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SMOKE GENERATOR REPLACEMENT
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 Posted: Thu Sep 22nd, 2016 06:03 pm
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Helmut F
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I need a replacement smoke generator for a Bachmann Big Hauler 10 wheeler.  Recommendations?

If it exists, one with an autoshutoff and that does a bit better at smoke output than the stock generator.

If it matters, I will be adding a decoder and sound decoder to this loco.



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 Posted: Thu Sep 22nd, 2016 07:02 pm
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oztrainz
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Hi Helmut,
Check out the Seuthe range (pronounced as zoita). Have a look at http://www.dccconcepts.com/catalogue/c/smoke-units-and-smoke-oils as a start for DCC low-current-draw unit recommendations.

A good friend has used Seuthe smoke units on exhibition layouts for years. Two of the tricks for long life is to back off the amount of power going in (run them at about 3/4 of rated capacity) and only run them with the proper Seuthe smoke oil. Yes you can use cheaper stuff to make the smoke but it will either clog the unit and/or reduce the life of the smoke unit.

Third tip - never let them run dry - it fries the heating element RAPIDLY. Look at fitting a larger smoke oil reservoir if possible. Tom M's recommendation of an ESU decoder controlled microswitch at http://www.bachmanntrains.com/home-usa/board/index.php/topic,21741.msg173179.html is probably a good one. If your loco is parked, then it probably doesn't need to be making smoke continuously.

The Smoke output might also be improved by assisting the drafting, You would have to play around with this to get more air up the stack. This approach looks at enhancing the effect for the same amount of smoke made by the unit

Good luck smoking,



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John Garaty
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 Posted: Thu Sep 22nd, 2016 09:01 pm
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Helmut F
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Thx much John.



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 Posted: Sat Sep 24th, 2016 03:51 pm
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Manfred D
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http://www.scale4x4rc.org/forums/showthread.php?t=25024

i tryed this one works like a charm



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 Posted: Sat Sep 24th, 2016 09:58 pm
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Helmut F
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Manfred,
Thx. I actually found that thread already. Do you mean to say you purchased the Heng Long smoke generator?

Or you build you own?

Or you purchased the Harbor Models smoke generator?



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 Posted: Sat Sep 24th, 2016 10:06 pm
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Manfred D
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I purchased the harbor sm unit,putts out a lot of smoke butt burned out after a few mts so I build my own. Will post pics tonight!



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 Posted: Sat Sep 24th, 2016 10:19 pm
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Helmut F
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Got it. That is an expensive smoke unit to have it burn out in a few months!

It would be great to see what you did. I have been considering that route as well and also using fog smoke fluid instead of oil based fluid.

Thx.



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 Posted: Mon Sep 26th, 2016 12:27 am
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Manfred D
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K 27 with harbor smoke unit,thats what a 120 $ burnt out unit looks like

Attachment: harbor sm unit sm.jpg (Downloaded 30 times)

Last edited on Mon Sep 26th, 2016 12:30 am by Manfred D



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 Posted: Mon Sep 26th, 2016 12:29 am
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Manfred D
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My k 27 with harbor smoke unit

Attachment: K27 on fire sm.jpg (Downloaded 30 times)



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 Posted: Mon Sep 26th, 2016 12:37 am
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Manfred D
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5 watt 33 ohm or 5 watt 27 ohm resistor crush the ceramic housing 12volt/14 volt is good enough!

Attachment: part for sm unit.jpg (Downloaded 30 times)



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