 | | Re: Vehicle with square wheels —Philippe Hurbain
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| | | (...) (snip) (...) I finally got it to work... (click for bigger images) (3 URLs) ...and a short <sw1.avi video clip> (600k, DivX 5 AVI file). Enjoy ! Philo (18 years ago, 9-Dec-05, to lugnet.technic, FTX)
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| | | | | Re: Vehicle with square wheels —Philippe Hurbain
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| | | | | Sorry, bad link. (URL) Video clip> (600k, DivX 5 AVI file). Philo (18 years ago, 9-Dec-05, to lugnet.technic, FTX)
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| | | | | Re: Vehicle with square wheels —Jordan Bradford
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| | | | (...) Fantastic work. I hadn't even started my attempt. I like your using the battery box as the weight -- it's very simple and compact. I noticed from the video that it tends to veer left. Are the wheels losing traction when they're fully flat? (18 years ago, 12-Dec-05, to lugnet.technic, FTX)
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| | | | | | Re: Vehicle with square wheels —Philippe Hurbain
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| | | | (...) I think the veer left comes from gear backlash. Front and rear wheels are not maintained strictly 22.5° apart and the way it works, this introduces left/right dissymetry. My first attempt used 3 z24 gears with less backlash but of couse I (...) (18 years ago, 12-Dec-05, to lugnet.technic)
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| | | | | | Re: Vehicle with square wheels —Jordan Bradford
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| | | | (...) I built one similar to yours last night (I put gears on both sides as an experiment). You're correct that it's the gear backlash that causes the wheels to not quite turn at the same time. Pushing the wheels down manually with your finger is a (...) (18 years ago, 14-Dec-05, to lugnet.technic)
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| | | | | | Re: Vehicle with square wheels —Alexander Holroyd
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| | | | Here is my attempt (not as elegant as Philo's!) I used old half bushes in a slightly different way. Gear lash seems pretty low. The gear train for the rotating weight needs some work though... (URL) Alexander (18 years ago, 15-Dec-05, to lugnet.technic)
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