 | | Re: New German Loco: Green DB139 and more
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Larry Pieniazek wrote in message ... (...) stripe (...) used (...) the (...) If you're meaning the green 1x2x1.3 rounded top w/side plate doothingy, they're in the Flash Speeder (12 of them). Looks like James also used the green 1x4x1.3 rounded top (...) (25 years ago, 28-Mar-00, to lugnet.trains)
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| | Re: matching motor speeds on mutli-motor trains
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(...) Just add about $1 worth of pennies to your locos...that works great as ballast. I had my Metroliner with a battery box in it for a while (6V, by blanking 2 batteries off) and it ran fine up and down any imaginable hill. James (25 years ago, 28-Mar-00, to lugnet.trains)
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| | Re: matching motor speeds on mutli-motor trains
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(...) I would recommend running 1 motor with a standard payload. Put it at the start of the track. Then time how long it takes to get to point B. Switch motors and repeat. Also. You can also set the power for an amount of time. Then measure to see (...) (25 years ago, 27-Mar-00, to lugnet.trains)
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| | Re: matching motor speeds on mutli-motor trains
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(...) I've noticed that the small (and stupid) engines that come with the 4559 & 4560/1 slip VERY easy. The 4565 engine is pretty good. But the all time best is my RCX Train. With the RCX right above the motor it NEVER slips! Even with 20 cars! The (...) (25 years ago, 27-Mar-00, to lugnet.trains)
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| | Re: New German Loco: Green DB139 and more
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(...) I believe it is. Livery seems to be Continental usage, you don't hear it used much stateside, but once in a while you do instead of Color Scheme.... (...) basic shape down nicely. What set are those green round corners from? Isn't (wasn't) the (...) (25 years ago, 27-Mar-00, to lugnet.trains)
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| | New German Loco: Green DB139 and more
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One new model and new pictures of old models. The new model is of a German electric locomotive called a DB 139. My version attempts to approximate a likeness in its green with white stripe livery(?right word to mean color scheme?). (URL) are some (...) (25 years ago, 27-Mar-00, to lugnet.trains) !
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| | Re: Maglev Train
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(...) No idea yet. Alan (25 years ago, 27-Mar-00, to lugnet.trains, lugnet.town)
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| | Re: matching motor speeds on mutli-motor trains
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(...) That could be a problem, but I wouldn't expect that much wheel slippage (I'd make a SWAG that the power difference which is taken up by wheel slippage would be 5% or less of the total power difference). I'd also wonder how it would compare to (...) (25 years ago, 27-Mar-00, to lugnet.trains)
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| | Re: matching motor speeds on mutli-motor trains
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(...) Another way, perhaps not as accurate, but possibly more exciting would be to set up a largish oval of track, with power connection(s) symmetrically positioned. Put the motors back-to-back at one of the power connections, and run the motors (...) (25 years ago, 27-Mar-00, to lugnet.trains)
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| | Re: matching motor speeds on mutli-motor trains
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(...) Yep, there's a black o-ring around each of the motor wheels, they ride on top of each rail. The weight of the motor helps provide traction (prototypical, eh Lar?), that's why I put at least two or three weight elements in each of my (...) (25 years ago, 27-Mar-00, to lugnet.trains)
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| | Re: matching motor speeds on mutli-motor trains
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(...) In 12V days there was a service pack available with extra rubber tires if your original ones (from the 12V motor) perished or were otherwise damaged. This service pack is now highly prized as it's been out of prod for 20ish years. I am 2000 (...) (25 years ago, 27-Mar-00, to lugnet.trains)
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| | Re: matching motor speeds on mutli-motor trains
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(...) Ya, there are 2 "standard" gearing setups, one which maxes out at something like 97 MPH and one at 112 MPH. You cannot MU otherwise compatable equipment that has the different gearings. Also, note, you cannot MU things like SW1xxx's with say (...) (25 years ago, 27-Mar-00, to lugnet.trains)
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| | Re: matching motor speeds on mutli-motor trains
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(...) problem in using multiple units together. It's hazy to me, but it revolves around gearing. I seem to recally that locos that are geared differently could not be MUed together because of the speed difference at the same throttle setting. (...) (...) (25 years ago, 27-Mar-00, to lugnet.trains)
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| | Re: matching motor speeds on mutli-motor trains
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(...) intuitively felt there wasn't a problem, but don't have the analog electrical knowledge to describe exactly how it isn't a problem. With a train motor (LEGO or real) there's another factor which will help balance extremely imbalanced motors, (...) (25 years ago, 27-Mar-00, to lugnet.trains)
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| | Re: Minifig What scale are they??
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(...) Ralph, I am creating my Classic scale LEGO town with an HO Train and track. My old yellow train station originally had a 3 track covered train shed (on my website). The shed opening originally had 1x8x2 yellow arches for the train and tracks. (...) (25 years ago, 27-Mar-00, to lugnet.build, lugnet.general, lugnet.trains, lugnet.town)
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| | Re: matching motor speeds on mutli-motor trains
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(...) loco (...) I've (...) one (...) Actually there's no problem at all. This topic has been deeply discussed in the lugnet.robotics ng: (URL) (some train specific examples in this message) (URL) (25 years ago, 27-Mar-00, to lugnet.trains)
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| | Re: matching motor speeds on mutli-motor trains
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(...) I'm not sure that this would cause that much problem unless the mismatch was very bad, unless you're really stressing out the motors with long trains (though I doubt we ever really get close to the load capacity of the motors due to the (...) (25 years ago, 27-Mar-00, to lugnet.trains)
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| | Re: Jawn Henry construction notes (was Re: infrared remote control of LEGO trains using NQC and RCX
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Wow! Thank for the construction tips! I guess I may be one step ahead then. My Big Boy's tender operates on an end slider of two attached wheelsets. I have noticed a slight uplift going in and coming out of curves, but nothing major. I guess the (...) (25 years ago, 27-Mar-00, to lugnet.trains)
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| | Re: matching motor speeds on mutli-motor trains
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(...) I've been thinking the same thing. I almost always put two motors on each loco and I'm beginning to suspect that some of my biggest mismatches, which I've perhaps left that way for too long, have actually been causing damage to one motor or (...) (25 years ago, 27-Mar-00, to lugnet.trains)
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| | Re: Jawn Henry construction notes (was Re: infrared remote control of LEGO trains using NQC and RCX
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Lar, When I read your comment I jumped up to check it out. The center slider[1] evolved from an unattached wheelset, which is why it had to be in the center. When you said end slider I thought, "Power for my SD40!" I did not try to make it, but (...) (25 years ago, 27-Mar-00, to lugnet.trains)
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