Extend length of DC motor wires?

Mar 12, 2011 17 Replies

An 18 V cordless drill motor. Can the wire be extended to about 3 feet from the battery to the controller and from the controller back to the motor without degrading motor performance? Would larger (or smaller) diameter wire make any positive difference?



Thanks.


I don't think your name is really John Doe.

John

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It will almost certainly work. Bigger wire is better -- the more resistance in the wire, the more power you burn up in wire instead of putting to good use in the motor.

http://www.wescottdesign.com

Maybe in the groups that you hang out in. The ones that I frequent tend to real names, and the only people who really behave badly are the ones that hide behind nyms. Somehow I doubt that the spammers are using real names -- more like real-sounding nyms, most likely.

http://www.wescottdesign.com

An 18 V cordless drill motor. Can the wire be extended to about 3 feet from the battery to the controller and from the controller back to the motor without degrading motor performance? Would larger (or smaller) diameter wire make any positive difference?

Thanks.

Three feet will be OK. Use at least the gauge wire that the drill uses.

Tom (real name since 1949.)

--- It'll always degrade performance because the extra resistance of the wires will dissipate some of the energy which the drill motor would convert to torque into heat.

The question is; how much would the performance be degraded?

My guess would be that it wouldn't be noticeable.

---

--- Since larger diameter wire has lower resistance than smaller diameter wire, larger wire would degrade the performance less.

---

--- Yer welcome. :-)

--- JF

Like "John Doe" ?:-) ...Jim Thompson

| James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona 85048 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | Remember: Once you go over the hill, you pick up speed

In fact, most if not all.

...are no different than the ones everyone else frequents. UseNet is a worldwide public forum, unless you are talking about moderated groups.

Some groups might have more users who advertise their business, and there is probably a corresponding increase in chest-thumpers who use "a real name" as a troll. Like you, they post often times just to advertise their business. They are proclaiming "I use my real name... and by the way, check out my real business!"

If someone is nym-shifting, in fact you have no way of knowing whether they are using a real name for their good persona. Sometimes some of them get caught, though.

Obvious spammers, Yes. I'm talking about a regular who beats his chest about using a real name. Somebody who beats his chest about using his real name is almost always trying to advertise his own business.

> > -- > http://www.wescottdesign.com > regular > Path: news.astraweb.com!border6.newsrouter.astraweb.com!news.glorb.com!news2.glorb.com!border3.nntp.dca.giganews.com!Xl.tags.giganews.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local2.nntp.dca.giganews.com!nntp.web-ster.com!news.web-ster.com.POSTED!not-for-mail > NNTP-Posting-Date: Sat, 12 Mar 2011 13:42:51 -0600 > From: Tim Wescott > Subject: Re: Extend length of DC motor wires? > Newsgroups: sci.electronics.design,sci.electronics.basics,free.UseNet > References: > User-Agent: Pan/0.133 (House of Butterflies) > MIME-Version: 1.0 > Content-Type: text/plain; charset=UTF-8 > Content-Transfer-Encoding: 8bit > Message-ID: > Date: Sat, 12 Mar 2011 13:42:51 -0600 > Lines: 28 > X-Usenet-Provider: http://www.giganews.com > X-Trace: sv3-elELow1V8j6Y87L1UbwbKz7eul2IHoD43vH+sx72NfuzqGGEHrp/aVyXFA1JQhVGZVsU1sNqBgnJsM3!vPafp6C6rt+Z2pU+1aaXH+r4uAflx0E9ESIMkiNTtdyFWx1OM5+XR5+znEItHUxCUyuWfW34MSzL!bxOgVynCB3aYVO4= > X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers > X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly > X-Postfilter: 1.3.40 > X-Original-Bytes: 2328 >

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It's called a "nym," and they're typically used by people who want to hide their identity for whatever reason, usually to troll.

But John Fields is right - it won't hurt much, and anyway, isn't the speed control in the drill body itself, while the battery could stand alone?

Thanks, Rich

Well, nobody's holding you at gunpoint or twisting your arm forcing you to post here, or even read the posts.

Do _you_ have a real name? How old are you?

Hope This Helps! Rich

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You've already gotten the answer to your technical query, so why are you still hanging around?

Yup, thanks to the replies.

Are you talking to me?

> > --- > JF

Are you sure Tom? Is your real name Thomas perhaps? :-0

Are you sure Tom? Is your real name Thomas perhaps? :-0 I checked my birth certificate, you got me. I also use a nic :-(

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