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Search: Posts Made By: dpaton
Showing results 1 to 25 of 277
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Forum: Electric On-Road
03-07-2004, 06:38 AM
Replies: 207
Views: 13,534
Posted By dpaton

he votage should be fine without any adjustment...

he votage should be fine without any adjustment as long as you keep your power leads nice and fat. The regulation on those supplies should be good for something like +/-0.05V up to their rated...
Forum: Electric On-Road
03-01-2004, 06:06 PM
Replies: 207
Views: 13,534
Posted By dpaton

Switching power supplies generally run very near...

Switching power supplies generally run very near the edge of the safe operating area of the capacitors used in them. If the specs are off, or the cap is a bum part, they'll fry. Not always...
Forum: Electric On-Road
02-24-2004, 08:07 PM
Replies: 207
Views: 13,534
Posted By dpaton

Then it's probably just a bum part. It happens...

Then it's probably just a bum part. It happens sometimes. In the industry it's called an "infantile failure" since the device was so young when it died. If it has a factory warranty I'd normally tell...
Forum: Electric On-Road
02-23-2004, 04:30 PM
Replies: 207
Views: 13,534
Posted By dpaton

Off the top of my head, I'd say it was a bad or...

Off the top of my head, I'd say it was a bad or undersized part. The other possibility is that there wasn't enough airflow by the cap and it overheated at one point. Generally these supplies are made...
Forum: Electric On-Road
01-24-2004, 07:47 AM
Replies: 6
Views: 741
Posted By dpaton

There was a guy, but he closed up shop about 6...

There was a guy, but he closed up shop about 6 months ago. I was about to send him my 2 BC112a chargers for firmware upgrades. Alas, his company is no more.

:(

-dave
Forum: Team and Company Discussions
01-21-2004, 09:56 PM
Replies: 6,833
Views: 379,087
Posted By dpaton

Soldering

Mmm..not quite. Thermal mass in this case is the same as real mass. A hotter iron that only has a few ounces of metal in the tip will have a much harder time than an iron that has 2x the actual mass...
Forum: Electric On-Road
01-19-2004, 05:03 AM
Replies: 50,106
Views: 6,695,537
Posted By dpaton

Re: 4 or 6

Way back when, people used to race both 4 and 6 cells in 1/12 classes. Now, 4 cell is pretty much it. You'd be amazed at how fast the cars are with only ~5V to the motors...

-dave
Forum: Electric On-Road
01-18-2004, 08:46 AM
Replies: 207
Views: 13,534
Posted By dpaton

Um...are you sure that switch is rated for 120V?...

Um...are you sure that switch is rated for 120V? It sounds more like one for automotive use, which means it's probably only spec'd to 14V.

If it is rated for 120, PM me and we'll get it working.
...
Forum: Electric On-Road
01-17-2004, 09:36 PM
Replies: 207
Views: 13,534
Posted By dpaton

Did you get the AC polarity correct? Hot (aka...

Did you get the AC polarity correct? Hot (aka Line or L) goes to the narrow plug, neutral (n) goes to the wide one. Make sure it's grounded.

Some supplies won't stary up without a load...try...
Forum: Electric On-Road
01-17-2004, 04:00 PM
Replies: 207
Views: 13,534
Posted By dpaton

Yup, that's the correct wiring. You can...

Yup, that's the correct wiring.

You can leave the voltage adjustment as is for the most part. The supply will usually be calibrated to 12-12.5V, which is fine for RC stuff. Most chargers will...
Forum: Electric On-Road
01-14-2004, 03:13 PM
Replies: 207
Views: 13,534
Posted By dpaton

Th GFX will suck up about an amp more than the...

Th GFX will suck up about an amp more than the charge current, so at 6A, you'll pull abotu 7A from the PS.

-dave
Forum: Electric On-Road
01-10-2004, 08:33 PM
Replies: 22
Views: 2,636
Posted By dpaton

Re: oh yes

Don't tell my girlfriend....:eek: :D :sneaky:

-dave
Forum: Electric On-Road
01-10-2004, 08:11 PM
Replies: 22
Views: 2,636
Posted By dpaton

2000 was a typo. I meant 200. My original post...

2000 was a typo. I meant 200. My original post has been edited to reflect this.
On to your question...
ESCs use a drive frequency between 60 and 20,000Hz. Servos work on a difference algorithm,...
Forum: Electric On-Road
01-08-2004, 08:23 PM
Replies: 22
Views: 2,636
Posted By dpaton

Glad to help guys :sneaky: -dave

Glad to help guys

:sneaky:

-dave
Forum: Team and Company Discussions
01-08-2004, 07:42 PM
Replies: 6,833
Views: 379,087
Posted By dpaton

Sometimes you'll get a freak cell that will die...

Sometimes you'll get a freak cell that will die after only a few cycles. I bet if you ask nice the Fukuyama crew will work something out for you.

-dave
Forum: Electric On-Road
01-08-2004, 01:57 PM
Replies: 22
Views: 2,636
Posted By dpaton

No. The pulses that the receiver sends to the...

No. The pulses that the receiver sends to the servo are very fast (~200 times faster than an ESC switches), and ferrite will round over their edges, making glitching more likely, since the pulses...
Forum: Electric On-Road
01-08-2004, 01:52 PM
Replies: 22
Views: 2,636
Posted By dpaton

The art of using ferrite is complex. I'm not an...

The art of using ferrite is complex. I'm not an RF guy, but I have put them in a few products, so I'll see if I can distill this a little.

Ferrite is a special form of elemental iron, which exists...
Forum: Electric On-Road
01-06-2004, 09:48 PM
Replies: 14,361
Views: 1,248,074
Posted By dpaton

Re: JR XS-3 Radio Settings for Losi XXX-S

I run mine straight up. A little trim here and there, and I keep my throttle deadband near zero, but other than that, I don't use any of the expo or other toys.

But that's just me.

-dave
Forum: Electric On-Road
01-03-2004, 01:48 PM
Replies: 207
Views: 13,534
Posted By dpaton

The singles and doubles are exactly the same....

The singles and doubles are exactly the same. Inside, there's a wire between them. They are provoded in 2 places to make strapping them to the sense returns (S+/-) easier. As long as you leave the...
Forum: Electric On-Road
01-03-2004, 01:34 PM
Replies: 207
Views: 13,534
Posted By dpaton

The pictures look great guys :D Please....

The pictures look great guys :D


Please. Soon.

-dave
Forum: Electric On-Road
01-03-2004, 01:32 PM
Replies: 207
Views: 13,534
Posted By dpaton

They are the same, as long as the straps are in...

They are the same, as long as the straps are in place acrosss the doublewide terminals. It really doesn't matter, as long as the straps stay in place.

-dave
Forum: Electric On-Road
01-03-2004, 11:39 AM
Replies: 207
Views: 13,534
Posted By dpaton

Re: last...

Looks great Church. Glad to be of assistance :sneaky:

-dave
Forum: Electric On-Road
01-01-2004, 05:18 PM
Replies: 39
Views: 3,539
Posted By dpaton

Indeed it is. I dont' advocate leaving wires long...

Indeed it is. I dont' advocate leaving wires long either, it's messy. But I do think if an extra inch or two makes the car easier to work on, or the batteries easier to change, etc, it shouldn't be...
Forum: Electric On-Road
01-01-2004, 03:46 PM
Replies: 39
Views: 3,539
Posted By dpaton

Sorta. The published resistances of the ESCs you...

Sorta. The published resistances of the ESCs you see are the theoretical on resistances of the FETs in question. Unfotunately, the on resistance (denoted Rdson in the datasheets) of the FETs will...
Forum: Electric On-Road
01-01-2004, 12:05 PM
Replies: 207
Views: 13,534
Posted By dpaton

Looking at the cord end, with the prongs facing...

Looking at the cord end, with the prongs facing you, they go:

hot neutral
ground


-dave
Showing results 1 to 25 of 277
 
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