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New DCC Concepts Position Light Signals


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  • RMweb Gold

Yet the latest issue of BRM (page 98) states "The injection-molded signals are faultless in their dimensions".  An interesting choice of words if they are that oversized!

They may be OK in their proportions.

 

Dimensionally I still think that from their website they are at least 'O' gauge in size.

Edited by TheSignalEngineer
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  • RMweb Gold

They may be OK in their proportions.

 

Dimensionally I still think that from their website they are at least 'O' gauge in size.

 

That occurred to me too, which is why I went on to say it was an "interesting choice of words"  :O

 

Perhaps it was simply an unfortunate choice of words in the hope the review wasn't too critical?

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The 3 light GPL in the current unipart catalogue is 410 mm high by 430 mm wide, I think other makes and vintages are very close to that.

Hence in 4mm scale it would be 5.4 mm x 5.6 mm, in 7mm scale 9.4 mm x 9.9 mm.

The best guess from the dimensions on DCC Concepts website for theirs is 7.7 mm x 8.1 mm. This makes the scale of the model 1:53.25, rather big for 4mm, a bit small for 7mm.

Regards

Edited by Grovenor
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Wonder what size Train Techs will be as they about to release four kits;

GK1 - Modern Red ground signal kit

GK2 - Original Red ground signal kit

GK3 - Modern Yellow ground signal kit

GK4 - Original Yellow ground signal kit

http://www.train-tech.com/index.php/signalling/regular-dc-signals

 

and ready made DCC versions;

GS1 Ground Position shunt Signal White & Red http://www.train-tech.com/index.php/signalling/dcc-signals/77-gs1-ground-position-shunt-signal-wr

GS2 Ground Position shunt Signal White & Yellow http://www.train-tech.com/index.php/signalling/dcc-signals/78-gs2-ground-position-shunt-signal-wy

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  • RMweb Gold

Wonder what size Train Techs will be as they about to release four kits;

GK1 - Modern Red ground signal kit

GK2 - Original Red ground signal kit

GK3 - Modern Yellow ground signal kit

GK4 - Original Yellow ground signal kit

http://www.train-tech.com/index.php/signalling/regular-dc-signals

 

and ready made DCC versions;

GS1 Ground Position shunt Signal White & Red http://www.train-tech.com/index.php/signalling/dcc-signals/77-gs1-ground-position-shunt-signal-wr

GS2 Ground Position shunt Signal White & Yellow http://www.train-tech.com/index.php/signalling/dcc-signals/78-gs2-ground-position-shunt-signal-wy

Can't find any dimensions but they do look like a position light ground signal from the picture.

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  • 2 weeks later...
  • RMweb Gold

Wonder what size Train Techs will be as they about to release four kits;

GK1 - Modern Red ground signal kit

GK2 - Original Red ground signal kit

GK3 - Modern Yellow ground signal kit

GK4 - Original Yellow ground signal kit

http://www.train-tech.com/index.php/signalling/regular-dc-signals

 

and ready made DCC versions;

GS1 Ground Position shunt Signal White & Red http://www.train-tech.com/index.php/signalling/dcc-signals/77-gs1-ground-position-shunt-signal-wr

GS2 Ground Position shunt Signal White & Yellow http://www.train-tech.com/index.php/signalling/dcc-signals/78-gs2-ground-position-shunt-signal-wy

 

Needing above a dozen of these, I shall be following the kits with interest if the price is reasonable.

 

Mike.

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I couldn't get decent results from the Eckon "light tube" ground signals, suffering from poor light transmission and bleeding.  It was a faff, but I pulled them apart and fitted SMD LEDs in instead and the results are far better.

 

I got some of the Train Tech ground signals at Doncaster at the weekend, not played with them yet but one thing that might be of interest is that the GK1 / GK2 are actually the same thing now, it appears the signal can be used in either way (bottom right white always on, red / upper white for ON / OFF or two reds for ON, two whites for OFF).

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They do look too big, its higher than that blokes waist

You can bury the base so that would drop it down quite a bit.

 

They are too big but there are limits in 4mm scale especially if it is going to be commercially viable. 

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I couldn't get decent results from the Eckon "light tube" ground signals, suffering from poor light transmission and bleeding.  It was a faff, but I pulled them apart and fitted SMD LEDs in instead and the results are far better.

 

I found this too - very dim.  Prototypically, it was probably right, but just seemed disappointingly dim at 4mm

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I connected and sunk some of these into the layout today.  Certainly the light is lot more pleasing than the Eckon signal and a dam site easier to connect up.  Each to their own, but i'm pretty happy with them.  The men/loco are level with the front edge of the light.  If you haven't got that massive point motor behind them they'd be even more impressive!

post-33284-0-40440500-1518907870_thumb.jpg

post-33284-0-39125500-1518907893_thumb.jpg

Edited by Ouroborus
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  • RMweb Gold

Hmmm , they don't look too bad did it take much work to get them like that.

They are still too big but that looks almost acceptable

Mind a loco shouldn't be running in that direction to one that is in the off position

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Hmmm , they don't look too bad did it take much work to get them like that.

They are still too big but that looks almost acceptable

Mind a loco shouldn't be running in that direction to one that is in the off position

 

No, they are very easy to connect up.  You're supplied with a drill to cut through the baseboard.  Take this drill and throw it away.  If you use it, the hole remains that smidge too tight to force the connecting plug through.  But force it you will and you'll mangle the plug so it doesn't connect to the board.  I told dcc concepts what i'd done and they sent me some new plugs out foc.  Obviously a longer 'run' between the signal and the board would need some new wire splicing in.    The board takes a signal from the track and assigns each signal a cv number.  You can reprogram them to suit.  Thats about it, pretty much plug and play.  Its laminate floor underlay on top of my baseboard - easy to chop out.  Took about 30 minutes to solder the new plugs, recess the base and connect up for all 4 signals.  I would also say that the long exposure on the camera (1.6s) makes the lights a little brighter than they are

Edited by Ouroborus
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  • RMweb Gold

I connected and sunk some of these into the layout today.  Certainly the light is lot more pleasing than the Eckon signal and a dam site easier to connect up.  Each to their own, but i'm pretty happy with them.  The men/loco are level with the front edge of the light.  If you haven't got that massive point motor behind them they'd be even more impressive!

Are they red and white or red and yellow? They look very yellow in your photo, same as the markers on the Ped

 

Andi

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