Subject:
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Re: BBB Inspire Swiss Ae 3/6" Electric Locomotive Model
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Newsgroups:
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lugnet.trains
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Date:
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Tue, 11 Nov 2003 15:03:41 GMT
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Viewed:
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1728 times
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In lugnet.trains, Larry Pieniazek wrote:
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In lugnet.trains, Tim David wrote:
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I was very impressed to find that a 3-in-a-row configuration of the BBB
wheels with flanges can pass through track curves: allowing the center
wheel set to translate in/out seems just fine. I haven’t tested through
switches. Also, in the same 3-in-a-row configuration, I connected two
adjacent wheels with the Technic steering arm, using the black Technic
1/2-pin with ball. The flexure at the ball joints seems OK to still allow
the necessary central axle translation through the curve.
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On thing I was wondering with these wheels is how to do a full coupling rod
for rigid six coupled chassis, would this work?
http://www.brickshelf.com/cgi-bin/gallery.cgi?i=571334
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Needs to be deeplinked. This is not a deeplink it doesn’t end in a file
extension... I’ll say I myself haven’t cracked the full crank yet across a 6
couple that doesn’t have a pair of blind drivers, but I’m working on it!
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I tried posting on this subject over the weekend, but of course Lugnet was in a
‘funk’...
I was eyeballing a set of three of the BBB wheels as they went around “those
pesky tight Lego curves”. I looks like you’ll need about one brick of ‘play’
for the middle wheel, a half-brick towards the inside, and a half-brick towards
the outside. I would have thought you’d need more, but that’s all it takes.
So my idea is to use a Technic axle in the ‘peg hole’, using a Technic cam
behind the wheel to hold it in place. That way you could use liftarms as your
pushrods, and have them fixed on the front and rear axle, and able to slide on
the middle wheel. Of course you’d have to push them out an extra half-stud to
gain the clearance around the outside of the corner, but it shouldn’t be too
noticable...
Otherwise, shave the flange off the middle axle, and don’t worry about it moving
at all! *grin*
Hmmm... I’m at home today, waiting for my #4400s from Shop@Home -- it might be
a good day to pull out the Dremel and do some de-flanging! ;-)
JohnG, GMLTC
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Message is in Reply To:
 | | Re: BBB Inspire Swiss Ae 3/6" Electric Locomotive Model
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| (...) Needs to be deeplinked. This is not a deeplink it doesn't end in a file extension... I'll say I myself haven't cracked the full crank yet across a 6 couple that doesn't have a pair of blind drivers, but I'm working on it! (...) Yes. Early (...) (21 years ago, 11-Nov-03, to lugnet.trains, FTX)
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