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Consolidation - On Members Workbenches. - More Practical Help - Your Model Railway Club
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 Posted: Tue Jul 24th, 2012 05:50 am
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MaxSouthOz
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I picked up some bass reflex 27 mm speakers from Tony's Train Exchange the other day.

I thought it might be an opportunity to use it in one of my waifs.



I got this Consolidation for $30.00 a while back, but the main drive gear broke.  I got a set of replacement wheels from Bachmann and now she's going again, I thought I'd make another project of it.

I split the loco apart and installed a new headlight and firebox LED and rewired it from the ground up with NMRA coded wires.

Here's the speaker.



. . . and up the other way . . .



So, now to butchering the tender . . .



I've had to trim the weight a bit and concave the floor.  At the top I've had to open up the coal bunker.



Here's the speaker looking out into the cabin of the loco.



. . . and the job assembled.  Now I have to re-pack the coal and fit the decoder.  



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 Posted: Tue Jul 24th, 2012 08:05 am
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Petermac
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That's a tight fit Max - she should sound good echoing off the driver's **** .......:thumbs



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 Posted: Tue Jul 24th, 2012 08:37 am
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MaxSouthOz
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It used to sound pretty good with the little Lokkie speaker, Peter.

I'm hoping for big things.  ;-)



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 Posted: Wed Jul 25th, 2012 01:38 am
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MaxSouthOz
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The coal has been replaced.



It's been glued in using the same process as for ballasting.  Isopropyl alcohol to relieve the surface tension and 60 : 40 PVA/water mix.



Now for the decoder.



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 Posted: Wed Jul 25th, 2012 06:55 am
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Petermac
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Presumably it's real coal Max :roll:

When you use the IPA to remove surface tension, do you add it to the water/PVA mix or straight onto the coal ?

Actually, thinking about it, I'd guess it's added to the mix, otherwise, it would probably evaporate before you got the glue to the site, plus, there'd be a danger of it damaging the speaker if any got in there ............................:hmm:hmm

You've made an excellent job of hiding the speaker. :thumbs



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 Posted: Wed Jul 25th, 2012 08:30 am
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MaxSouthOz
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Real coal, Peter.

IPA sprayed directly on to the coal (and the model).

It makes those nice white 'water' stains that I'm famous for - sorry - for which I'm famous.  :oops:

It doesn't seem to bother the speakers. 



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 Posted: Wed Jul 25th, 2012 09:16 am
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ddolfelin
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That's very accomplished, Max.
My electrical toolbox ran away and hid when you said, "I split the loco apart".
Something else beyond my comfort zone.



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 Posted: Wed Jul 25th, 2012 12:29 pm
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MaxSouthOz
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:mutley



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 Posted: Thu Jul 26th, 2012 06:21 am
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MaxSouthOz
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OK.  Now we need a loco - here's one I prepared earlier.  ;-) 



In an earlier episode I split the loco in half and put new wires on the motor and headlight.  I also replaced the wires on the pickups.  They split into two sets of four and enter the tender from underneath either side of the drawbar.



They appear in front of where the speaker will go and will be in the space underneath the curved enclosure.



I've also replaced the pickup wires on the tender bogies.



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 Posted: Fri Jul 27th, 2012 06:59 am
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MaxSouthOz
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The decoder is in.



Now to see if we can make some noise.



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 Posted: Fri Jul 27th, 2012 07:31 am
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Petermac
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That maze of wires has suddenly taken on a very neat "harness" form Max.  Have you glued them to the tender floor ?  If so, what with ?

You're a better man than I am Gunga Din .........:pathead



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 Posted: Fri Jul 27th, 2012 07:41 am
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MaxSouthOz
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The dreaded PVA, Peter.

Not nessess celery - once you've done a few of them, "It's like falling on top of the log, Cisco."

It's loading up a sound project as we speak/write :???:

I might be able to to a movie - except that Jonathon Dimbleby is on tonight - followed by Emilia Fox in "Silent Witness."

OOooo - a hard choice.  :hmm



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 Posted: Fri Jul 27th, 2012 07:51 am
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Petermac
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:mutley:mutley:mutley:mutley

Life is all about choices Max.

Do the movie and I'll tell you who did it in Silent Witness .....................:cheers



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 Posted: Fri Jul 27th, 2012 12:22 pm
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MaxSouthOz
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I've uploaded a basic steam sound project - no editing or tweaking, so it's pretty rough; but we can hear what the speaker sounds like.

In the room it's not as loud as the two cubes, but it has a nice rich sound nonetheless.

See what you think . . .

http://www.youtube.com/watch?v=UUVP9h8Afuo




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 Posted: Fri Jul 27th, 2012 03:52 pm
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Petermac
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I've commented on your YouTube page Max but, as I said there, I think it's great.

The "chuffs" are superb and, something I haven't heard before, the shovelling of coal - a brilliant touch. :pathead:pathead

Obviously I don't know how loud it actually is, because I don't know where the mike was but it certainly sounded loud enough here in France ...........:cheers

Don't forget how you did it - I'm still saving my Saturday sweetie money to send one of mine to you .........................:roll::roll::roll:



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 Posted: Fri Jul 27th, 2012 08:52 pm
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MaxSouthOz
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Thanks, Peter.  I put the camera very close to give it the best chance of getting a good recording - hence the banana shaped loco!  :lol:

The idea of the coal shovelling sound is that it is played in conjunction with the firebox LED, so it looks like Fireman Fred opens the doors to shovel it in and then closes them again.



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