hand saftey must still be taught and enforced at all times.

Probably 80% of belt and chain injuries I've seen in industry have been during...
Forum: Electrical 02-04-2015, 02:07
Replies: 12
Views: 2,136
Posted By JDL
Re: 6 gauge wire for battery

I try to stay away from that automotive audio stuff, sometimes it good quality, other times it's pretty crappy wire.

You can get class k welding cable cheaper anyway.



Just don't use the KOP set...
Forum: Electrical 25-02-2015, 03:35
Replies: 25
Views: 3,858
Posted By JDL
Re: 16 gauge solid core vs 14 gauge solid core (and Wago connectors)

Wago's are the way things are going in industry. Constant tension, vibration resistant, eliminates under or over torque and stripped or cross threaded screws.

Get your ferrule crimper ready and...
Forum: Electrical 25-02-2015, 03:24
Replies: 9
Views: 1,813
Posted By JDL
Re: where do you source your power wire

I second Automation Direct. I buy MTW from them in semi truck sized quantity.

Mcmaster has a good selection of MTW/TEW too, that's usually where I order our 22 and 20 from.
Forum: Electrical 25-02-2015, 03:20
Replies: 7
Views: 1,090
Posted By JDL
Re: Diode for Radio Power

Enforce a 100% test policy and instill proper habits in the students instead of bodging in a diode. Everyone that is involved in the wiring should be able to use the DMM and check for proper...
Forum: Electrical 25-02-2015, 03:10
Replies: 9
Views: 1,718
Posted By JDL
Re: Connector Question

Legal, yeah. Good idea eh...

Anderson powerpoles are the industry standard for this type of connector. Not only is the bulk of their product UL listed and tested to various UL standards they also...
Forum: Electrical 18-01-2015, 02:16
Replies: 38
Views: 6,948
Posted By JDL
Re: Anderson PowerPole for CAN bus?

That's like using a 60 pound jack hammer to put in thumb tacks.
Forum: General Forum 17-01-2015, 01:10
Replies: 20
Views: 3,038
Posted By JDL
Re: Any Good Battery Chargers?

Ctek MUS 4.3

We have 6 mounted on our battery cart, along with 14 batteries in two rotating competition sets of 6 each plus 2 test batteries. We make our oldest 2 the test batteries.
Forum: Technical Discussion 17-01-2015, 01:02
Replies: 61
Views: 9,312
Posted By JDL
Re: Good Material For Bottom of Chassis

I like a nice piece of aluminum or steel/stainless. We've been doing 1/4" aluminum lately.

But I'm a control panel guy, I'm pretty attached to my metal back plates and my Greenlee DTAP kit.
Forum: Electrical 13-01-2015, 01:18
Replies: 7
Views: 1,582
Posted By JDL
Re: Digital Pneumatic Regulator and/or Sensor

McMaster sells some 0-5v transmitters. I think they call them compact pressure transmitters.
Forum: Electrical 11-01-2015, 22:19
Replies: 39
Views: 6,903
Posted By JDL
Re: New main battery connectors allowed

Oops I meant pounds, not sure why I put foot in front.

But that is just the minimum spec. Every power pole I've ever installed took a great deal more when new.
Forum: General Forum 11-01-2015, 21:44
Replies: 15
Views: 3,067
Posted By JDL
Re: safety

Just in time for the switch to SDS's in June.
Forum: Electrical 11-01-2015, 21:38
Replies: 39
Views: 6,903
Posted By JDL
Re: New main battery connectors allowed

I didn't look at ours yet but the kids mentioned they were hard to get apart. If they are high force contacts they take about 15 pounds minimum to separate.

You can get grips for the SB series to...
Forum: Regional Competitions 07-01-2015, 03:29
Replies: 1
Views: 955
Posted By JDL
Forum: Electrical 07-01-2015, 03:17
Replies: 39
Views: 6,903
Posted By JDL
Re: New main battery connectors allowed

Sounds like a solution looking for a problem.

I had a service truck with an SB50 mounted to the front bumper, I did bad things to that little connector, hard jump starts, an electric winch in the...
Forum: Electrical 07-01-2015, 02:56
Replies: 21
Views: 4,084
Posted By JDL
Re: Recommendations for self-adjusting wire stripper

Ideal Stripmaster's. Every industrial control panel shop has like a hundred of them laying around, they are the goto.

The Klein version the orange box sells are ok but the handles come off, I bought...
Forum: Electrical 07-01-2015, 02:36
Replies: 54
Views: 9,012
Posted By JDL
Re: Looking for slip rings and distributors

A piece of equipment I service used to use the Mercotac connectors, had one blow during a fault. The plant's Hazmat team got to put their mercury cleanup procedure to use.

Had that been at an event...
Forum: Electrical 11-10-2013, 00:25
Replies: 50
Views: 8,997
Posted By JDL
Re: How does your team crimp terminals?

I use my trusty Klein 1005 crimp pliers. The team uses the Channellock version. You can get both at the big orange box.

I'd like to get the team a few DN-CT ratchet crimpers from Automation Direct,...
Forum: Electrical 19-02-2013, 21:16
Replies: 9
Views: 1,298
Posted By JDL
Re: Broken PD board terminal?

We broke one one year, new one went on the bot. No easy way to repair it to same as factory new condition.

Not being one to waste a otherwise perfectly good power component I cut the stud flush and...
Forum: Electrical 14-02-2013, 23:37
Replies: 10
Views: 1,861
Posted By JDL
Re: Router Problems

Ours has a really *insert long string of expletives* power connector. The thing feels like it's moving around on the PCB inside, the center pin isn't centered either.
Forum: General Forum 13-02-2013, 16:31
Replies: 24
Views: 5,151
Posted By JDL
Re: FRC Blogged - Wireless Security, Karthik at TEDx and a Pop Safety Quiz!

Oh no, not power strips!!! :ahh: :ahh: :D

As an electrician I understand where UL is coming from they are coming from but also know what goes on in the real world, do a piss poor job distributing...
Forum: General Forum 04-02-2013, 23:03
Replies: 87
Views: 19,170
Posted By JDL
Re: At what point does it become unacceptable for a mentor to design/build the robot

They are also like apprentices in the fact that sometimes they get uppity, back talk and think they know everything.
Forum: Kit & Additional Hardware 04-02-2013, 17:24
Replies: 3
Views: 648
Posted By JDL
Re: Mixing grease types

Clean the old stuff out quick with industrial cleaner/degreaser and start fresh.
Forum: Electrical 01-02-2013, 22:35
Replies: 7
Views: 5,906
Posted By JDL
Re: Blue vs Yellow crimp connectors

Use the proper terminal. Using to large of wire can lead to failure, will it work in a pinch, yes, good habit to get into no.

As to the current ratings on crimp it's more of a gray area then black...
Forum: General Forum 01-02-2013, 17:33
Replies: 87
Views: 19,170
Posted By JDL
Re: At what point does it become unacceptable for a mentor to design/build the robot

We try to maintain a very good balance. Our teacher sponsor described it very well once as kinda like an apprenticeship program.

Just like I can't turn a 1st year loose inside a piece of 480V...
Showing results 1 to 25 of 65

 
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