Speedometers, Traction Current Meters,

Digital Sound Systems and Smoke generators

Manufactured by Magpie Computer Developments Ltd, using one of our 5" gauge class 31 loco's as a test bed!!!

 

   

Traction Current Meter Standard Features

Speedometer Standard Features

Displays Battery Current to 100 Amps

 Indicates Actual Speed up to 10 MPH

Uses Hall-effect Transducer mounted inside the Locomotive

 Quality Moving-Coil Meter - 70 mm x 60 mm
Current Sensing is independent of Battery Voltage Works from magnetic Wheel Sensor (supplied)
Easy to Install - no need to cut any Battery leads Multi-function configuration button
Safe to use - no Electrical Connection to High Currents Easy entry / display of Wheel diameter
Gives you a 'feel' of Power being developed

Adjustable Over-Speed Indicator

 illuminates when pre-set speed is exceeded
Quality Moving-Coil Meter - 70 mm x 60 mm Odometer Function (up to 99.99 miles recorded)

Can be set to sense only the Current used for Traction or Total Current

(including Accessories)

 Accommodates Wheel diameters from 1 to 9.999"
Dual-microprocessor technology ensures reliability Can be run from a 9V PP3 / MN1604 / 6LR61 battery - run it from your Driving Truck wheels - useful for Steam Locos
Reverse Polarity protected Alternative Options
Other ranges available - from 50 to 600 Amps! Odometer recording up to 999.9 miles

£49.00

 Wheel diameters from 10 to 99.99"
  Extra Cost Options
  Wheel-slip Indication Function (requires additional Wheel Sensor)
  Other calibrations or Metric Scales
 

£49.00
   

 

Digital Sound System

 
  5 Sound Sequences from 4 Switch Inputs  
  Engine Start-up Sequence  
  Engine Shut-down Sequence  
  Low Horn (Continuous)  
 
 High Horn (Continuous)  
  Two Tone Horn  
  Universal 12V Operation  
  Engine Sound synchronised to Loco Speed  
  Straightforward Installation  
  40W Amplifier and Speaker Included  
  Opto-isolated Locomotive Speed-sensing system  
  Suitable for use in any Battery-powered locomotive  
  Uses existing Control handset  
  Pre-programmed with Loco sounds to order  
 

£295.00

  

Exhaust Smoke Generator

 Available Now

  Smoke generator, purpose-built for 5" & 7 1/4" Gauge Models  
  Synchronised to Loco Movements  and Sound System (if fitted)  
  24V operation  
  Uses readily available Disco 'smoke' Fluid  
 
 Two Exhaust Patterns - 'Clag' and Idling  
  Patterns are produced by setting the Heater power and Fan speed  
  Exhaust Patterns can be user-adjusted  if required  
  Opto-isolated Locomotive Speed-sensing system.  
  Suitable for use in any Battery-powered locomotive  
  Generator Unit (120 mm L x 65 mm W x 60 mm D) contains powerful Fan, with two 15 mm exhaust stubs, that you 'plumb' to your exhaust ports using standard 15 mm or 22 mm plastic plumbing fittings  
 

£95.00

  
     
 

DSHC1 HAND CONTROL UNIT

  
 

To complement the digital sound units, we have introduced the DSHC1 hand control unit.

Features:- main power key switch, controls for the digital sounds & battery condition meter.

  
 

 
 

£75.00