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Originally Posted by Jeff T:

Steve - Would you say your loco's smoke similar to the video?

Jeff, to be honest, I don't know.  I don't have the post war locomotives I upgraded any more and I never tested them with the new smoke fluids.  But I remember just the upgrade to new liquid smoke unit did improve smoke.  Another thing, if I had it to do over again I would enlarge the "air hole" at bottom of smoke chamber to increase air flow through smoke unit.  I believe someone suggested doing this and improved his smoke. 

 

The other thing is what liquid smoke unit did this guy on youtube install.  It may be a sluth or other type.   

 

TEX

Steve

I don't know why one would change the smoke unit from pellet to liquid.  They are nearly identical.  They both have a heater, they both have a wicking material (although the material in the pellet unit was used for a different purpose, but it still fulfills the purpose of a wick) and they have a chamber for the fluid and a puffing unit. 

 

Granted, some new units can smoke better, but the smoke output of the pellet types can be vastly improved by reducing the number of windings on the heater element.

 

Earl

Originally Posted by EIS:

I don't know why one would change the smoke unit from pellet to liquid.  They are nearly identical.  They both have a heater, they both have a wicking material (although the material in the pellet unit was used for a different purpose, but it still fulfills the purpose of a wick) and they have a chamber for the fluid and a puffing unit. 

 

Granted, some new units can smoke better, but the smoke output of the pellet types can be vastly improved by reducing the number of windings on the heater element.

 

Earl

Earl - You sound as if you speak from experience on reducing the number of windings on the heater element.  Is there a specific number you would recommend to remove??

My personal experience has been that the amount of smoke put out by a pellet driven smoke unit will depend on the individual locomotive.  I have some post-war pellet types which produce prodigious amounts of smoke while others which are exactly the same engine produce less.  The ones that were poor smokers I converted to liquid units and now they smoke fine.  Generally speaking I think liquid smoke units are better but if a pellet unit is working good I leave it alone.  I love the original stuff.  

Doesn't make any difference to a "pellet" smoke unit if a liquid is used. The resistor heating element in the smoke unit doesn't care: a pellet melts and becomes a liquid before it becomes a vapor. A liquid such as MegaSteam simply has a lower point at which it becomes a vapor and thus "smokes" at a lower temperature. It can be used in postwar pellet style smoke units without any ill effects. And there's supposed to be a wick material underneath the wire-wound ceramic core of pellet style smoke units.

Originally Posted by SantaFe158:
You can use fluid in a pellet unit. Don't bother converting
Originally Posted by mtnhi7:
Doesn't make any difference to a "pellet" smoke unit if a liquid is used. The resistor heating element in the smoke unit doesn't care: a pellet melts and becomes a liquid before it becomes a vapor. A liquid such as MegaSteam simply has a lower point at which it becomes a vapor and thus "smokes" at a lower temperature. It can be used in postwar pellet style smoke units without any ill effects. And there's supposed to be a wick material underneath the wire-wound ceramic core of pellet style smoke units.
Thank you!  No "conversion" is necessary.  If you do convert, it will just limit you to liquid - you lose that flexibility.  Here is a 726RR with liquid in a pellet smoker:
 
Last edited by ADCX Rob

Some folks might not be aware that Greenberg's Repair and Operating Manual for Lionel Trains is a collection of material from the original Lionel Corporation's service station manual, bulletins, and original Lionel Corporation instruction sheets.

Prior to the Greenberg version, an edition was put out by Aurotec. I have never done a comparison, they appear to be the same.

There may also be a soft cover version.

Folks interested in doing their own maintenace would do well to obtain a copy. There is a lot of good information.

Originally Posted by coaldust2026:

Just keep in mind, once you either convert or use a modern liquid in an original smoke unit, you will likely be unable to recover the original smoke pellet scent.  I have one postwar steamer which has never "seen" liquid and whose scent is as I remember it from the "old days".  I purposely keep it this way for that reason.

The "old days" for me was a Lionel Scout, no smoke, no whistle, no worries!!

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