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 Live Diesel-Mechanical 1/12th scale

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Saint-Oblas




Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptySun Mar 29, 2015 5:44 am

Can you give the reference for the centrifugal fan, please? I may have the use of one in one of my projects.

Thanks,
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dewintondave

dewintondave

Location : New Zealand

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptySun Mar 29, 2015 6:46 am

Saint-Oblas wrote:
Can you give the reference for the centrifugal fan, please? I may have the use of one in one of my projects.

Thanks,

Search in eBay for:
60mm x 28mm 6028s 2 Wire 12v DC Brushless Blower Cooling Cooler Fan

Best wishes,
David.
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Saint-Oblas

Saint-Oblas

Location : Lyon, France

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptySun Mar 29, 2015 7:06 am

I found this one:

http://www.ebay.fr/itm/60mm-x-28mm-6028s-2-Wire-12v-DC-Brushless-Blower-Cooling-Cooler-Fan-/261436732666?pt=LH_DefaultDomain_0&hash=item3cded7f4fa

but you wrote about one from Germany which looks made from aluminium. I do not think this one match.
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dewintondave

dewintondave

Location : New Zealand

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptySun Mar 29, 2015 7:18 am

Saint-Oblas wrote:
I found this one:

http://www.ebay.fr/itm/60mm-x-28mm-6028s-2-Wire-12v-DC-Brushless-Blower-Cooling-Cooler-Fan-/261436732666?pt=LH_DefaultDomain_0&hash=item3cded7f4fa

but you wrote about one from Germany which looks made from aluminium. I do not think this one match.

I am using the one shown in your link.  It's the steel mounting bracket that you can see.

The one from Germany is a 50mm x 15mm normal axial type.

Best wishes,
David.
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Saint-Oblas

Saint-Oblas

Location : Lyon, France

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptySun Mar 29, 2015 7:27 am

Thanks for your answer. It may be interesting since I plan to use the same engine (but unfortunately without pull-start).
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Tacbob



Location : Harz, Germany

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptySun Mar 29, 2015 9:05 am

Hi Dave,

Sharp looking loco on the last pic.
Why did you decide not to use the centrifugal fan?

_________________
Lorenz
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dewintondave

dewintondave

Location : New Zealand

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptySun Mar 29, 2015 9:11 am

Tacbob wrote:
Sharp looking loco on the last pic.
Why did you decide not to use the centrifugal fan?

Thank you Lorenz, I like the twin fan look.

I am using the centrifugal fan, hoping it'll draw in cooler air from that side vent.

I thought that the axial fan would be drawing hotter air from the silencer box.

Best wishes,
David.
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Tacbob



Location : Harz, Germany

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptySun Mar 29, 2015 9:17 am

Hi Dave,

Ah, see. I guess it'll be a good cooling system with 3 fans. Hope you are able to test it soon.

_________________
Lorenz
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dewintondave

dewintondave

Location : New Zealand

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptySun Mar 29, 2015 10:07 pm

Here's a higher view of the centrifugal blower fan.  It's held on to the silencer by a steel bracket, I followed the outline of the blower.

Live Diesel-Mechanical 1/12th scale - Page 7 20150329_113916_s

Phew! The new loco can still pass LGB stock in the sidings with normal track spacing.  I'm about to reinstate the sidings on my line.  1/12th scale meets 1/22nd scale. The LGB open trucks look OK behind the loco. I know it's a bit sinful...

Live Diesel-Mechanical 1/12th scale - Page 7 20150329_185523_s

Best wishes,
Dave.
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Saint-Oblas

Saint-Oblas

Location : Lyon, France

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptyMon Mar 30, 2015 6:14 am

The mine waggonet:

Live Diesel-Mechanical 1/12th scale - Page 7 90200001

would fit perfectly to your loc.
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dewintondave

dewintondave

Location : New Zealand

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptyWed Apr 15, 2015 9:51 am

It's only a small issue, but I accidentally blew the 2.5V bulb in the headlamp by applying 6V to it.  When I went to replace it, the new bulb was a good 1mm longer.  It turns out that the original bulb was malformed and too short.  I based the whole headlamp around that bulb, so I had to make an extender cap to fit over the rear cover.  I've shifted to using 5.4 V bulbs from eBay now...

Live Diesel-Mechanical 1/12th scale - Page 7 IMG_20150415_211536

I've got a neat PWM controller from eBay to dim the headlight.  I've been unsoldering the potentiometer from the PCB to remote mount it behind the headlight, I need the PCB to be horizontal.

Live Diesel-Mechanical 1/12th scale - Page 7 57_s
Best wishes,
Dave.
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tram47

tram47

Location : Aquitaine (France)

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptyThu Apr 16, 2015 4:56 pm

Live Diesel-Mechanical 1/12th scale - Page 7 833270 Idea belle réalisation et prudente Exclamation
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dewintondave

dewintondave

Location : New Zealand

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptyMon Apr 20, 2015 8:42 am

tram47 wrote:
Idea belle réalisation et prudente  Exclamation

Merci beaucoup!

I noticed some coarser mesh at my local DIY store.  I spray painted it the loco colour, I couldn't spray the finer mesh, I'm sure it would have all clogged up.  This mesh was quite loose, I'm fairly sure it's zinc.  It looks great now, and is much more rigid after painting.

I think Lorenz will like it more Smile

Live Diesel-Mechanical 1/12th scale - Page 7 20150419_224505

Live Diesel-Mechanical 1/12th scale - Page 7 IMG_20150420_170412

Best wishes,
Dave.
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Saint-Oblas

Saint-Oblas

Location : Lyon, France

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptyMon Apr 20, 2015 9:50 am

It looks very much like this:

Live Diesel-Mechanical 1/12th scale - Page 7 Image110
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dewintondave

dewintondave

Location : New Zealand

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptySat May 23, 2015 8:38 am

Saint-Oblas wrote:
It looks very much like this:

S-O that is so ugly Smile

---

Finally, I have something to show.  The cooling arrangements have been wired-up and connected.

Live Diesel-Mechanical 1/12th scale - Page 7 20150523_185457_e


Live Diesel-Mechanical 1/12th scale - Page 7 20150523_190118_e

As soon as the bonnet is fully slid onto the loco the blue micro switch powers-up all the electrics.  The electrical connector provides power for the loco mounted blower.  There's 4 AA cells in the battery holder.  The toy-like smooth exterior has been preserved with no through bonnet fixings for all the bits and pieces.

Live Diesel-Mechanical 1/12th scale - Page 7 20150523_184756

Best wishes,
Dave.
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Tacbob



Location : Harz, Germany

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptyTue May 26, 2015 2:34 am

Hi Dave,

Still a beauty. What do you control with the poti on the bonnet top? The fan speed?

_________________
Lorenz
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dewintondave

dewintondave

Location : New Zealand

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptyTue May 26, 2015 8:53 am

Tacbob wrote:
Hi Dave,

Still a beauty. What do you control with the poti on the bonnet top? The fan speed?

Hi Lorenz, its the on/off and dimmer switch for the headlight.  It looks really good dimmed, like the NZR locos running in daytime.  The fans run full speed.  Interestingly the alkaline dry cells cannot provide enough energy, and the fans slow when the light is turned on.  But, with my eneloop batteries installed the headlight makes no difference and the fans run faster too!

Best wishes,
Dave.
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Tacbob



Location : Harz, Germany

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptyTue May 26, 2015 6:20 pm

Hi Dave,

Will you hide the switch underneath a fake cyclone air cleaner?


Electrics and electronics are always a kind of mystical Wink.

_________________
Lorenz
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Bearcastle

Bearcastle

Location : Brie

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptyTue May 26, 2015 6:32 pm

I was asking myself the same question about hiding the switch button.
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dewintondave

dewintondave

Location : New Zealand

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptyWed May 27, 2015 7:44 am

Tacbob wrote:
Hi Dave,

Will you hide the switch underneath a fake cyclone air cleaner?

Bearcastle wrote:
I was asking myself the same question about hiding the switch button.

It isn't a priority at the moment chaps.  I'm looking forward to getting the big diesel roaring again, and then onto painting.

Best wishes,
Dave.
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Tacbob



Location : Harz, Germany

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptyWed May 27, 2015 11:44 am

I wish I already would be as far as you are.

_________________
Lorenz
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dewintondave

dewintondave

Location : New Zealand

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptyFri May 29, 2015 9:37 am

Here's une petite video of the bonnet / hood in operation.  The two small fans on the front take about 50 seconds to reach top speed.



Best wishes,
Dave.
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Tacbob



Location : Harz, Germany

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptyFri May 29, 2015 10:35 am

HI Dave,

Nice sound. Almost like a real diesel electric. I really like youre main switch solution.

_________________
Lorenz
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dewintondave

dewintondave

Location : New Zealand

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptyTue Jun 02, 2015 11:05 am

Tacbob wrote:
Nice sound. Almost like a real diesel electric. I really like youre main switch solution.

Thank you Lorenz.

I don't want to have to remove the cooling hood when topping up the fuel so I've mounted an extension filler pipe on the right hand side behind the buffer beam.

Live Diesel-Mechanical 1/12th scale - Page 7 IMG_20150602_160130_s

Live Diesel-Mechanical 1/12th scale - Page 7 IMG_20150602_203156_s

Some people ask if I have any drawings, well here's a circuit diagram I drew to work out the electrics.  I didn't use the switch in the blower wiring in the end.

Live Diesel-Mechanical 1/12th scale - Page 7 IMG_20150602_143739

Best wishes,
Dave.
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Tacbob



Location : Harz, Germany

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptyTue Jun 02, 2015 7:19 pm

Hi Dave,

Will you still make a cap for the filler?

_________________
Lorenz
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dewintondave

dewintondave

Location : New Zealand

Live Diesel-Mechanical 1/12th scale - Page 7 Empty
PostSubject: Re: Live Diesel-Mechanical 1/12th scale   Live Diesel-Mechanical 1/12th scale - Page 7 EmptyThu Jun 04, 2015 2:31 am

Tacbob wrote:
Will you still make a cap for the filler?

Here you are Lorenz, a chunky filler cap.

Live Diesel-Mechanical 1/12th scale - Page 7 IMG_20150604_135616_s

Live Diesel-Mechanical 1/12th scale - Page 7 IMG_20150604_125009_sp

Best wishes,
Dave.
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