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Along the Octoraro & Eastern
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 Posted: Sat Nov 14th, 2009 10:40 pm
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Herb Kephart
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Woodrow, you sure know how to get a guy to laugh!! :2t:


DaHerb:old dude:



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 Posted: Wed Nov 18th, 2009 09:26 pm
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W C Greene
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Herb-when you mentioned a Varney diesel...guess what Muj has laying on his layout? I bet he doesn't remember that it's there, but it's an ugly yellow Varney SW switcher with the mentioned hunkus motor on one truck and a driveshaft between the two trucks. This old girl is sooooo old that the wheels & gears are frozen in place! I was (and still am) gonna get the thing running again, take it to a local HO club and burn up their dcc system with it! This Varney however, has a spur gear on the motor that drives a spur gear on the truck, no belt...but it don't much matter since it's still froze up. I digress...are you going to use a rubber belt or a spring belt? I repaired one of these old dudes years ago and used a Mamod spring belt made for their live steam engines to operate power tools via a shaft & belt system. Geez-I have jabbered too long.....                   get out your Brasso!          Woodrow



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 Posted: Tue Nov 24th, 2009 07:26 pm
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Herb Kephart
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The gearboxes for the trucks are finally finished.




All shafts run on roller bearings, and the worm/gear ratio is 37-1





Here they are all buttoned up. Motor is a Maxon coreless, and drive will be by rubber belt until I find a ratio that gives the speeds that I want, at which point I will cut a set of gears to connect the shafts.




Next will probably be the frame, which when the trucks are mounted, will allow the length of the telescoping shaft with universals to be determined



Herb  :old dude:




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 Posted: Wed Nov 25th, 2009 09:34 am
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Lynn
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This is a really meat project Herb.

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 Posted: Wed Nov 25th, 2009 10:08 am
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W C Greene
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OK, Herb builds a beautiful set of trucks with ball bearings and immaculate machine work to go under his fantastic boxcab...the rest of us use that crappy old Varney drive and some hacked up plastic coach parts...Herbie has made me want to learn to be a master machinest just to keep up! Damn him! Just to ease my pain, I think I will go outside and play witrh my trains...Oh geeze, when I go outside, I see Herb's stuff on my layout...

The preceeding rant is not ment to be taken seriously...I don't think Herb's fragile ego can handle it. (snark, snark..)              Boudreaux



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 Posted: Wed Nov 25th, 2009 12:33 pm
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Herb Kephart
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Who the H**L is this Herb you keep yacking about--your bookie?



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 Posted: Wed Dec 16th, 2009 11:10 pm
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Herb Kephart
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Well I finally got the universal joints to work- because the space was so tight, and the distance between the trucks varied so much when they went around my sharp curves, I had to make the slip joint sprung









and as the above fuzzy pix shows- drive from the motor to the truck is by chain



Most of the chassis parts have been blackened with commercial brass blackener, a suggestion from Woodie, so that the brass does not show through on the corners when the paint wears off from handling


Herb:old dude:



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 Posted: Wed Dec 16th, 2009 11:53 pm
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Paladin
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And they thought the Hoover Dam was  great engineering

Herb, you continue to amaze and befuddle.

Don



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 Posted: Thu Dec 17th, 2009 08:59 am
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Huw Griffiths
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Paladin wrote: And they thought the Hoover Dam was  great engineering

Herb, you continue to amaze and befuddle.

I couldn't have put it better myself - it's way out of my league.

It looks superb.

Regards,

Huw.

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 Posted: Thu Dec 17th, 2009 09:47 am
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W C Greene
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Herbie-it looks like you will keep the brass producers in business for a long time! What wonderful work, the universals look like jewelery.  I don't see any wires attached to the trucks, are you going to use magic to get the electrons to the motor?

Great work, all of us would be happy to be able to do things like this. I am inspired to do something, but it won't be anything like what you have done. Here in Dallas, there's an old machineist modeler who's name gets invoked when we see stuff like yours, now instead of great modeling being called "Waffordized", I will call it "Kephartized". Now, take your gold statue home and get back to work.  Woodrow 



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