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PRR Q2 4-4-6-4

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A Brief Overview of the PRR Q2 4-4-6-4

In 1942, the PRR built an experimental duplex drive freight locomotive, the Q1, with a 4-6-4-4 wheel arrangement.  In 1944, after identifying a number of flaws with the Q1, the PRR built a second prototype. They changed the wheel arrangement to 4-4-6-4 and created class Q2.  This prototype was followed by 25 production Q2s in 1945.  These rigid-frame four cylinder locomotives may have been the epitome of super-power steam locomotive design.  At 115,800 lbs of tractive effort and nearly 8,000 horsepower, the Q2's were the most powerful ten-coupled steam locomotives ever produced.  Mostly seen on the Pennsy west of Pittsburgh, these locomotives would also venture east to territories such as Horseshoe Curve and their birthplace, Altoona.  The Q2 was emblematic of the PRR's commitment to on-line coal producers to continue to use steam locomotives to power their trains after World War II.  However, the Q2 could not match the maintenance records of the invading diesels and, by 1956, the last Q2 had been retired and scrapped.  No example of this titan of the rails was saved for posterity.

With the help of the PRR Historical Society, Broadway Limited Imports has produced spectacular brass models of both the prototype version (#6131) and several of the production version locomotives.  These models are 100% brass, with plastic brake shoes to help with more reliable operation.  Broadway Limited is has produced four distinct road numbers.  An unlettered/unnumbered version is also available, as well as several beautiful varnished brass editions.  In addition to the stunning level of detail, and the beautiful decoration, these models are factory-equipped with Broadway Limited's new Paragon2 DC/DCC Sound and Control system.  BLI's flagship control system allows you to operate the model on a DC or DCC layout out of the box.  The Paragon2 system provides the user with the best slow speed control in the industry and with multiple innovative features like smoke that puffs in synch with each chuff sound, and authentic crew chatter at the touch of a button.  With the Q2 locomotive weighing in at 1lb 10oz, she has the power to pull long freight trains single-handedly, just like the Q2 did in real life!  If you are not an operator, this splendidly detailed brass model will be the jewel of your collection.  Descriptions for each of the individual items are available below.  Contact your favorite dealer to place your reservations today.


Industry-Leading Features OVERVIEW:
Super-Heavy Weighted Brass Construction and Detail
Features the ALL-NEW Paragon2 Sound & Control System
Integral DCC Decoder with Back EMF for Industry Best Slow Speed Operation in DC and DCC.  (This model will crawl at speed step 1 of 128!)
Precision Drive Mechanism with sprung drivers engineered for continuous heavy load towing and ultra-smooth slow speed operation
Fly-Wheel Synchronized Puffing Smoke and Chuff
Grade & Load-sensing variable Smoke & Chuff Intensity (more smoke and belabored chuff when on inclines/more load.)
5-Pole Can Motor with Skew Wound Armature
Premium Caliber Painting with Authentic Paint Schemes
Minimum radius: 22 radius or greater recommended
Operating metal knuckle couplers
Factory Installed Engineer and Firemen Figures
Industry-Leading SOUND / OPERATION Features:
Operates with SOUND in DC & DCC (use DCMaster for DC sound)
Prototypical Light Operation with Golden White LED Headlight
AUTO PILOT (ATS) - Records and plays back sound and movement sequences for automated operation. (Macro Operation)
16-bit Sound System for exceptional high frequency sound clarity
Mechanically Synchronized Distinctive PRR Q2 Chuff sounds and correct chuff / revolution rate
Playable/Quillable Whistle for multiple whistle lengths & patterns: Choice of up to 3 selectable Whistles with Authentic Q2 Whistle
Adjustable bell ringing interval for faster or slower bell
Numerous user map-able functions with available keys
Reversing Mechanism Sound at Direction Change
Air let-off, Air Pump, Blow Down, Pop-Off, Injector, Brake Squeal
Passenger Station Announcement Sounds- Controlled with Function Key
Freight Yard, Lumber Yard, Maintenance Yard - Controlled with Function Keys
Grade Crossing Automatic Signal
Simple Programming with Integral DCC Decoder
Automatic Forward / Reverse Signal - When activated, stopping triggers a stop whistle toot. When moving forward from a stopped position, toots twice. When moving in reverse, toots three times.
Engine sound intensity varies with load
Individually adjustable sound volumes for each effect
EZ Reset Button for quick return to factory default settings
**Specifications on this page subject to change.
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