 | | Re: Variable Speed, reversible pneumatic engine
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(...) Hi Paul, Sorry about the posts not making sense. The differential lets me make continuous timing adjustment through 360 degrees. The two pistons are offset by 90 degrees, as are the switches. The differential lets you set the angle between the (...) (21 years ago, 5-Jun-03, to lugnet.technic, lugnet.robotics, lugnet.build)
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| | I Win!
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(...) I ordered mine second day air before you even created the challenge. It showed up today. I've got my first walker. Not pretty, but is made exclusively from parts in 4094. I win! LOL! (URL) (...) Kevin (21 years ago, 4-Jun-03, to lugnet.technic)
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| | Where has Technica gone??
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Technica, one of the best Technics resource sites has gone. Does anyone know of a new location for it? The link I have been using is:- (URL) refer to this site often but for the past week or so haven't been able to get on to it. Regards, Bernard (21 years ago, 4-Jun-03, to lugnet.technic) !
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| | Re: Variable Speed, reversible pneumatic engine
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(...) Hi Kevin, Wow!!! You have quite a talent! Now, why is it that I have to read all your postings 3 or 4 times? If I understand right, you are able to continually adjust the timing in each direction up to 45 degrees? Other valve gears that are (...) (21 years ago, 4-Jun-03, to lugnet.technic, lugnet.robotics, lugnet.build)
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| | uCOG VI, improved leg geometry
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I hope you enjoy my 6th version of my micromotor based weight shifting walker. I've been able to eliminate the need for two parts by improving the leg geometry of uCOG V. By changing the way the drive axles attach to the foot, you can adjust the (...) (21 years ago, 4-Jun-03, to lugnet.announce.moc, lugnet.technic, lugnet.robotics, lugnet.build)
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| | Variable Speed, reversible pneumatic engine
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After reasonable feedback about the complexity of my first reversible pneumatic engine, I realized there was a very simple mechanical solution that would give reversability *and* variable speed. (URL) difference between going forward vs. backwards (...) (21 years ago, 4-Jun-03, to lugnet.announce.moc, lugnet.technic, lugnet.robotics, lugnet.build) !!
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| | Re: Zipper--the two-piece flying helicopter
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"Jona" <jona@24tooth.com> wrote in message news:HFyIFz.uL8@lugnet.com... (...) keep diging you should find more pictures and movies :))) (...) (21 years ago, 4-Jun-03, to lugnet.technic)
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| | Re: Zipper--the two-piece flying helicopter
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Until I saw this (URL) hovercraft> I took your point of view. Not I am not too sure. There is another person building an airplane wing using a Technic framework (I think axels and flex hoses) wrapped in a plastic sheet of some sort that is shrunk (...) (21 years ago, 4-Jun-03, to lugnet.technic, FTX)
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| | Re: Zipper--the two-piece flying helicopter
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"Jason J Railton" <j.j.railton@ntlworld.com> wrote in message news:HFyDvx.9IF@lugnet.com... (...) that's why i didn't say it's not possible :) i heard someone here who said the lego hovercraft will not work... (...) sorry but it not true i bougt (...) (21 years ago, 4-Jun-03, to lugnet.technic)
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| | Re: Zipper--the two-piece flying helicopter
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I seriously doubt you could build a flying machine entirely from LEGO. I know this may sound like 18th Century scoffing, but there are some good reasons for this. First is that LEGO plastic is quite dense and makes for fairly thick walls compared to (...) (21 years ago, 4-Jun-03, to lugnet.technic, FTX)
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