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Johns 7mm Loco Workbench - All Other RTR Locomotive & Rolling Stock Makers. - More Practical Help - Your Model Railway Club
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 Posted: Wed Jan 11th, 2017 07:17 pm
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Brossard
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Hi Rob, yes speakers, 40 x 20 x 9 as recommended by Digitrains.

I got a pack of blacktack while I was at it.  This is similar to bluetack but quite a bit stronger.

I have read that speakers do need to be sealed in their housing to get good sound.

The PVA I've used sets rock hard.  I have been using some Tacky Glue for sticking turnout timbers to templates, this is similar to PVA but dries slightly rubbery and peels off.

John



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 Posted: Wed Jan 11th, 2017 07:37 pm
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Rob Pulham
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Thanks John,
I have only recently become aware of Black tack - since reading up on DCC articles after having a few problems. I may have to invest in some.

In my experience watered down PVA's seem to set like concrete but the thicker stuff remains rubbery - or I have just been lucky.



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 Posted: Wed Jan 11th, 2017 07:50 pm
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Brossard
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Maybe you and I aren't talking about the same PVA.  Artists matte looks a lot like PVA but sets a bit rubbery.

I plan to use Tacky Glue to stick foam roadbed and track down, it might keep the noise down.

John



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 Posted: Thu Jan 12th, 2017 05:23 pm
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Rob Pulham
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Hi John,
You are probably right - thick pva is sold over here as water based superglue and branded tacky glue.



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 Posted: Thu Jan 12th, 2017 09:03 pm
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Brossard
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Tacky Glue:

https://www.walmart.com/ip/Aleene-s-Original-Tacky-Glue-16-oz/17299868

John



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 Posted: Thu Jan 12th, 2017 09:09 pm
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Brossard
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Flamin' 'eck, I installed the Cl 08 decoder and speaker today.  What should have been a 10 minute job turned into a marathon.

Turns out I got the speaker leads touching so no sound.  I wanted to peek under the circuit board to see what I'd done but then I noticed a broken wire.  The wire wasn't long enough to get a grip to strip it.  Long story short, I ended up rewiring the CB and everything works now. 

Unfortunately the tiny pads on the decoder for stay alive came adrift after soldering - should have used fine wires and soldered the SA to those.  Drat!

I'm thinking decoder installation in the J50 will be easier since there's no CB.

John



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 Posted: Thu Jan 12th, 2017 09:14 pm
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MaxSouthOz
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Lucky break, John.

Normally if you touch the speaker leads together, the amp is "Out to Lunch."   :lol:



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 Posted: Thu Jan 12th, 2017 09:19 pm
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Brossard
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Fortunately no sparks or smoke :roll:.

John



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 Posted: Fri Feb 10th, 2017 07:50 pm
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Brossard
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The postman handed me a box this morning containing my Class 15 loco:





Very impressive.  First impression is the weight!  There's a bag containing etched plates and a decal sheet so I'll need to have a sit down to figure all that out.

Everything works as advertised when power is applied.  I got the sound on board version with Zimo/Paul Chetter sound.

The default mode is heavy load and momentum setting is high - getting the loco moving then cutting power, it wants to keep going...and going.  There's also a light load mode selected by a function key.  In this mode the loco stops fairly quickly.

Marker lights are individually switched using function keys.  As pictured it is coded for the Royal Train, so will have to fix that.

Top marks!

John



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 Posted: Fri Feb 10th, 2017 07:53 pm
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Genetk44
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John...do you have an operating track to use all this rolling-stock on yet??



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 Posted: Fri Feb 10th, 2017 07:57 pm
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Brossard
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What, are you lurking?  No I don't, I'm thinking about it.  All will come in the fullness of time.

John



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 Posted: Fri Feb 10th, 2017 07:58 pm
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Genetk44
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What happened to the new baseboards you built a few months ago??



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 Posted: Fri Feb 10th, 2017 08:04 pm
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Brossard
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They're still around but I agreed to build a layout for Mike, only he's laid up so I can't progress and the basement isn't big enough for me to work on two at once.  Besides, I want to see if I can do a circuit.  It'll all have to wait a bit.

John



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