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Photos - Dallas Interurban - Part 1

Posted by Joe Saitta on Sun Aug 29 20:10:50 2010

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Re: Photos - Dallas Interurban - Part 1

Posted by eyedoctor on Sun Aug 29 20:58:22 2010, in response to Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Sun Aug 29 20:10:50 2010.

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Nice! In 12/10, Denton County A train will connect the North Carrollton Dart station to Denton.

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(972877)

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Re: Photos - Dallas Interurban - Part 1

Posted by Joe Saitta on Sun Aug 29 21:01:47 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by eyedoctor on Sun Aug 29 20:58:22 2010.

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Thank you - more to be posted shortly. When the new line opens, I'll be there to photograph it.

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(972880)

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Re: Photos - Dallas Interurban - Part 1

Posted by Jersey Mike on Sun Aug 29 21:10:29 2010, in response to Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Sun Aug 29 20:10:50 2010.

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The square sealed beams on the DART Cars are amusing.

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Re: Photos - Dallas Interurban - Part 1

Posted by arnine on Sun Aug 29 21:25:43 2010, in response to Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Sun Aug 29 20:10:50 2010.

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Great Pics :)

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Re: Photos - Dallas Interurban - Part 1

Posted by Joe Saitta on Sun Aug 29 21:25:57 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by arnine on Sun Aug 29 21:25:43 2010.

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Thank you!

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Re: Photos - Dallas Interurban - Part 1

Posted by Terrapin Station on Sun Aug 29 21:39:26 2010, in response to Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Sun Aug 29 20:10:50 2010.

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The underground photos are blurry and the above ground photos are washed out and bland and not that sharp. Overall not that nice.

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(972900)

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Re: Photos - Dallas Interurban - Part 1

Posted by Train Dude on Sun Aug 29 21:42:52 2010, in response to Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Sun Aug 29 20:10:50 2010.

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Thanks for the extremely interesting shots....

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Re: Photos - Dallas Interurban - Part 1

Posted by Terrapin Station on Sun Aug 29 21:44:08 2010, in response to Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Sun Aug 29 20:10:50 2010.

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And yes, like the majority of photos posted here, these photos certainly are interesting!

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Re: Photos - Dallas Interurban - Part 1

Posted by Joe Saitta on Sun Aug 29 21:44:13 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Train Dude on Sun Aug 29 21:42:52 2010.

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Thank you for your comment. Very much appreciated; more were just posted.

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Re: Photos - Dallas Interurban - Part 1

Posted by Train Man Paul : Metro-North's Best Conductor FOR ALL 3 LINES!!! on Sun Aug 29 22:37:45 2010, in response to Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Sun Aug 29 20:10:50 2010.

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Great stuff, Joe!! All about trains and train/transit related stuff, as this site is all about!! No unsuspecting women or little girls/children swinging on poles being photographed by a possible child molester!!

Keep up the good work, Joe!! :-)

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(972937)

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Re: Photos - Dallas Interurban - Part 1

Posted by salaamallah@hotmail.com on Sun Aug 29 22:38:46 2010, in response to Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Sun Aug 29 20:10:50 2010.

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good shooting
excellent

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Re: Photos - Dallas Interurban - Part 1

Posted by Joe Saitta on Sun Aug 29 22:39:38 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Train Man Paul : Metro-North's Best Conductor FOR ALL 3 LINES!!! on Sun Aug 29 22:37:45 2010.

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Thank you, Paul. I sincerely appreciate your comments.

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Re: Photos - Dallas Interurban - Part 1

Posted by Train Man Paul : Metro-North's Best Conductor FOR ALL 3 LINES!!! on Sun Aug 29 22:40:36 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Sun Aug 29 22:39:38 2010.

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Meant every word!! :-)

I got a nice bit of stuff from this weekend, and definitely will be getting it up this week. Tune in for that!! :-)

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Re: Photos - Dallas Interurban - Part 1

Posted by Joe Saitta on Sun Aug 29 22:42:07 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by salaamallah@hotmail.com on Sun Aug 29 22:38:46 2010.

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Thank you again.

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Re: Photos - Dallas Interurban - Part 1

Posted by Joe Saitta on Sun Aug 29 22:59:52 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Train Man Paul : Metro-North's Best Conductor FOR ALL 3 LINES!!! on Sun Aug 29 22:40:36 2010.

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I'm waiting to see your shots!

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Re: Photos - Dallas Interurban - Part 1

Posted by numbersix on Sun Aug 29 23:14:14 2010, in response to Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Sun Aug 29 20:10:50 2010.

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Good photos of a good-looking system.

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Re: Photos - Dallas Interurban - Part 1

Posted by numbersix on Sun Aug 29 23:14:55 2010, in response to Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Sun Aug 29 20:10:50 2010.

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Good photos of a good-looking system.

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Re: Photos - Dallas Interurban - Part 1

Posted by Joe Saitta on Sun Aug 29 23:16:26 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by numbersix on Sun Aug 29 23:14:14 2010.

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Thank you very much.

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Re: Photos - Dallas Interurban - Part 1

Posted by Easy on Sun Aug 29 23:27:39 2010, in response to Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Sun Aug 29 20:10:50 2010.

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Nice. Dallas has one of the nicer looking systems in the country. These newer stations are even nicer than the ones that I saw a few years ago.


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Re: Photos - Dallas Interurban - Part 1

Posted by Joe Saitta on Sun Aug 29 23:31:10 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Easy on Sun Aug 29 23:27:39 2010.

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Thank you. It's a great system. Unfortunately, during the two days I was there, it was hazy, hot and humid - but that's Texas, I guess.

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Re: Photos - Dallas Interurban - Part 1

Posted by Dave on Mon Aug 30 05:42:23 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Sun Aug 29 23:31:10 2010.

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Hot is typical; hazy and humid for North Texas is not. This summer was much more tropical than in year's past.

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Re: Photos - Dallas Interurban - Part 1

Posted by Terrapin Station on Mon Aug 30 06:21:07 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Sun Aug 29 23:31:10 2010.

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And you didn't know how to account for that weather when taking photos. As a result the photos are very poor.

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Re: Photos - Dallas Interurban - Part 1

Posted by North-Easten T/O on Mon Aug 30 08:53:45 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Terrapin Station on Mon Aug 30 06:21:07 2010.

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What is your Fucken problem? Yuor becouming more and more of a Bigger asshole ever day. At this rate you well be able to ride a Mack Track though you by then end of the mouth. Dame give it a fucken rest.

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Re: Photos - Dallas Interurban - Part 1

Posted by Railman718 on Mon Aug 30 09:05:34 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by North-Easten T/O on Mon Aug 30 08:53:45 2010.

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Robert you aren't livid right? He's not worth it.

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Re: Photos - Dallas Interurban - Part 1

Posted by Fulton Frank on Mon Aug 30 09:40:42 2010, in response to Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Sun Aug 29 20:10:50 2010.

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Nice, thanks for posting these. Do you know the operating voltage of the system?

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(973029)

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Re: Photos - Dallas Interurban - Part 1

Posted by Catfish 44 on Mon Aug 30 09:44:33 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Terrapin Station on Mon Aug 30 06:21:07 2010.

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You are going to learn how to address this gentleman in an adult manner. You are not communicating with some little high school kid, have respect for grown men and women on this board. Otherwise buzz off, and keep your limited opinions, ideas, and photography to yourself.

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Re: Photos - Dallas Interurban - Part 1

Posted by Joe Saitta on Mon Aug 30 09:46:00 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Fulton Frank on Mon Aug 30 09:40:42 2010.

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Thank you for your compliment. Not positive about the voltage. I'd like to be able to answer your question, but unfortunately I can't give a correct answer. I'll try to find out, though.

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(973031)

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Re: Photos - Dallas Interurban - Part 1

Posted by Joe Saitta on Mon Aug 30 09:47:25 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Catfish 44 on Mon Aug 30 09:44:33 2010.

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Please contact me by private e-mail: JPSPCC699@Yahoo.com. Thank you.

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(973032)

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Re: Photos - Dallas Interurban - Part 1

Posted by North-Easten T/O on Mon Aug 30 09:52:00 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Railman718 on Mon Aug 30 09:05:34 2010.

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I have a question for you. Does anyone on this board deserves this Asshole, Little mined, Pussy stupid? He a Little Freak of nature who bitter to everyone becouse he a dick and can get anything good for himself, so he tries to bring everyone down becouse he down.

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Re: Photos - Dallas Interurban - Part 1

Posted by Railman718 on Mon Aug 30 10:20:43 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by North-Easten T/O on Mon Aug 30 09:52:00 2010.

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Well they say there is someone out there for each person I suppose.

BTW yeah,i think you are livid.

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Re: Photos - Dallas Interurban - Part 1

Posted by Railman718 on Mon Aug 30 10:28:44 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Catfish 44 on Mon Aug 30 09:44:33 2010.

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Humility is a word that's not in his vocabulary I believe. He will learn it sooner or later one way or the other.

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Re: Photos - Dallas Interurban - Part 1

Posted by Dan Lawrence on Mon Aug 30 11:42:14 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Railman718 on Mon Aug 30 10:28:44 2010.

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If he acts like this in the real world he's bound to have his face rearranged.

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Re: Photos - Dallas Interurban - Part 1

Posted by Dan Lawrence on Mon Aug 30 11:45:09 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Mon Aug 30 09:46:00 2010.

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Probably 750 volts DC. That seems to be the standard for new Light Rail Systems.

Older Light Rail systems that were upgraded from streetcar systems stay with 600 Volts DC

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Re: Photos - Dallas Interurban - Part 1

Posted by Mark S. Feinman on Mon Aug 30 14:15:45 2010, in response to Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Sun Aug 29 20:10:50 2010.

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I really like this one ... it looks almost like a rendering in a "coming soon" brochure ...



--Mark

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Re: Photos - Dallas Interurban - Part 1

Posted by Evan on Mon Aug 30 14:19:17 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Dan Lawrence on Mon Aug 30 11:45:09 2010.

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McKinney Avenue Transit is still on 600VDC, being a heritage operation.

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Re: Photos - Dallas DART - Part 1

Posted by Olog-hai on Mon Aug 30 15:18:18 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Fulton Frank on Mon Aug 30 09:40:42 2010.

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Coulda looked it up. I found this page as the first hit on a Google search.

It's 870V DC, rather unique among US LRT. Substations at 1½- to 1¾-mile intervals is pretty close together, and a lot of them.

What makes it run?

DART's 48-mile light rail system requires about 5 million kilowatt hours per month from the Texas General Land Office and Garland Power & Light to feed into the 39 mainline substations — big boxes measuring 12 feet wide, 40 feet long and 14 feet high located at intervals of 1.5 to 1.75 miles along the line.

Inside the substations, more than 13,000 volts of AC electrical power is converted into 870 volts of DC energy required to run the trains. Two additional substations are located at DART's Service & Inspection Facility. The power distributed from each substation varies, depending on the number of trains in service and operating speed of rail traffic.

DART is unique in having one of the few variable voltage power distribution system in North America. Each substation is polled for energy usage and voltages are varied according to energy used and energy needed. An energy management system logs and predicts the amount of energy needed by the system based on usage history and predicted schedule. The energy management system's main purpose is to reduce energy costs while providing proper energy to the light rail vehicle. Not all substations have to be operational for the light rail system to work. In the event of loss of utility power to a substation, the system is designed to provide enough power to compensate.

Substation power flows into catenary lines hanging 20 feet above the tracks. "Catenary" is actually a geometric term that refers to the curve of the heavy top cable that hangs in a scalloped design from pole to pole on hinged cantilevers that extend out to the middle of the tracks. Distances between poles vary between 50 feet on curves and hills to 210 feet on straight stretches of track. The shorter the curve or the steeper the hill, the closer together the poles must be to maintain proper alignment between the contact wire and the track.

Thinner contact wire is stretched taut between one and four feet below the curved catenary wire and is connected to the cable above by hangers placed 20 to 25 feet apart, again depending on the length of the span between poles. On the top of each rail car is a "pantograph" — a bar 78 inches wide with a carbon insert for conducting electricity. The pantograph picks up power from the contact wire as it moves along the track, and feeds it into the four 175-horsepower electric motors that drive the train. Each light rail car weighs 107,000 pounds and carries 160 passengers.


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Re: Photos - Dallas DART - Part 1

Posted by Olog-hai on Mon Aug 30 15:19:46 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Mon Aug 30 09:46:00 2010.

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That's what you have search engines for. According to the official page (easy enough to find), it's 870 volts DC.

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Re: Photos - Dallas Interurban - Part 1

Posted by Joe Saitta on Mon Aug 30 20:10:19 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Mark S. Feinman on Mon Aug 30 14:15:45 2010.

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Thank you Mark.

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Re: Photos - Dallas Interurban - Part 1

Posted by eyedoctor on Mon Aug 30 21:21:44 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Sun Aug 29 21:01:47 2010.

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Do you reside in Texas?

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Re: Photos - Dallas Interurban - Part 1

Posted by Joe Saitta on Mon Aug 30 21:27:09 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by eyedoctor on Mon Aug 30 21:21:44 2010.

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Not at the moment. May I ask why that question please?.

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Re: Photos - Dallas Interurban - Part 1

Posted by Easy on Mon Aug 30 21:29:20 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Mon Aug 30 21:27:09 2010.

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Dunno, but it seemed like a reasonable question to me.

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Re: Photos - Dallas Interurban - Part 1

Posted by Joe Saitta on Mon Aug 30 21:32:42 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Easy on Mon Aug 30 21:29:20 2010.

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It is a reasonable question but I was just curious why he had asked it.

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Re: Photos - Dallas Interurban - Part 1

Posted by Easy on Mon Aug 30 22:06:30 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Mon Aug 30 21:32:42 2010.

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My guess is that it was because you posted these sets of Dallas pics and then said that you would be there for the opening of the new line. It just made him curious as to whether or not you lived in Dallas. Or I could be completely wrong...

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Re: Photos - Dallas Interurban - Part 1

Posted by Dave on Tue Aug 31 11:47:30 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Easy on Mon Aug 30 22:06:30 2010.

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I live in Ft. Worth. Won't be there for the opening of the new line, though. Will still try to get some pictures,

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Re: Photos - Dallas Interurban - Part 1

Posted by Dave on Tue Aug 31 12:00:29 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Joe Saitta on Mon Aug 30 20:10:19 2010.

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Joe, please let me know that next time you're in Dallas. I'll take the TRE over and we can railfan together.

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Re: Photos - Dallas Interurban - Part 1

Posted by Joe Saitta on Tue Aug 31 12:08:18 2010, in response to Re: Photos - Dallas Interurban - Part 1, posted by Dave on Tue Aug 31 12:00:29 2010.

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Ok. Thank you.

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Re: Photos - Dallas DART - Part 1

Posted by Chris R16/R2730 on Tue Aug 31 12:13:43 2010, in response to Re: Photos - Dallas DART - Part 1, posted by Olog-hai on Mon Aug 30 15:19:46 2010.

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DART is unique in having one of the few variable voltage power distribution system in North America. Each substation is polled for energy usage and voltages are varied according to energy used and energy needed. An energy management system logs and predicts the amount of energy needed by the system based on usage history and predicted schedule. The energy management system's main purpose is to reduce energy costs while providing proper energy to the light rail vehicle. Not all substations have to be operational for the light rail system to work. In the event of loss of utility power to a substation, the system is designed to provide enough power to compensate.

Very interesting. A section of catenary is only energized when a train is in it.

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Re: Photos - Dallas DART - Part 1

Posted by Easy on Tue Aug 31 14:44:30 2010, in response to Re: Photos - Dallas DART - Part 1, posted by Chris R16/R2730 on Tue Aug 31 12:13:43 2010.

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Very interesting. A section of catenary is only energized when a train is in it.

I don't know that I would go that far. I think that they just mean that they distribute more power to busy sections rather than have everything constant.

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Re: Photos - Dallas DART - Part 1

Posted by Easy on Tue Aug 31 14:48:21 2010, in response to Re: Photos - Dallas DART - Part 1, posted by Olog-hai on Mon Aug 30 15:18:18 2010.

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Substations at 1½- to 1¾-mile intervals is pretty close together, and a lot of them.

It seems like a standard distance. The blue line in LA has 20 substations on a 22 mile long line. Basically one per station. I don't think that it could run 3-car trains every 5-6 minutes with any less.

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