The Train Thread 2

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Message 1994301 - Posted: 19 May 2019, 6:44:17 UTC - in response to Message 1994205.  

Now if one wants a fast and powerful steam loco, look no farther than the PRR T1 4-4-4-4 Duplex.

6,550hp and it seems a max speed reportedly of 140mph.
A replica #5550 is currently being constructed.

https://en.wikipedia.org/wiki/Pennsylvania_Railroad_5550

It will use Coal as originally designed, PRR Class T1 4-4-4-4 Steam Locomotive #5550 being built with the aim of crushing the record for the fastest Steam Passenger Train in the world, which is currently being held by the Mallard in the UK at 125.88mph, the Class T1 is reported as being able to run at 140mph. Most of the PRR is within the Norfolk Southern railroad.
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Message 1994302 - Posted: 19 May 2019, 6:54:39 UTC

I do hope they manage to find a suitable stretch of track to do these trials on, as just now the US has no "proper" high speed lines where such trials could take place.
Having been involved in the current "steel on steel" record (AGV at 544kph) I know how much work is involved in the preparation and running of them, these days it's not just a case of getting out there and "opening the taps wide and see how fast she will go" as the authorities have placed all sorts of obstacles in the way :-(
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Message 1994305 - Posted: 19 May 2019, 7:15:46 UTC

From what I read a lot of good changes have happened since the T1 locos ran back in 1948, the PRR was located in what is now the Norfolk Southern territory which used to be Conrail.Here's a link
Both the Mallard and the T1 use 80 inch drive wheels, I really wish them good luck in this endeavor as they are according to the website 32.8% complete.
The original budget was $10 Million, thanks to the Tender that was reduced to $7 Million.
Here's a link showing their progress to date:
https://prrt1steamlocomotivetrust.org/

The goal is simple; to provide mainline steam excursion service, and to set the World Speed Record for a steam locomotive.

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Message 1994310 - Posted: 19 May 2019, 8:39:40 UTC

Lots can happen, however as far as I remember Norfolk and Southern have withdrawn support for steam excursions.

Still as it is at least 11 years away I have to wonder if I personally will ever see it run.
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Message 1994320 - Posted: 19 May 2019, 12:30:27 UTC

This is very sad and makes me wonder just what satisfaction, they got out of it.

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Message 1994338 - Posted: 19 May 2019, 16:07:41 UTC - in response to Message 1994310.  

Lots can happen, however as far as I remember Norfolk and Southern have withdrawn support for steam excursions.

Still as it is at least 11 years away I have to wonder if I personally will ever see it run.

Who knows. Still it's at least not the previous PRR S1 Class 6-4-4-6 which could only run on one stretch of the PRR, the S1 Class consisted of one locomotive with 84 inch drive wheels. Operating speed 120mph, claimed top speed of 133.4mph.
The first PRR duplex was the single experimental S1 #6100 of 1939. It was powerful and managed to reach 100.97 miles per hour (162.50 km/h) on level track with 1350 tons passenger stock behind her. Its performance encouraged the PRR continued to develop duplex steam locomotives. The S1 was built unnecessarily large for her exhibition at the 1939 New York World's Fair until October 1940, therefore its turning radius prohibited it from operating over most of the PRR network. The 6-4-4-6 design reduced driving set traction to the point that it was especially prone to wheel slip[citation needed], thus only one Class S1 was built.



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Message 1995273 - Posted: 25 May 2019, 23:09:57 UTC

My N scale electronic billboard project is completed. It uses an Arduino Nano with a real-time clock and temp sensor, and the billboard frame was designed by me and printed on the 3D printer. I hope you enjoy!

You can see a video of it here -

https://youtu.be/Zn5LW31gPDs






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Message 1995275 - Posted: 25 May 2019, 23:13:57 UTC

It looks great HAL.

Cheers.
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Message 1995284 - Posted: 25 May 2019, 23:46:34 UTC

Very impressive.
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Message 1995290 - Posted: 26 May 2019, 0:09:42 UTC

Great Hal. Now that you have it going, what is the RAC going to be? :)
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Message 1995294 - Posted: 26 May 2019, 0:29:08 UTC - in response to Message 1995290.  

Thanks guys!

Great Hal. Now that you have it going, what is the RAC going to be? :)


Not very much. :-)

However, I now think I should have put the Seti@Home Logo in the sequence!
I'm putting myself to the fullest possible use, which is all, I think, that any conscious entity can ever hope to do.
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Message boards : Cafe SETI : The Train Thread 2


 
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