Difference: UnitedI1 (1 vs. 2)

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Original Olympia Model

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United Scale Models / Pacific Fast Mail PFM #118, '1971-run

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

Brass Guide

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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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Original open frame motor. It draws about 500 mA on the test stand. Reduction gear 1:28, 45x20x16 mm open frame motor

Prototype

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Wikipedia I1s

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RR I1s #4300 in its Baldwin Locomotive Works builders' photo, taken in 1922

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.

Contents

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This work by Peter Schmid is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

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META FILEATTACHMENT	attachment="PRR_I1s_4300.jpg" attr="" comment="" date="1562697928" name="PRR_I1s_4300.jpg" path="PRR_I1s_4300.jpg" size="35841" user="PeterSchmid" version="1"

Revision 12019-07-08 - PeterSchmid

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Remotoring United PRR I1s 2-10-0 Decapod

Original Olympia Model

United Scale Models / Pacific Fast Mail PFM #118, '1971-run

Brass Guide

Original open frame motor. It draws about 500 mA on the test stand. Reduction gear 1:28, 45x20x16 mm open frame motor

Prototype

Wikipedia I1s

Contents

Coreless DC Motor

Shafts and U-Joints from NWSL

2015-4 1.5 mm shaft
2024-4 2.4 mm shaft
483-6 U-Joint

You can get it from Old Pullman or direct from NorthWest Short Line.

483-6 U-Joint

Roller Test Stand Videos

Decoder Installation

BOM

TSU-2200 Steam-2 (2 Amp) Tsunami2 Decoder - Steam, SoundTraxx #884007
28mm x 40mm Oval Speaker Gasket Kit, SoundTraxx #810139
Medium Oval Speaker, SoundTraxx #810078
Pin Header 2.54 mm (1/10") 3x2
Pin Socket 2.54 mm (1/10") 3x2

Docs

Soundtraxx Tsunami2 TSU-2200

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	8	(default)
Fuel Type		+1+2, 0	Hand-shoveled Coal
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	90	faster, for 4 chuffs per revolution
Whistle	120	42	PRR Round Top 3-Chime
Bell	122	15	Medium Brass 2
Exhaust Chuffs	123	4	(default, Medium 2)
Airpump	124	3	(default, cross compound 2)
Dynamo	125	2	(default, dynamo 3)
Coupler Select	126
Poppet Valve Release Rate	200

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

Finished Model

-- Peter Schmid - 2019-07-08

This work by Peter Schmid is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

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