Feb 2 2006 HO Scale Atlas Releases For February

    Feb 4 2006 HO Scale Walthers Proto 2000 Announcements

    Feb 24 2006 HO Scale Atlas Car Sale Part I

    Feb 6 2006 Re Caboose New Releases

    Feb 7th 2006 New HO Intermountain Feb 2006 Releases

    Feb 7th 2006 Future HO Intermountain 2006 Release

    Feb 22 2006 HO Scale Proto Products Sale

    Feb 8th 2006 IMRC New HO Updated Production Dates

    Feb 9th 2006 - Broadway Ltd AC6000 2nd Release

    Feb 10 2006 HO Scale Athearn Releases

    Feb 14 2006 HO Scale Walthers Building Kit Sale

    Feb 13 2006 HO Scale Kadee Cars

    Feb 18 2006 - Just Arrived New Custom Painted Loco's

    Feb 19 2006 News from Walthers HO Scale

    Feb 28 2006 Rapido Passenger Cars

    March 1 2006 HO Scale Atlas Car Sale Part II

    March 1 2006 HO Scale Atlas Engine Sale

    March 4 2006 HO Scale Athearn March Releases

    Mar 7th 2006 New HO Intermountain March 2006 Releases

    Mar 7th 2006 Updated HO Intermountain 2006 Production Dates

    March 11th 2006 Future HO Intermountain 2006 Release

    Mar 13 2006 Roundhouse Milk Cars

    March 13 2006 - HO Intermountain AC-12 4-8-8-2 Southern Pacific

    March 16 2006 CP Poster Book

    March 14th 2006 - Just Arrived New HO Custom Painted Locomotives

    March 16 2005 Kadee Release

    Mar 25 2006 Hobbycrft Gond Pictures

    March 27 2006 HO Scale Athearn Genesis Announcements

    March 27 2006 HO Scale Athearn Announcements--Engines

    March 27 2006 HO Scale Athearn Announcements-- Cars

    March 27 2006 HO Scale Athearn Announcements-- Tractors Trailers &c

    March 29 2006 HO Scale General Motors Engines--Books

    March 30th 2006 Atlas Dash-840B Sale

    April 4 2006 HO Scale Proto 2000 -- Sale

    April 4 2006 Atlas News

    April 10 2006 HO Scale Kits For Canadians

    April 7 2006 Signals NJ International

    April 8th 2006 New HO Intermountain April 2006 Releases

    April 8th 2006 Future HO Intermountain 2006 Release

    April 14 2006 New PWRS BNSF BN CN DRG Cars

    April 15 2006 HO Scale Red Caboose -- Sale

    April 19 2006 HO Scale Lionel Sale

    April 18 2006 HO Scale Kadee New Announcements

    April 18 2006 H&D 40 Boxcar Review

    April_20_2006_HO_Scale_Athearn_Announcements_- Boxcars

    April_20_2006_HO_Scale_Athearn_Announcements_- Hoppers

    April_20_2006_HO_Scale_Athearn_Announcements_- Trains & Trucks & Cranes & Reefers

    April_20_2006_HO_Scale_Athearn_Genesis Announcements_- Engines

    April 20 2006 HO Scale Athearn Engines

    April 21 2006 Atlas HO Signals

    May 1 2006 HO Scale Walthers Sale Part I

    April 28 2006 Athearn HO Scale Update

    May 1 2006 Walthers Wire

    May 8 2006 HO Scale Walthers Sale -- Cars -- Part II

    May 5 2006 HO Scale Atlas HO May Release

    May 5th 2006 Future HO Intermountain 2006 Release

    May 9 2006 HO scale Walthers Sale -- Cars -- Part III

    May 9 2006 HO Scale Kanamodel Kits for Canadian Roads

    May 9 2006 HO Scale Branchline Ready to Roll

    May 7 2006 Walthers GP30 High Hood Engines

    May 8 2006 HO Scale Walthers Proto 2000 GP20

    May 8th 2006 New HO Intermountain May 2006 Releases

    May 8th 2006 Updated HO Intermountain 2006 Production Dates

    May 9 2006 Custom Painted Engines

    May 12 2006 Precision Craft Models Passengers cars

    May 12 2006 Intermoutian Spring Clearence Sale

    May 15 2006 Walthers Weekly Wire

    May 19 2006 HO Scale Athearn Announcements for May

    May 31 2006 HO Scale Athearn Announcements for May Part II

    June 2 2006 Walthers Steam Engines Locos

    June 2 2006 Walthers Diesels Engines

    June 3 2006 Walthers Buildings & Access

    June 3 2006 Atlas Announcements

    June 4 2006 Intermountain June Releases

    June 4 2006 June Future Announcements from IMRC

    June 5 2006 Atlas Trainman Announcements

    June 12 2006 Future Red Caboose Announcements

    June 12 2006 Kadee June announcements

    June 13 2006 New CP Rail Cabooses from H&D

    June 16 2006 HO Scale Athearn June Announcements--Engines

    June 16 2006 HO Scale Athearn June Announcements--Cars Part I

    June 16 2006 HO Scale Athearn June Announcements -- Cars Part II

    June 20 2006 HO Scale More Athearn Announcements

    June 23 2006 HO Scale New Books for CN

    June 29 2006 HO Scale Atlas July Releases

    July 1 2006 Trainman (Atlas) announcements

    July 2 2006 Tower55 News

    July 2 2006 Precision Master Craft Announcements

    July 3 2006 Precision Craft Models Steam Announcements

    July 7 2006 HO Scale Rapido LRC Locomotive and Coaches

    July 7 2006 New Info On Precision Craft Models Y6b 2-8-8-2

    July 8 2006 HO Scale New Intermountain Releases

    July 9 2006 Atlas August Annoucements

    July 10 2006 HO Scale Great Northern Empire Builder

    July 10 2006 HO Scale Athearn July Announcements--Engines

    July 10 2006 HO Scale Athearn July Announcements--Part II

    July 10 2006 HO Scale Athearn July Announcements--Part III

    July 12 2006 Con-Cor HO AeroTrain

    July 13 2006 Walthers 2007 HO Catal

    July 14 2006 HO Scale Kadee July Product Releases

    July 20 2006 HO Scale New Manufacturer & New Product

    Aug 5 2006 HO Scale Sale on Certain Walthers Products

    July 26 2006 BC Rail Passenger Car Special Run

    July 30 2006 Rapido Trains Announcements

    August 2 2006 HO Scale Athearn M&St.L Announcement

    Aug 3 2006 Custom Painted Engines

    Aug 4 2006 Additional info re Royal Hudson Cars

    August 7 2006 HO Scale Intermountain August Releases

    August 9 2006 HO Scale Atlas August Releases

    August 15 2006 HO Scale August Releases By Kadee

    August 16 2006 HO Scale Intermountain's New Gondola

    Aug 17 2006 HO Scale Athearn August Announcements

    August 17 2006 HO Scale Athearn August Announcements--Part II

    Aug 17 2006 HO Scale Athearn August Announcements--Part III

    Aug 18 2006 BCR Rapido Car Artwork

    Aug 19th 2006 Atlas Alaska RR GP38 renumber

    August 21 2006 HO Scale New Books Available

    Aug 22 2006 Hubert Scale Models BNSF Coal

    Aug 23 2006 HO Scale Columbus Trainmaster Loads

    Aug 29 2006 New Overland Brass Releases

    Aug 31 2006 Custom Painted Engines

    Sept 1 2006 Atlas September releases

    Sept 6 06 HO Scale Intermountain September Announcements

    Sept 10 2006 Overland releases part 2

    Sept 10 2006 Overland Releases part III

    Sept 12 2006 HO Scale Kadee September Releases

    Sept 13 2006 Custom Painted Engine

    Sept 14 2006 Sept Athearn Announcements

    Sept 14 2006 True Line C Liners USA Roads

    September 15 2006 HO Scale Athearn September Announcements--Part 2

    Sept 17th 2006 - Truline Trains CN Cabooses

    September 21 2006 HO Scale Broadway Limited Announcements

    September 21 2006 HO Scale Precision Craft Announcements

    Sept 22 2006 Custom Painted CP United Way Engine

    October 2 2006 HO Scale Hobbycraft Flats & Gondolas On Sale

    October 12 2006 HO Scale Hobbycraft Sale --Part 2

    Sept 30th 2006 Trueline Trains 5 axle C Liners

    Oct 3rd 2006 Digitrak New Decoders

    October 5 2006 HO Scale Kanamodel

    Oct 5 2006 HO Scale Atlas October Announcements

    Oct 9th 2006 - Intermountain New HO Releases

    Oct 11 2006 Intermountain New HO October Release Announcement

    Oct 13 2006 HO Scale Athearn October Announcements --Steam

    Oct 13 2006 HO Scale Athearn October Announcements --Engines

    Oct 13 2006 HO Scale Athearn October Announcements --Vehicles Etc

    Oct 13 2006 HO Scale Athearn October Announcements --Cars

    Oct 15 2006 HO Scale Hobbycraft Sale--Engines

    Oct 16 2006 Red Caboose Announcements

    Oct 17 2006 Walthers Heljin Container Crane

    Oct 18 2006 Athearn SP & UP Steam Engines Coming

    Oct 23 2006 HO Scale Hobbycraft Sale--Engines Part 2

    Oct 30th 2006 - Intermountain Newly updated HO Product Release Date Info

    Nov 1 2006 BC Rail Royal Hudson Cars

    Nov 2 2006 Rapido Trains New Tooling

    Nov 4 2006 Custom Painted Engines

    Nov 6 2006 Intermountain New HO November Release Announcement

    Nov 6 2006 Intermountain Newly updated HO Product Release Date Info

    Nov 6 2006 Intermountain New HO Releases

    Nov 7 2006 HO Scale New Atlas Releases

    Nov 8 2006 HO Scale New Custom Painted Engines

    Nov 14 2006 HO Scale Kadee Sale

    Nov 17 2006 Athearn Genesis F unit with Sound

    Nov 17 2006 HO Scale Athearn November Announcements--Engines

    Nov 17 2006 HO Scale Athearn November Announcements--Genesis

    Nov 17 2006 HO Scale Athearn November Announcements--Rolling Stock 2

    Nov 17 2006 HO Scale Athearn November Announcements--Rolling Stock 1

    Nov 24 2006 HO Scale Kadee Christmas Clearance--Cars Part 2

    Nov 24 2006 HO Scale Bachmann Christmas Clearance--Engines

    Nov 24 2006 HO Scale Rivarossi Engine Christmas Clearance

    Nov 24 2006 HO Scale Stewart Bowser Engine Christmas Clearance

    Nov 24th 2006 Bulkhead Flats True Line Trains

    Nov 26 2006 HO Scale Athearn Car Sale

    Nov 26 2006 HO Scale Athearn Genesis Car Sale

    Dec 4 2006 HO Scale Athearn Genesis Christmas Sale--Cars Part 2

    Nov 30 2006 HO Scale Athearn Christmas Sale - Cars Part 2

    Dec 1 2006 PWRS Run Update Group One

    Dec 1 2006 Atlas Dec Announcenents

    Dec 5 HO Scale Mr. Christmas on Sale

    Dec 5 HO Scale Athearn Christmas Car Sale--Part 3

    Dec 5 HO Scale Red Caboose Christmas Car Sale

    Dec 7 2006 HO True Line Trains Cabooses 2nd batch

    Dec 7 2006 HO Scale Intermountain December Releases

    Dec 7 2006 HO Scale Intermountain Upcoming Product Releases

    Dec 11 2006 HO Scale Athearn Christmas Clearance-Cars Part 4

    Dec 11 2006 HO Scale Athearn Christmas Clearance-Engines

    Dec 11 2006 HO Scale Athearn Genesis Christmas Clearance-Engines

    Dec 9 2006 HO Scale PWRS Christmas Singles Sale

    Dec 9 2006 HO Scale Kato Engine Christmas Clearance--Part 1

    Dec 14 2006 HO Scale Athearn December Announcements - Work Train

    Dec 14 2006 HO Scale Athearn December Announcements

    Dec 14 2006 HO Scale Kato Engine Announcement

    Dec 15 2006 Red Caboose Announcements

    Dec 29 2006 HO Scale Atlas January Releases

    Dec 31 2006 Kato Black River Train Set

    Jan 5 2007 HO Scale Intermountain Product Releases

    Jan 9 2007 BLI 4-6-4 Hudson

    Jan 15 2007 HO Scale Athearn Genesis January Product Announcements

    Jan 16 2007 HO Scale Athearn January Product Announcements--Part 1

    Jan 16 2007 HO Scale Athearn January Product Releases--Part 2

    Jan 16 2007 HO Scale Kadee January Product Releases

    HO BC Rail Passenger Cars are in

    Jan 23 2007 Custom Painted Engines

    Jan 24 2007 BLI SD40-2

    Jan 30 2007 BLI Steam

    Feb 1 2007 Columbus Trainmaster Lumber Loads

    Feb 2 2007 Branchline New Cars

    Feb 05 2007 HO Scale Intermnountain February Releases

    Feb 8 2007 Division Point North Diesels

    Feb 9 2007 Division Point Steam Locomotives

    Feb 9 2007 Atlas Trainman Release

    Feb 24 2007 HO Scale Athearn R-T-R Release

    Feb 26 2007 New Kadee Releases for February

    Mar 02 Branchline April May Announcements

    Mar 02 2007 HO Kato CTA Bi-Level Coach

    Mar 5 2007 PWRS 2 3 qtr Release Info

    Mar 06 2007 HO Scale New Releases from Intermountain

    Mar 6 2007 Broadway Limited AC6000

    Mar 09 2007 HO Scale Atlas "Trainman" March Announcements

    Mar 09 2007 HO Scale Atlas "Master Line" March Announcements

    Mar 11 2007 Cabuse Mystery Car

    Mar 13 2007 E&N Customer Painted Engine

    Mar 16 2007 HO Scale Athearn March Locomotive Annoucements

    Mar 16 2007 HO Scale Athearn March Intermodal Annoucements

    Mar 16 2007 HO Scale Athearn March Freight Car Annoucements

    Kadee March Announcements

    Mar 28 2007 HO Scale Red Caboose New Announcements

    Mar 28 2007 Columbus trainmaster Loads

    Apr 05 2007 HO Scale New Releases from Atlas Master Series

    Apr 05 2007 HO Scale New Releases from Atlas Trainman Series

    Apr 07 2007 HO Scale New R-T-R Releases from Accurail

    Apr 09 2007 HO Scale New Releases from Intermountain

    Apr 09 2007 HO Scale New Locomotive Releases from Broadway Limited Imports

    Apr 09 2007 HO Scale Broadway Limited SP Daylight Passenger Cars

    Apr 09 2007 HO Scale New Tower 55 GE ES44AC Locomotives Announced

    Apr 10 2007 HO Scale Significant New Athearn SD40-2 Release

    Apr 10 2007 HO Scale New Athearn Genesis F45 & FP45 Release - All New Tooling!

    Apr 10 2007 HO Scale New Athearn Freight Cars and Caboose Release

    Apr 10 2007 HO Scale New Athearn Intemodal Containers and Vehicles Release

    Apr 09 2007 HO Scale Adendum to New Releases from Intermountain

    Apr 16 2007 HO Scale Walthers Freight Car Release

    Apr 16 2007 HO Scale Walthers Passenger Car Release

    April 17 2007 CN 5 Axle C Liner Reprint

    Apr 18 2007 HO Scale Athearn SP "Daylight" Passenger Cars - Preview of Coming Attractions

    April 20th 2007 PWRS Conrail Cars

    Apr 22 2007 HO Scale Walthers-Proto 1000 Freight Cars for April

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    May 1 2007 HO Scale Rapido Passenger Cars - New Paint Schemes

    May 7 207 HO Intermountain Announcements for May

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    May 7 2007 HO Scale Atlas HO "Trainman" May Freight Car Releases

    May 4 2007 HO Scale Intermountain HO May Locomotive and Freight Car Releases

    May 9 2007 HO Scale May Kadee Announcements - New Cars

    May 9 2007 HO Scale May BLI HO Announcements - New Blue Line Locomotives

    May 14 2007 HO Scale Precision Craft UP Big Boy - New Run

    May 18 2007 HO Scale New Athearn Genesis FEF Steam and RTR GP35 Locomotives

    May 18 2007 HO Scale New Athearn R-T-R Freight Cars & Caboose

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    May 18 2007 HO Scale New Athearn Ford Fire and Custom 1955 Trucks

    May 22 2007 New Lumber Loads Columbus Trainmaster

    May 19 2007 HO Scale New C&O and N&W "Blue Line" Steam engines from BLI

    May 25 2007 HO Scale Canadian Slabside Hopper Samples

    May 26 2007 TrueLine Trains 40 CPR Boxcars

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    June 19th 2007 News from Overland

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    June 23rd 2007 Classic Metal Works Vehicles

    June 22 2007 HO Scale New "Blue Line" EMD F7A & F7B and Alco FA & FB Diesels from BLI

Train Addiction Help Line: 1.866.840.7777

Media > News Releases > HO Scale News > July 7 2006 New Info On Precision Craft Models Y6b 2-8-8-2

 

 

Dear HO Customers: Precision Master Craft Models has supplied new information and photo's (or images) for their new Norfolk & Western Y6b 2-8-8-2 locomotives. 

 

 

 

 

 

 

Features:

Beautifully Detailed,
Accurately Modeled Locomotive and Tender Body
Authentic Design,
Paint and Color Schemes
Authentic Sounds with Articulated Chuff (Sound Equipped Units Only) and Prototypical Operation
Many Separately Applied Details Including Brass Bell / Rails
Detailed Backhead
Operating Cab-roof Vents
Constant Intensity Directional Lighting
Firebox Glow
Factory Installed painted Fireman and Engineer Figures
Heavy Weight Pulling Power with Metal Wheel Tire (no traction tires)
Locomotive Composition: Die Cast Metal
Tender Composition: Die Cast Metal
Locomotive Length: 9.8 in
Tender Length: 6.6 in
Total Coupler-to-Coupler Length: 16.2 in
Motor type: 5-Pole Can with Skewed Armature & Dual Fly Wheels
Couplers: (1) Kadee Compatible, (1) Kadee #58
Compatible Tracks: Code 70, 83, 100 Rail
Recommended Minimum Radius: 18 in

"DCC & Sound Upgradeable" Units denoted as DCC & Sound Upgradeable are units that are not sound equipped and function only in DC. Modelers may choose to purchase an optional Sound & DCC upgrade kit, specifically tailored to the prototype which will add DCC and sound functionality. Upgrade kit works only for PCM models with PCM motherboards.

Y6b Sound Notes:

The PCM Y6b sounds were created using the best available sound recordings of the Y6b as a reference. These included recordings from the late Mobile Fidelity's Brad Miller and the Sounds of Steam Series. Since no Y6b is still running, we carefully listened to and digitally analyzed these actual recordings. However, since these recordings don't provide the level of isolation required, they could not be used directly in creating the sounds for the model.


Here is just one example of how these original recordings are used to provide prototypical sounds in our models. The sound of a whistle can change dramatically dependent on several factors including, steam temperature, steam pressure, atmospheric pressure, surrounding terrain, distance the listener is from the whistle, and the engineers ability to play the whistle. We have to take all this into consideration when choosing the prototypical whistle sound for our models. An N&W Hooter whistle used on the Y6s, Y5s, and Class As was digitally recorded at a whistle blow 280 psi steam manifold by our recording engineers using 24 bit digital recorders. When we listened to the original recordings of the Y6B whistle, we noticed a very slight change in the pitch from our new recordings. This can be caused from any of the previous reasons or that a Y6B operated at 300psi and the whistle was blown with superheated steam. In any case, we painstakingly matched the base frequencies and harmonics of our new recordings to the originals. Similar steps are taken to match the sounds of air pumps, bells, injectors, and exhausts to provide the most prototypical sounds available today in a model.


There has been much discussion regarding the Y6B and its ability to switch between simple and compound modes. We spoke with many steam operation experts including Jack Wheelihan to get some answers on how best to configure our model's operation. Mr. Wheelihan fires for the UP steam program on #844 and #3985, the Southern Pacific Daylight #4449, and is the General Manager at Railway Equipment Associates Company. Mr. Wheelihan explained that when in simple mode, the Y6B had a tractive effort of 152,206 lbs and in compound mode it was 126,838 lbs. He says that, contrary to a popular conception, the Y6B most often started in compound mode because the added steam for simple mode required filling the large front cylinders with tremendous amount of high-pressure steam and that would reduce the operating efficiency of the locomotive. This compound mode operation resulted in the steam being exhausted at four times per driver revolution as the high pressure from the rear cylinders was moved to the front cylinders before being sent through the stack. However, when the added tractive effort was required, the engine could use high-pressure steam in all four cylinders resulting in eight exhausts per revolution of the drivers. This simple mode operation usually lasted only for the first few miles per hour of the locomotive and then the locomotive was switched back to compound mode.


We have made this option available in the enhanced sound mode. By pressing F5, the simple mode startup is faithfully reproduced with steam cocks open and the locomotive giving all she has to move the train. This continues until the locomotive exceeds speed step 2.

Finally, there have been discussions as to why our Y6B model appears to get softer in volume at higher speeds instead of louder. As we rode in the cabs of steam engines accelerating and then roaring down the tracks we recorded the engine's exhaust. We immediately noticed that as the chuffs got closer together, the distinctive chuff chuff chuff sound was replaced by a quieter wooshing sound as valves opened and closed too quickly for distinct chuffs to be heard. This makes our model sound very different form our competitors at high speeds. We believe that it is a more prototypical sound.


--------------------------------------------------------------------------------

The Y6b was known as the "workhorse of the N&W." Starting with locomotive number 2120 in 1936, the Y6 class would become the final refinement of the 2-8-8-2 design. The model Y6b would be the epitome of the compound Mallet (Malley) development. With the completion of locomotive number 2200 in 1952, this Y6b would become the last mainline US manufactured steam locomotive produced.

The N&W shops in Roanoke, Virginia gave all "Y" Class engine and tender axles roller bearings and they used the same outside frame lead truck as the Class "A." The trailing truck also was equipped with roller bearings which were fit into an outside frame design. With these improvements the Y6's cost considerably more than their earlier brethren, but just as the maintenance records show these locomotives had a time "available for assignment" rating far superior to any of their predecessors.

The Y6b had a starting "tractive effort" in simple configuration of 152,206 pounds while in the compound mode the "tractive effort" of 126,838 was achieved. These locomotives delivered 5,500 horsepower, a substantial bit of power indeed. The Y6b locomotive engine weight was 582,900 pounds with 522,850 pounds directly on the drivers.

The maximum horsepower was achieved at 25 miles per hour and they were known to reach 50 miles per hour on level portions of track. Good on the road or in the yard, they were very well suited for a wide range of work. They were the mainstay on the Shenandoah, Pocahontas, and Radford divisions for freight operations.

Auxiliary water tenders (Broadway Limited Imports stk#'s 087 and 088) were often seen feeding these locomotives as they labored through the Blue Ridge Mountains.

When the N&W ceased their mainline steam operations in the summer of 1959, 50 of the Y6's were still running out serviceable miles in the coalfields waiting for the final order of diesels to replace them. The last of the Class Y's were retired in the summer of 1960.
Features:

Beautifully Detailed,
Accurately Modeled Locomotive and Tender Body
Authentic Design,
Paint and Color Schemes
Authentic Sounds with Articulated Chuff (Sound Equipped Units Only) and Prototypical Operation
Many Separately Applied Details Including Brass Bell / Rails
Detailed Backhead
Operating Cab-roof Vents
Constant Intensity Directional Lighting
Firebox Glow
Factory Installed painted Fireman and Engineer Figures
Heavy Weight Pulling Power with Metal Wheel Tire (no traction tires)
Locomotive Composition: Die Cast Metal
Tender Composition: Die Cast Metal
Locomotive Length: 9.8 in
Tender Length: 6.6 in
Total Coupler-to-Coupler Length: 16.2 in
Motor type: 5-Pole Can with Skewed Armature & Dual Fly Wheels
Couplers: (1) Kadee Compatible, (1) Kadee #58
Compatible Tracks: Code 70, 83, 100 Rail
Recommended Minimum Radius: 18 in

"DCC & Sound Upgradeable" Units denoted as DCC & Sound Upgradeable are units that are not sound equipped and function only in DC. Modelers may choose to purchase an optional Sound & DCC upgrade kit, specifically tailored to the prototype which will add DCC and sound functionality. Upgrade kit works only for PCM models with PCM motherboards.

Y6b Sound Notes:

The PCM Y6b sounds were created using the best available sound recordings of the Y6b as a reference. These included recordings from the late Mobile Fidelity's Brad Miller and the Sounds of Steam Series. Since no Y6b is still running, we carefully listened to and digitally analyzed these actual recordings. However, since these recordings don't provide the level of isolation required, they could not be used directly in creating the sounds for the model.


Here is just one example of how these original recordings are used to provide prototypical sounds in our models. The sound of a whistle can change dramatically dependent on several factors including, steam temperature, steam pressure, atmospheric pressure, surrounding terrain, distance the listener is from the whistle, and the engineers ability to play the whistle. We have to take all this into consideration when choosing the prototypical whistle sound for our models. An N&W Hooter whistle used on the Y6s, Y5s, and Class As was digitally recorded at a whistle blow 280 psi steam manifold by our recording engineers using 24 bit digital recorders. When we listened to the original recordings of the Y6B whistle, we noticed a very slight change in the pitch from our new recordings. This can be caused from any of the previous reasons or that a Y6B operated at 300psi and the whistle was blown with superheated steam. In any case, we painstakingly matched the base frequencies and harmonics of our new recordings to the originals. Similar steps are taken to match the sounds of air pumps, bells, injectors, and exhausts to provide the most prototypical sounds available today in a model.


There has been much discussion regarding the Y6B and its ability to switch between simple and compound modes. We spoke with many steam operation experts including Jack Wheelihan to get some answers on how best to configure our model's operation. Mr. Wheelihan fires for the UP steam program on #844 and #3985, the Southern Pacific Daylight #4449, and is the General Manager at Railway Equipment Associates Company. Mr. Wheelihan explained that when in simple mode, the Y6B had a tractive effort of 152,206 lbs and in compound mode it was 126,838 lbs. He says that, contrary to a popular conception, the Y6B most often started in compound mode because the added steam for simple mode required filling the large front cylinders with tremendous amount of high-pressure steam and that would reduce the operating efficiency of the locomotive. This compound mode operation resulted in the steam being exhausted at four times per driver revolution as the high pressure from the rear cylinders was moved to the front cylinders before being sent through the stack. However, when the added tractive effort was required, the engine could use high-pressure steam in all four cylinders resulting in eight exhausts per revolution of the drivers. This simple mode operation usually lasted only for the first few miles per hour of the locomotive and then the locomotive was switched back to compound mode.


We have made this option available in the enhanced sound mode. By pressing F5, the simple mode startup is faithfully reproduced with steam cocks open and the locomotive giving all she has to move the train. This continues until the locomotive exceeds speed step 2.

Finally, there have been discussions as to why our Y6B model appears to get softer in volume at higher speeds instead of louder. As we rode in the cabs of steam engines accelerating and then roaring down the tracks we recorded the engine's exhaust. We immediately noticed that as the chuffs got closer together, the distinctive chuff chuff chuff sound was replaced by a quieter wooshing sound as valves opened and closed too quickly for distinct chuffs to be heard. This makes our model sound very different form our competitors at high speeds. We believe that it is a more prototypical sound.


--------------------------------------------------------------------------------

The Y6b was known as the "workhorse of the N&W." Starting with locomotive number 2120 in 1936, the Y6 class would become the final refinement of the 2-8-8-2 design. The model Y6b would be the epitome of the compound Mallet (Malley) development. With the completion of locomotive number 2200 in 1952, this Y6b would become the last mainline US manufactured steam locomotive produced.

The N&W shops in Roanoke, Virginia gave all "Y" Class engine and tender axles roller bearings and they used the same outside frame lead truck as the Class "A." The trailing truck also was equipped with roller bearings which were fit into an outside frame design. With these improvements the Y6's cost considerably more than their earlier brethren, but just as the maintenance records show these locomotives had a time "available for assignment" rating far superior to any of their predecessors.

The Y6b had a starting "tractive effort" in simple configuration of 152,206 pounds while in the compound mode the "tractive effort" of 126,838 was achieved. These locomotives delivered 5,500 horsepower, a substantial bit of power indeed. The Y6b locomotive engine weight was 582,900 pounds with 522,850 pounds directly on the drivers.

The maximum horsepower was achieved at 25 miles per hour and they were known to reach 50 miles per hour on level portions of track. Good on the road or in the yard, they were very well suited for a wide range of work. They were the mainstay on the Shenandoah, Pocahontas, and Radford divisions for freight operations.

Auxiliary water tenders (Broadway Limited Imports stk#'s 087 and 088) were often seen feeding these locomotives as they labored through the Blue Ridge Mountains.

When the N&W ceased their mainline steam operations in the summer of 1959, 50 of the Y6's were still running out serviceable miles in the coalfields waiting for the final order of diesels to replace them. The last of the Class Y's were retired in the summer of 1960.

 

 

 


 

Call 1-866-840-7777

to order