Author Topic: Weekend Update 11/14/21  (Read 3533 times)

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peteski

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Re: Weekend Update 11/14/21
« Reply #30 on: November 15, 2021, 01:09:53 AM »
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I played hvac tech this morning, out with the old undersized main trunk, and in with the new correctly sized main truck, and most importantly the supply line for the bedroom in the new addition.  1 more step to final inspections !


I'm not a HVAC guy, but assuming that the old trunk is the one on top of the photo, with some leftover glue on it, judging by its width it looks oversized, not undersized. Or is it not as deep as the new trunk?  The photo does not really show the depth.

BTW, those are some nice N scale brass engines you will be selling.
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mu26aeh

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Re: Weekend Update 11/14/21
« Reply #31 on: November 15, 2021, 01:15:16 AM »
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The trunk went from a 8x14 to a 8x8, with 3 rooms being fed after the reduction.  Rooms were always colder in the winter and somewhat stuffy in the summer.  When I reattached the supply lines to the new trunk, I was able to stretch the inner flex anywhere from 6-12" in each line.  If the flex duct is not stretched probably, this creates added resistance and basically takes a 6 or 7" line down to a 4.  I can already tell a difference in air flow in the affected rooms

peteski

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Re: Weekend Update 11/14/21
« Reply #32 on: November 15, 2021, 01:20:43 AM »
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The trunk went from a 8x14 to a 8x8, with 3 rooms being fed after the reduction.  Rooms were always colder in the winter and somewhat stuffy in the summer.  When I reattached the supply lines to the new trunk, I was able to stretch the inner flex anywhere from 6-12" in each line.  If the flex duct is not stretched probably, this creates added resistance and basically takes a 6 or 7" line down to a 4.  I can already tell a difference in air flow in the affected rooms

I guess it shows that I'm not a HVAC guy.  I would have thought that a 8x14 trunk would be able to handle larger volume of air than a 8x8  trunk.  But I really don't know what I'm talking about, and this is getting way OT, even for TRW.  The bottom line is that whatever you did improved things. Cool (or warm)!   :)
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Point353

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Re: Weekend Update 11/14/21
« Reply #33 on: November 15, 2021, 05:09:52 AM »
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Then worked my shift at Mainline, and seen these get brought in for consignment.  Even though I don't model the steam era or UP/SP, I still had to ponder owning something like these.


Maybe @robert3985 would be interested in those two UP locos?

Ed Kapuscinski

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Re: Weekend Update 11/14/21
« Reply #34 on: November 15, 2021, 10:23:58 AM »
+1
Terrifyingly they let @chicken45 wander around the streets of Pittsburgh. Luckily he was being supervised.

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So that's been MY weekend.

Dave V

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Re: Weekend Update 11/14/21
« Reply #35 on: November 15, 2021, 11:16:19 AM »
+4
Late entry for me:


Point353

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Re: Weekend Update 11/14/21
« Reply #36 on: November 15, 2021, 11:16:54 AM »
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Terrifyingly they let @chicken45 wander around the streets of Pittsburgh. Luckily he was being supervised.

(Attachment Link)

So that's been MY weekend.
Did you go to Esther's hobby shop and Primanti Bros.?

propmeup1

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Re: Weekend Update 11/14/21
« Reply #37 on: November 15, 2021, 03:37:51 PM »
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Do they allow that type of music in Mexico ? :scared:
Nice job on your resin tender.

Ed Kapuscinski

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Re: Weekend Update 11/14/21
« Reply #38 on: November 15, 2021, 06:02:24 PM »
+2
Did you go to Esther's hobby shop and Primanti Bros.?

No Esthers. I wasn't there for one of the two hours they seem to be open.

And no Primanti's either. After giving them numerous chances I have realized I just don't get it.

Instead we went to Salem Market where everything looked amazing.
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Today I did have what I've been told is an institution, a gyro from Mike and Tony's.

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All told, Pittsburgh continues to charm me out of my birthright beef with it.

peteski

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Re: Weekend Update 11/14/21
« Reply #39 on: November 15, 2021, 08:46:43 PM »
+2
I get my Gyros at the Gyro Spot in Manchester, NH. Originally they were called G-Spot, but that name didn't last long.
Those Gyros have fresh cut fries wrapped inside them.  Now my mouth is watering!

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nkalanaga

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Re: Weekend Update 11/14/21
« Reply #40 on: November 16, 2021, 01:53:28 AM »
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Peteski:  I think what he's saying isn't actually that the main trunk was undersized, but that the side ducts to the individual rooms were, due to being made from "flex", whatever that means in this case.  I assume it's something similar to dryer vent hose.

By using a smaller main duct, he could stretch the "flex", which apparently contracts in length by folding internally, so that the inside diameter of the "flex" is larger.  That way the rooms get more air.
N Kalanaga
Be well

peteski

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Re: Weekend Update 11/14/21
« Reply #41 on: November 16, 2021, 02:25:58 AM »
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Peteski:  I think what he's saying isn't actually that the main trunk was undersized, but that the side ducts to the individual rooms were, due to being made from "flex", whatever that means in this case.  I assume it's something similar to dryer vent hose.

By using a smaller main duct, he could stretch the "flex", which apparently contracts in length by folding internally, so that the inside diameter of the "flex" is larger.  That way the rooms get more air.

Thanks! Sounds reasonable.
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mu26aeh

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Re: Weekend Update 11/14/21
« Reply #42 on: November 16, 2021, 04:59:18 AM »
+1
More than anyone needs to know about flexible ductwork...

https://www.nciblog.com/installing-flex-ducts/

Mike C

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Re: Weekend Update 11/14/21
« Reply #43 on: November 16, 2021, 06:16:56 PM »
+9
I get my Gyros at the Gyro Spot in Manchester, NH. Originally they were called G-Spot, but that name didn't last long.
Those Gyros have fresh cut fries wrapped inside them.  Now my mouth is watering!


Changed the name because most men couldn't find it .........

peteski

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Re: Weekend Update 11/14/21
« Reply #44 on: November 16, 2021, 06:27:35 PM »
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Changed the name because most men couldn't find it .........

 :D
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