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Tried to update my 2020 Turbine from the light bulb smoke unit to a liquid smoke unit, but one of the flapper screws broke off in the chassis casting, so that's a nonstarter. 

So, since the S-2 didn't puff smoke anyway, does it sound feasible to install a modern diesel smoke unit and just go with a steady blast of smoke out the stack? 

If so, which one would you recommend?

Thanks!

Mitch

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Mitch, it does seem very feasible, no doubt.  Seeing as you are a scrounger, good at recycling parts and being handy....   There are many different fan driven smoke units available.  John or GGG, or many others will be good to inform you of the choices.  Or... as I have done at times, utilize a fan driven smoke unit rescued from a RK engine, or perhaps another second hand, "parts only" engine acquired at low costs.

Jesse

What is the smallest fan smoke unit they make?

I'm wondering about ho too. A neighbor was telling me about an ho unit. He was real excited over the performance he had seen, but I got the impression it was fan driven. A DCC diesel, so it almost had to be fan driven. 

  Hard to tell how accurate the description was though, he is a bit "foamy" and never made it past Jr High. Not dumb, he was just from a bad part of town and he and the parents considered finishing school too great a health risk. They are VERY old fashioned and gullible; he would have been a "target" for sure.

Trust me Ron, it runs on AC track power.   You don't need a bridge to generate DC, just a diode, cap, and the 5V regulator.  That's all that the standard lionel 27 ohm smoke units have.  You might have to tone it down a bit for 18V track power, it really is designed around 10-12 volts power.  At 18 volts, it's dissipating 12 watts in the smoke unit, lots of smoke, but limited life.

gunrunnerjohn posted:

Trust me Ron, it runs on AC track power.   You don't need a bridge to generate DC, just a diode, cap, and the 5V regulator.  That's all that the standard lionel 27 ohm smoke units have.  You might have to tone it down a bit for 18V track power, it really is designed around 10-12 volts power.  At 18 volts, it's dissipating 12 watts in the smoke unit, lots of smoke, but limited life.

Thank you John.
I have several applications for the smoke units.
Once I get one, I will hook it up to a resistor decade box and find the best resistor value at 18 vac full bore to tone it down a bit.
Looks like the current draw is 0.666 amps, strange number

Yes, .666 amps through the 27 ohm resistor is 12 watts, that's too much for reliable operation.  You really want to keep the current to a max of around .5 amps, that drops the power to 6.75W.  That will still generate lots of smoke.

You do NOT want a resistor to drop the voltage, you'll have two smoke units, and one won't have an enclosure with wick and a smoke stack!   If you must wire direct, consider using 1A bridge rectifiers wired as diode pairs to drop the voltage.

Last edited by gunrunnerjohn
gunrunnerjohn posted:

Very cool, nice job.

Couldn't have done it without you!  ;-)

rtr12 posted:

The Gi-raffe Conga train turned out very nice!  Looks like you have the Monkees waiting to cross the tracks, hope they make their gig on time!

They're waiting for the Last Train To Clarksville! 

Steamer posted:

that looks great Mitch, I need to do this to my 671.

I'll pop the top for an under-the-hood view at a later date...

Mitch

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