Gopher Models Commonwealth Railways GM12 – DCC Sound

Description

Sound installed Gopher Models Commonwealth Railways GM locomotive.

• Installed with Zimo MS490 sound decoder
  • 128Mbit sound storage, 16 bit sound playback, 1W amplifier
• Custom 660uF keep alive capacitor
• 15 x 11mm sugar cube speaker with custom enclosure
• EMD-567C prime mover sounds with either Nathan P5, Leslie 3 Chime, Leslie 5 Chime, RVB 3 Chime or Westinghouse A B horn
  • Simply change one CV value to switch between any of the above horn profiles
• Directional headlights with soft start (F0)
• Dim headlights (F1)
• Shunting mode – momentum heavily reduced (F19)
• Sound features via function buttons:
  • Coast on demand and automatically (F5)
  • Light/heavy load – prime mover notches up slow/fast dependent on speed (F6)
  • Drive lock (F9)
  • Notch 8 (F12)
  • Manual Notching (F16 – on/off, F17 – notch down, F18 – notch up)
  • Mute (F20)
  • Volume increase/decrease (F22/21)
• Cue-able sounds:
  • Long, short & alternate horn (F2, 3, 10)
  • Dynamic brakes – when activated prime mover automatically drops to idle (F4)
  • Brake squeal (F7)
  • Coupler (F11)
  • Air compressor – loops until switched off (F13)
  • Air release (F14)
  • Spitters (F15)
• Automatic sounds:
  • Air compressor – randomly plays when locomotive is at rest
  • Air release – randomly plays when locomotive is at rest

Commonwealth Railways GM12 class locomotive, built by Clyde Engineering, Granville.

• Power unit EMD16-567C, V16
• Generator EMD D12
• Power output 1800hp
• Tractive effort (continuous) 57,300lb
• Max speed 89mph (143kph)
• Weight 116t

There were 36 in the class, of which this model represents GM12-GM36. 

Modifications were made to the roof on GM37-GM47 and these will be available as extras.

Traction motors varied across the models with:

• D37 used for GM12-GM21
• D47 used for GM22-GM26
• D57 used for GM27-GM29
• D67 used for GM30-GM39
• D77 used for GM40-GM47

GM17-GM21 had a window added to the right hand side read, the same as the NSWGR 42 class, but without a side window.

View on the Gopher Models website: GM