 | | Re: Backlash in Lego Gear Trains
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Give Bob Fay an email rfay@we.mediaone.net a lot of his models have to deal with gear bcklash accurately . Perhaps get him to reply to your post here (if his response doesn't beat this post). (URL) Mattson" <mattson@byu.edu> wrote in message (...) (25 years ago, 9-Jan-01, to lugnet.technic)
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| | Re: How rare is...
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(...) I still remember looking longingly at the catalogue at this set. I still am, boy do I want a 912 now. junior (25 years ago, 9-Jan-01, to lugnet.db.inv, lugnet.general, lugnet.technic)
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| | Re: How rare is...
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(...) A 2x4 brick? (25 years ago, 9-Jan-01, to lugnet.general, lugnet.technic)
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| | Re: How rare is...
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Thanks all. I got my answer. It was an extra from my Space Shuttle. Heres another one a BRICK with Technic axle holes in ALL sides. -- Kenneth A. Drumm Ph.D. (25 years ago, 9-Jan-01, to lugnet.general, lugnet.technic)
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| | Re: How rare is...
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(...) There are two 5.5 with stop and one #12 (or was it #10?) in ZNAP set 3521: (URL) of the sets I bought had a damaged long axle, I'll take som photos of it. It's been ruined in the mold or while still warm. (I bought two copies to get four 6582 (...) (25 years ago, 9-Jan-01, to lugnet.general, lugnet.technic)
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| | Re: Backlash in Lego Gear Trains
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Aren't the new style "fat" gears much tighter? KL (...) (25 years ago, 9-Jan-01, to lugnet.technic)
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| | Re: Backlash in Lego Gear Trains
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Try to measure the quantity you are interested in as directly as possible. If you have to count rotations do it at the output of the gear train not the input. For a given quality of gear (TLC's gears are certainly not AGMA 10s !) you have to strike (...) (25 years ago, 9-Jan-01, to lugnet.technic)
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| | Re: Backlash in Lego Gear Trains
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(...) If you are building a scanning thing, this works really well. I built a camera that used the Lego light sensor, and I would get zig-zags between scan lines. I changed the software to wind it all the way back and scan from the same direction (...) (25 years ago, 9-Jan-01, to lugnet.technic)
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| | Re: Shame, Shame...."plastic" rubber tires in new technic
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The plastic wheels work well when you cannot use a clutch gear or pulley belt to protect a motor from excessive resistance. Rrubber wheels do not yield well on some driving surfaces when an obstacle stops the vehicle. Plastic wheels spin and, so, (...) (25 years ago, 9-Jan-01, to lugnet.technic, lugnet.edu)
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| | Re: Backlash in Lego Gear Trains
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Same problem. The more you try to reduce backlash, the more friction you get. ROSCO "Chris Mattson" <mattson@byu.edu> wrote in message news:G6v27B.GAn@lugnet.com... (...) (25 years ago, 8-Jan-01, to lugnet.technic)
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