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Class 66, By Accurascale


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  • 3 weeks later...
  • RMweb Gold
1 hour ago, WCML100 said:

Great news that these are still on course for Q1 next year! Very much looking forward to mine!

 

Quick question (sorry if this has been asked before), will the 66 have the same automatic flange squeal as the 37’s? Thanks 

 

Absolutely, here is the full DCC spec

 

Deluxe Features

  • PowerPack capacitor for uninterrupted power
  • Customised Dual-Speaker Technology with large ‘Accurathrash’ Style Bass Speaker and smaller 'iphone' style cube for higher frequencies (on DCC Sound-fitted models only)
  • Hall sensor for flange squeal effect (on DCC Sound-fitted models only)

DCC Features

  • DCC ready with PowerPack capacitor for uninterrupted power
  • DCC ready [21-Pin MTX Socket] or Factory-Fitted DCC Sound options
  • High Performance Traction features
  • Five-Pole motor with two flywheels
  • Gearing arranged so locomotive can achieve minimum scale top speed of 75 mph (120kph)
  • All wheel drive and all wheel pickup 

Fully detailed Lighting Pack features

  • Directional lighting, DC and DCC
  • Switchable Red and white marker lights with day/night options
  • Separately switched cab lighting, auto/off on movement
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Goof afternoon, many apologies if this has been asked already, but please can someone advise if there will be 2 different sound chips for the 66's. One depicting the original unmodified engines with original horns, & one for the low emission variant with the softer horns please? Many thanks in advance.

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On 22/12/2023 at 14:04, vanbasher said:

Goof afternoon, many apologies if this has been asked already, but please can someone advise if there will be 2 different sound chips for the 66's. One depicting the original unmodified engines with original horns, & one for the low emission variant with the softer horns please? Many thanks in advance.

 

The low emission variant has plenty of examples with the standard horn in use on the engine. The horn difference has a lot to do with where the engine was originally ordered for, rather than engine type or gearing for haulage. 

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27 minutes ago, The Black Hat said:

 

The low emission variant has plenty of examples with the standard horn in use on the engine. The horn difference has a lot to do with where the engine was originally ordered for, rather than engine type or gearing for haulage. 

Sorry to say there's more to it than that.

There are 3 horn sounds (unless something extra has crept in as an oddity), and they vary by batch.

 

Tier 1 is the original 4 door, Tier 2 are the later locos with larger cooler groups and smaller fuel tanks, often called low emission.

 

- All Tier 1 plus Tier 2 with large round "bug eye" lights (66951/952, 66718-66727) have the original horns.

Here is 727 with original horns to illustrate the point.

 

 

- Remaining Tier 2 locos (fitted with black BMAC clusters from the factory) have softer sounding horns. 728 in the video, showing this as the changeover point.

 

 

 

- Most ex Euro locos (those that retain the huge horn grill surrounds) have very harsh sounding European horns.

 

Euro oddities are 66747-749 and 790-792, as they were retro fitted in the UK, and all have a Tier 2 style horn.

 

At least one Freightliner Tier 1 loco has the Tier 2 horn, but that would more than likely have been a spare part fitted over here. 

 

On Tier 2 locos, the engine and compressor also sound different to Tier 1 machines.

 

Jo

Edited by Steadfast
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34 minutes ago, Steadfast said:

Sorry to say there's more to it than that.

There are 3 horn sounds (unless something extra has crept in as an oddity), and they vary by batch.

 

Tier 1 is the original 4 door, Tier 2 are the later locos with larger cooler groups and smaller fuel tanks, often called low emission.

 

- All Tier 1 plus Tier 2 with large round "bug eye" lights (66951/952, 66718-66727) have the original horns.

Here is 727 with original horns to illustrate the point.

 

 

- Remaining Tier 2 locos (fitted with black BMAC clusters from the factory) have softer sounding horns. 728 in the video, showing this as the changeover point.

 

 

 

- Most ex Euro locos (those that retain the huge horn grill surrounds) have very harsh sounding European horns.

 

Euro oddities are 66747-749 and 790-792, as they were retro fitted in the UK, and all have a Tier 2 style horn.

 

At least one Freightliner Tier 1 loco has the Tier 2 horn, but that would more than likely have been a spare part fitted over here. 

 

On Tier 2 locos, the engine and compressor also sound different to Tier 1 machines.

 

Jo


Cheers - thats a super way of explaining it. I was trying to do a rough rule of thumb but better to get it right. 

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15 hours ago, big jim said:

All I know is 66751 has the best horn of the lot! 
 

sharp and loud, makes people jump when you give it a little pop 


intrigued…. Youtube is your friend, it sounds more Polish than German, a bit like one of those party popper horns where the paper uncurls at the end.

 

 

 

 

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In the real world obviously to do 5 or 6 sound projects for a 66 would be overkill, but a fair compromise in my book would be

 

Tier 1 engine and compressor sounds with original horns

 

Tier 2 engine and compressor sounds with soft sounding horns

 

Optional Euro horn via CV perhaps?

 

Tier 2 locos sound has a bit more of a boom to it, and less ying. Inside there's a load of extra kit round the engine that the Tier 1 machines lack, and I wonder if that's what stops the ying sound getting out as much, as a lot of the kit is at the turbo end of the engine. Also the compressor makes more of a thump than on Tier 2 locos, I've not consciously compared the two, to see if a Tier 2 compressor is different or has extra things near it.

 

Jo

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