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My adventure into PennLUG

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Re: My adventure into PennLUG

Post  Brickadier General on Sun Jan 29, 2012 8:22 pm

Hi Bob, and welcome. You're take on the Super Chief is great, and some others made some positive comments about it, too: http://pennlug.forum-motion.com/t761-brickworld-2012-request#5564


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Re: My adventure into PennLUG

Post  maarek on Sun Jan 29, 2012 11:59 pm

we're not a secretive bunch but their is a members only space where I posted it. Sorry I should've linked you directly to it. (Even still, might not work) until your membership is elevated.

Just trying to kept the spambots, and other riff-raft out.

Jim

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Re: My adventure into PennLUG

Post  Shuppiluliumas on Mon Jan 30, 2012 12:07 pm

Now that you're posting in here, let me give you a fuller response. We haven't yet decided exactly what will be going to Brickworld this year. We probably won't bring a layout of the same size we did last year. That's fairly difficult with only 4 or 5 people to set it up. We will be bringing our trains and some sort of layout to run them on, though, and also plenty of yard space for display (though all these long trains are filling up our yard pretty quickly these days!) I built the 20th century Limited, but I learned most of what I know from Cale and Josh, who have been at this a lot longer than I have. If you have questions about motorizing your locomotives, I'd be happy to help, as would they, I'm sure. Here's my photos of the Limited, with some showing how the motors are set up:

http://www.flickr.com/photos/34338074@N06/sets/72157625841592802/

Those motorized trucks are attached to the locomotives via 4x4 turntables. The motors are fixed inside the locomotives, and are geared up 5:3 before power reaches the trucks. It's not terribly fast, but the 4 Power Functions XL motors have no problem pulling the train. One locomotive and 2 motors is basically enough; the batteries just don't last as long that way. I'm looking at coaxing more speed out of them via a truck design that Cale came up with, so I'll let you know if I have luck with that.

As for magnets, no, LEGO couplers will pull apart with that much weight (I'm sure all those 1x2 grill bricks add up!) We use neodymium "rare earth" magnets and just put them between the regular magnets. That way it's still easy to pull the coaches apart when needed. They come in every size and shape you can imagine, but we try to find thin discs so as not to increase the space between the coaches.

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Re: My adventure into PennLUG

Post  Shuppiluliumas on Mon Jan 30, 2012 6:43 pm

The major advantages are power, scalability and flexibility. 9v motors are reasonably powerful, but they are no match for PF XL motors. I imagine it would take a few 9v motors to get your whole train moving. Gearing the motors gives you control of the kind of speed/power ratio you want to build into your design. it also lets you choose where the power will go, as in the Emerald Night. You really can't power steam locomotive drivers with the new PF train motor, and obviously not with the 9v. Having to build your powered trucks from scratch can be a pain, but the result is you can have any shape and wheel type you want.

There are two battery types we use now, though any 9v battery will work. LEGO has made 2 specifically for trains:

http://www.bricklink.com/catalogItem.asp?P=84599

http://www.bricklink.com/catalogItem.asp?P=87513c01

The first is a lithium ion rechargeable, the second takes 6 AAAs. They're smaller and easier to integrate into a locomotive. Still, the battery is definitely the downside of the PF system. Having to change them every 2-3 hours at a show is a bit of a bummer. The remote control is ok, but it's IR and its range is really limited in a large open space.

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Re: My adventure into PennLUG

Post  joshua sanders on Mon Jan 30, 2012 8:16 pm

As for magnets... http://www.kjmagnetics.com/ K&J Magnetics is where I get the strong Neodymium Disc Magnets. I don't remember what size I got, but they are just the diameter of the old magnetic couplers. I got ones that were pretty thin, but they work great, while Cale got thicker ones... it's all preference...
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Re: My adventure into PennLUG

Post  ctbyrne on Tue Jan 31, 2012 2:22 pm

I've got a buyer who has those 2x3 bricks reserved in my store whenever I get them in stock. He has bought 40 of them from me to date. I got them all from the Atlantis set 8077.
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