 | | Re: Rail Racers at Brickfest 2002
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Related to James' straight drag race, we will have a dual "Grand Prix" course. This will involve two identical track plans (with crossings and curves) where two people race against each other without crashing or derailing. (...) (22 years ago, 7-Jun-02, to lugnet.events.brickfest, lugnet.trains)
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| | Re: Rail Racers at Brickfest 2002
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The course is a straight drag race, so no need to make the train handle curves. Just make it fast...and look cool :) jt (...) (22 years ago, 7-Jun-02, to lugnet.events.brickfest, lugnet.trains)
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| | Re: Rail Racers at Brickfest 2002
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(...) You know, I'd never looked into actually finding out what "Rail Racers" were until this post. I have to say, this is pretty cool! I'll definitely try and put an entertaining design together :) Is the course straight, or does it involve curves? (...) (22 years ago, 7-Jun-02, to lugnet.events.brickfest, lugnet.trains)
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| | Re: Motorized Switch
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"James Brown" <galliard@shades-of-night.com> wrote in message news:GxCEMC.Ayo@lugnet.com... (...) the (...) Hey! That's me!... (...) (NALUG) (...) Mario Ferrari built a sensorless version of my switch that worked well enough. I had to use the (...) (22 years ago, 7-Jun-02, to lugnet.trains, lugnet.technic)
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| | Rail Racers at Brickfest 2002
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(...) It's Rail Racers at Brickfest 2002!!! This is your chance to show the LEGO world what you are made of. We will be holding a head to head competition of Rail Racers at this year's Brickfest. You will be racing your finest built rail racer (...) (22 years ago, 7-Jun-02, to lugnet.events.brickfest, lugnet.trains, lugnet.general) !
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| | Re: Motorized Switch
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(...) I've had a couple people say that now. :) (...) Normally the switch won't even have it stalled for a few seconds; it takes less than a second of power to flip the switch over. Just tapping the button isn't *quite* enough time, but it's not (...) (22 years ago, 7-Jun-02, to lugnet.trains, lugnet.technic)
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| | Re: Motorized Switch
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(...) I had looked at that thread a while ago for ideas, but skipped a lot of the suggestions because they involved sensors or complex-seeming technic assemblies. Looking through it again, I find that my switch is *very* similar to Carlo Ottolina's (...) (22 years ago, 7-Jun-02, to lugnet.trains, lugnet.technic)
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| | Re: Motorized Switch
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(...) The instructions are updated: (URL) moved the completed model back to the top of the .mpd, although that makes the instructions feel backwards to me. thanks, James (22 years ago, 7-Jun-02, to lugnet.trains, lugnet.technic)
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| | Re: Motorized Switch
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(...) 20 minutes?!?! Yikes! I've stalled my motors often, but only for a few seconds. I imagined that would be the same situation for your switch. Leaving it on for 20 min- you're boldly going where no Technic-head has gone before... ;-) TJ p.s. I (...) (22 years ago, 7-Jun-02, to lugnet.trains, lugnet.technic)
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| | Re: Motorized Switch
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(...) Take a look at this thread: (URL) Jürgen Stuber <stuber@loria.fr> (URL) (22 years ago, 7-Jun-02, to lugnet.trains, lugnet.technic)
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| | Re: Motorized Switch
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(...) Yes, I'll update it tomorrow; I don't have MLCAD installed at home. Sorry about the poor .mpd; this is not just my first motorized switch, it's my first time using MCLAD. :) (...) Thanks! I owe a lot to other people who have done these in the (...) (22 years ago, 7-Jun-02, to lugnet.trains, lugnet.technic)
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| | Re: Motorized Switch
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<SNIP> troubleshooting time on this assembly. (...) Will you be posting a new .mpd file to your brickshelf account showing the changes? BTW the othe .mpd file was *not* right. What I mean by that is that usually when one creates a .mpd file the (...) (22 years ago, 7-Jun-02, to lugnet.trains, lugnet.technic)
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| | Re: Motorized Switch
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(...) Well, some good, some bad. The good is that leaving the motor going in one direction for 20 minutes causes no separations and no apparent stress to any parts. The bad is that it did overheat the motor, which wouldn't run again until it cooled (...) (22 years ago, 7-Jun-02, to lugnet.trains, lugnet.technic)
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| | Re: Motorized Switch
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(...) Hmm, Ok. Since it sounds like I'm not risking the motor, and I have lots of 8 tooth gears, I'm going to experiment by leaving the motor on for a while, and seeing what happens. thanks very much for the information, guys! This is exactly the (...) (22 years ago, 7-Jun-02, to lugnet.trains, lugnet.technic)
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| | Re: Motorized Switch
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(...) Yep, and with this one using an 8-tooth gear straight on the rack, even with a solid structure you'd be very likely to break the gear. If you can supply an accurately timed "pulse", that would reduce the risk, but with the geared motors, it (...) (22 years ago, 7-Jun-02, to lugnet.trains, lugnet.technic)
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| | Re: Motorized Switch
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(...) I've always been hard on my motors, stalling them often. It's never seem to affect their performance, or even damage them. The difficult part of stalling a geared motor is containing the large forces generated on the structure surrounding the (...) (22 years ago, 7-Jun-02, to lugnet.trains, lugnet.technic)
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| | Re: Motorized Switch
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(...) Ok, I guess I see that, although I could only find a couple designs, and they seemed much more complicated that necessary. (...) Hmm. Is motor damage likely to occur? The intention with this would be for either an operator or an RCX to briefly (...) (22 years ago, 6-Jun-02, to lugnet.trains, lugnet.technic)
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| | Re: Motorized Switch
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(...) It's not that, it's just this has been gone over several times before, and I'm afraid it will take a major revolution to get a new design noticed. Your's is a neat and simple design, and a new way of gripping the slider. But, it's not a very (...) (22 years ago, 6-Jun-02, to lugnet.trains)
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| | Re: Motorized Switch
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(...) I realize .trains is a little slow right now, but I'm still a little surprised that this sank without even making a ripple in the surface. I know at least a couple people have gone to look at it, with 300+ views on the folder... I was hoping (...) (22 years ago, 6-Jun-02, to lugnet.trains)
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| | 12v Trains at BrickFest! (was Re: BrickFest tentative Train agenda)
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(...) Ok folks, it's time to start really planning this. I'd like to see a huge 12v layout created which can run several trains at once. I plan on bringing at least as much track as I brought to BricksWest, which was enough for a loop with a siding (...) (22 years ago, 6-Jun-02, to lugnet.trains.org, lugnet.events.brickfest, lugnet.trains)
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