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joef

First of our new series: Aha Moment

We're finally debuting our new Aha Moment video series. The idea is a short and to-the-point video with zero fluff. Rather than waste any time, we cut right to the chase and make the 5-10 minute running time give you as much info as you'll get in a 20-40 minute segment of a live guest video. This one answers the question we repeatedly get about using graphite on the rails. We show you how we've found to apply it for maximum effect with virtually no impact on loco traction.

Joe Fugate​
Publisher, Model Railroad Hobbyist magazine

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Luke Towan

Perfect!

What a great presentation Joe!

I definitely learnt something new, I knew graphite was great for electrical conductivity but had no idea how to apply it properly.

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joef

Thanks, Luke

Luke, glad you found it useful! How to apply the graphite properly is probably the most common question we see, so I thought I would just show people how it's done. If you apply it as shown, you should have very little problem with a loss of traction yet see the definite conductivity benefit. This also demonstrates how the Aha Moment series is intended to work -- tightly edited to cut to the chase with nothing but meat for the entire video run. It packs a lot into a very quick video -- we're all busy so let's just cut out all the fluff.

Joe Fugate​
Publisher, Model Railroad Hobbyist magazine

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Janet N

Quick and to the point.

I liked it.  It explained the problem, gave a solution, and showed how to apply the solution.

Been using the 4B graphite bar for a while.  Bought one at the local arts&craft using one of those 50% off coupons, so it was $2 to give it a try.

Got it right after reading about it in the Run-like-a-dream Trackwork ebook.

Great series.  Looking forward to the last one in the series, Locomotives.

Unless you extend it with a Run-like-a-dream Electronics, Power Supplies, and Signalling ebook. wink wink

Janet N.

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PennCentral99

Meets the Objective

of "short and to-the-point video with zero fluff". As far as the content/subject matter......after application, is the graphite stationary or do the wheels move it along the track? Do we need to be careful around turnouts (frogs and points)? I've seen graphite rods for mechanical pencils labeled 4B, same thing? I probably have some of those rods laying around the house, could save a trip to Michael's.

Thanks, Terry

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Pennsy_Nut

Just a little help.

First of all, I couldn't view the entire video made by Joe. But. I've used graphite and it works. I just dabbed a bit every here and there on the inside edge of the rails and let the cars spread it over the track - to answer the first question. Yes, I didn't touch the turnout points or such. Just a dab on the rails where it's safe and the cars spreading take away any danger of damaging the points, etc. Graphite rods such as 4b are the correct ones. The 4 is softer than the 2, etc. If any of this is wrong, or Joe disputes, he's welcome to correct anything I say. He's the expert because he has a larger layout. Mine is just a shelf and is easy to use graphite. Once every 6 months or so I re-clean with alcohol and reapply graphite. I little bit goes a LOOOONG way.

Morgan Bilbo, DCS50, UR93, UT4D, SPROG IIv4, JMRI. PRR 1952.

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Pennsy_Nut

A correction.

I said 4 is softer than 2. That may be backwards. The main point is to use a soft graphite. I would think that if the graphite is too hard, it would be harder to tell if you have too much. I use a very soft graphite and dab with my finger in a soft cloth/t shirt. That way, as I go along, can tell it there's too much. Wipe it off immediately and go on. Don't try to re-apply. Those cars will spread it along the rails well enough. I hope I didn't confuse anyone about pencil leads. I simply don't remember. And I had used a lot of different leads when drafting and drawing.

Morgan Bilbo, DCS50, UR93, UT4D, SPROG IIv4, JMRI. PRR 1952.

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Rick Sutton

Graphite stick and pencil grading for hardness

20levels.jpg 

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joef

Yes 4B is softer

Yes, 4B is softer than 2B. They make graphite harder by mixing it with clay. A little bit of clay is helpful because it keeps it from just turning to powder immediately. 4B seems to be the proper balance between too soft that it just falls off the rails and hard enough that it will stay put when you apply it. The graphite they use in motors is often mixed with some pretty fancy materials like copper or molybdenum to make it much harder for long life, yet still conductive. Motor brush graphite is generally too hard and impractical for application on model railroad track.

Joe Fugate​
Publisher, Model Railroad Hobbyist magazine

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Pennsy_Nut

Thank YOU Joe

Now that's what I call a clarification. A 2H is what is a standard wood pencil of quality/like Ticonderoga. As I mentioned, I use a relatively soft graphite. Soft enough that it will make dust if dabbed too hard. That way, I know when I have "just enough" on the rail. I found in my pencil stash, just now, a large drawing pencil printing almost invisible, but I can read "000" or "OOO". As thick as any pencil I've seen and is so soft, I might try it to see what it's like. On first glance though, it seems way too soft. I don't worry, I still have a huge saved bunch of lead shavings. No wood, no metal, etc. Just right for my track. And plenty more plain lead of whatever grade I want. Not as many as the chart above, but at least 6 different leads. Thanks again to Joe. "You the man!"

Morgan Bilbo, DCS50, UR93, UT4D, SPROG IIv4, JMRI. PRR 1952.

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Oztrainz

For Terry

Hi Terry,

Your 4B mechanical pencil rods will do just fine. The 4B rods will be very close if not exactly the same chemical make up as the graphite blocks shown in the video. Your mechanical pencil body will protect the 4B rod from breakage.  

For your rods, may I suggest a subtly different mode of application? If you snap the point off one of the rods and go in at about a 45-degree angle to the edge highlighted in the video, the rod stump will quickly wear to a groove that will fit the rail head. This will make application very easy.  

You do not have to mash the graphite rod or stick through the railhead. A light pressure just firm enough to maintain contact between the graphite and the railhead is more than sufficient to do the job. 

Remember - Clean your tracks and wheels very well first, apply a light "swipe" along the railhead as indicated in the video, and, run some trains. If you can see it, then you are applying graphite in too thick a layer.

Regards,

John Garaty

Unanderra in oz

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PennCentral99

Thanks

Thanks to everyone for their feedback, much appreciated!

Terry

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