UnitedI1 < MRR

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United Scale Models / Pacific Fast Mail PFM, '1971-run

[[https://www.brasstrains.com/BrassGuide/Pdg/Detail/24177/HO-Steam-Pacific-Fast-Mail-P-Pennsylvania-Railroad-2-10-0-I-1-S-DECAPOD][Brass Guide]]

%IMAGE{"%PUBURLPATH%/MRR/UnitedI1/I1s-open-frame.jpg" type="thumb" caption="Original open frame motor. It draws about 500 mA on the test stand. Reduction gear 1:28, 45x20x16 mm open frame motor"}%


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%IMAGE{"%PUBURLPATH%/MRR/UnitedI1/PRR_I1s_4300.jpg" type="thumb" caption="RR I1s #4300 in its Baldwin Locomotive Works builders' photo, taken in 1922"}%

[[https://en.wikipedia.org/wiki/Pennsylvania_Railroad_class_I1s][Wikipedia I1s]]: Their power was undeniable, but they were not popular with the crews, for they were hard riding at all but low speeds. One author described them as the holy terror of the PRR. 

[[http://www.rgusrail.com/nyprr4483.html][#4483]] is stored at the Western New York Railroad Historical Society’s work site in Hamburg, NY.

Steam Locomotive Ultra-Detailing in “O” Scale…PRR I1sa #4390 http://mattforsyth.com/?p=330

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---+ Coreless DC Motor 

I replaced the open frame motor with a coreless DC motor [[CorelessMotor#A_max_22_6_Watt_8_W][Maxon A-max 22 12V/6W]].


%IMAGE{"%PUBURLPATH%/MRR/UnitedI1/I1s-maxon-110147.jpg" type="thumb" caption="Coreless DC motor (Maxon A-max22 12V/6W). Motor starts at about 1 V and draws 110 mA on the test stand. "}%


---++ Shafts, U-Joints, and Gearbox from NWSL

   * 492-6 U-Joint, 2 mm shaft
   * 1150-6 Ball-Bearing 0.3 mod 36-1 IDLER Gearbox 3 mm axle, 2 mm shaft

You can get it from [[https://www.oldpullman.ch/motoren/][Old Pullman]] or direct from [[https://nwsl.com/][NorthWest Short Line]].


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---+ Roller Test Stand Videos


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---+ Decoder Installation

---++ BOM

   * TSU-2200 Steam-2 (2 Amp) Tsunami2 Decoder - Steam, [[https://soundtraxx.com/products/tsunami2-digital-sound-decoders/tsu-2200/][SoundTraxx #884007]]
   * !CurrentKeeper [[https://soundtraxx.com/accessories/installation-accessories/dcc-accessories/][SoundTraxx #810140]]
   * 28mm x 40mm Oval Speaker Gasket Kit, [[https://soundtraxx.com/accessories/speaker-gaskets/][SoundTraxx #810139]]
   * Medium Oval Speaker, [[https://soundtraxx.com/accessories/speakers/oval-speakers/][SoundTraxx #810078]]
   * Pin Header 2.54 mm (1/10") 3x2
   * Pin Socket 2.54 mm (1/10") 3x2
   * 2 PCS LED white for headlight and backup light e.g. PLCC2 
   * LED red for ashpan e.g. PLCC2 !VLMS30J1K2-GS08 
   * LED yellow for ashpan e.g. PLCC2 VLMY3000-GS08 
   * 3 PCS SMD Resistor 1 kOhm 1206
   * PC-Board ROTH Elektronik RE 437 
   * Magnet Wire e.g. 30 AWG from Spark Fun
   * Mounting Tape [[https://www.tesa.com/de-ch/buero-und-zuhause/tesa-powerbond-outdoor.html][Tesa 55750]] (55740)
   * Clear 5 Min Epoxy for potting the headlight LED
   * Locomotive drawbar 15 x 8 x 0.5 mm, tender drawbar 10 x 8 x 0.5 mm (brass sheet)

---++ Docs
Soundtraxx Tsunami2 TSU-2200

   * [[https://soundtraxx.com/content/Reference/Manuals/Tsunami2/Installation-Guide.pdf][Installation Guide]]
   * [[https://soundtraxx.com/content/Reference/Manuals/Tsunami2/tsu2_electric_usersguide.pdf][Electric User’s Guide]]
   * [[https://soundtraxx.com/content/Reference/Manuals/Tsunami2/tsu2_steam_usersguide.pdf][Steam User's  Guide]]
   * [[https://soundtraxx.com/content/Reference/Manuals/Tsunami2/tsu2_steam_technical_ref.pdf][Steam Technical Reference]] (CV codes)
   * [[https://soundtraxx.com/content/Reference/Manuals/Tsunami2/Steam-2_Sound_Selections.pdf][Sound Selections for Tsunami2 for Steam Prototyps]]

   * [[https://www.nmra.org/sites/default/files/standards/sandrp/pdf/s-9.1.1_connectors_2015.05.22.pdf][Electrical Interface & Wire Color Code for Digital Command Control]] 
   * [[https://dccwiki.com/Energy_Storage][Energy Storage]]
   * [[http://www.digitrax.com/static/apps/products/starter-sets/dcs51/documents/ZephyrXtra.pdf][Digitrax Zephyr xtra Set Manual]]

---++ Wiring
---+++Locomotive
| *Color* | *NMRA JST Pin#* | *Loco Header Pin#*  | *Function*                             |
| Red     | 8               | 1                   | Right Rail Pickup                      |
| Orange  | 7               | 2                   | Motor(+)                               |
| Gray    | 3               | 3                   | Motor (-)                              |
| White   | 5               | 4                   | Headlight                              |
| Green   | 9               | 5                   | FX3 (Ashpan Flicker CV 51: 23+128=151, F24) |
| Blue    | 6               | 6                   | Function Common (+12V)                 |


---+++ Tender
| *Color* | *NMRA JST Pin#* | *Function*                               |
| Black   | 2               | Left Rail Pickup                         |
| Yellow  | 4               | Backup Light                             |
| Blue    | 6               | Function Common (+12V)                   |
| Purple  | -               | Speaker (+)                              |
| Purple  | -               | Speaker (-)                              |
| Blue    | -               | Current Keeper [Function Common (+12V)?] |
| Black   | -               | Current Keeper [Ground?]                 |


Spare
| *Color*     | *NMRA JST Pin#* | *Function*                               |
| Brown       | 1               | FX4                                      |
| Green/White | -               | FX5                                      |
| Brown/White | -               | FX6                                      |



---++ Sound Configuration
| *Function*                 | *CV*  | *Value*   | *Type*                              |
| Sound Configuration 1      | 112   | 11        |                                     |
| Fuel Type                  |       | +1+2, 3   | Coal Stoker                         |
| Injector                   |       | +4, 0     | Non-lifting                         |
| Power reverser             |       | +8, 8     | enabled                             |
| 3-cylinder exhaust         |       | +16, 0    | disabled                            |
| Articulated wheel-slip     |       | +32+64, 0 | disabled                            |
| Articulated exhaust        |       | +128, 0   | disabled                            |
| Engine Exhaust Control     | 114   | 58        | faster, for 4 chuffs per revolution |
| Whistle                    | 120   | 42        | PRR Round Top 3-Chime               |
| Bell                       | 122   | 27        | Heavy Brass (3)                     |
| Exhaust Chuffs             | 123   | 6         | Heavy (1)                           |
| Airpump                    | 124   | 8         | Dual Cross-Compound                 |
| Dynamo                     | 125   | 2         | (default, dynamo 3)                 | 
| Coupler Select             | 126   | 128+1=129 | Heavy Coupler F13                   |

---++ Light Configuration
| *Function*                 | *CV*  | *Value*   | *Type*                              |
| Forward Direction Enable   | 57    | 1+4=5     | Headlight Forward & FX3 Enable      |
| Reverse Direction Enable   | 58    | 2+4=6     | Backup Light Reverse & FX3 Enable   |
| Hyperlight Effect Select   | 49    | 15+128=143| Headlight Dyno-light & LED          |
| Hyperlight Effect Select   | 50    | 15+128=143| Backup Light Dyno-light & LED       |
| Ashpan Flicker             | 51    | 23+128=151| FX3,LED F24                         |


---++ Motor Configuration

| *Function*                 | *CV*  | *Value*  | *Type*                       |
| Low-Speed Compensation     | 211   | 150 ?    |                              |

---++ Headlight

   * Cal Scale HO PRR Headlight #190-477
   * Cal Scale HO Headlight PRR Modern #190-235
   * Cal Scale HO PRR Headlight Bracket #190-478

---++ Cab Details
   * Throttle
      * PSC Oversize #3058 
   * Reverse Lever
      * PSC #3260
   * Gauges
      * PCS Dual #3226
      * PCS 4 gauges #3071
   * Brake Control
      * PSC Westinghouse H-6 #3044
   * Stoker
      * PSC Duplex type #3059
   * Seats
      * PSC #3046
   * Valve Control
      * PSC #4884

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---+ Finished Model
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-- %USERSIG{PeterSchmid - 2019-07-08}%

[[mailto:peter@prsl.ch][<img src="%PUBURLPATH%/MRR/WebHome/pine-river-freight-office-small.png" />]]

<a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-sa/4.0/88x31.png" /></a><br />This work by <a xmlns:cc="http://creativecommons.org/ns#" href="http://spyr.ch" property="cc:attributionName" rel="cc:attributionURL">Peter Schmid</a> is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">Creative Commons Attribution-ShareAlike 4.0 International License</a>.
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Topic attachments
I	Attachment	History	Action	Size	Date	Who
jpg	I1-header.jpg	r1	manage	76.5 K	2022-12-21 - 12:39	PeterSchmid
jpg	I1s-maxon-110147.jpg	r1	manage	537.4 K	2020-12-06 - 17:56	PeterSchmid
jpg	I1s-open-frame.jpg	r1	manage	133.6 K	2019-07-09 - 18:33	PeterSchmid
jpg	PRR_I1s_4300.jpg	r1	manage	35.0 K	2019-07-09 - 18:45	PeterSchmid
Topic revision: r13 - 2022-12-22 - PeterSchmid