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 | | Re: New inline 4 cylinder Pneumatic Engine - No valves.
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| "Rick Clark" <jrclark@nospam.aol.com> wrote in message news:JD0Ap8.6Mt@lugnet.com... (...) OK, We are waiting for the details. Really has my head spinning trying to figure out the timing. Bob (18 years ago, 6-Feb-07, to lugnet.technic)
| | | | | Mechanical obstacle avoider 2
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| Here is another 100% mechanical "obstacle-avoiding rover". Like my previous attempt at: (URL) has only one motor and no electronics. This one is based on a simpler principle. The left and right sides operate independently - on each side the wheel (...) (18 years ago, 6-Feb-07, to lugnet.technic)
| | | | | Re: New inline 4 cylinder Pneumatic Engine - No valves.
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| (...) Very interested. I'm always on the lookout for new cam designs. The engine's very cool, although I can't quite visualize the motion. Thanks! Rick C. (18 years ago, 5-Feb-07, to lugnet.technic, FTX)
| | | | | NXT controlled Red Quad
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| (URL) NXT controlled Red Quad> - completed 2-3-07 (URL) controlled Red Quad>> Motorized tail - neck and head (3 URLs) Ultrasonic - Touch and Sound Sensors (URL) Sensor>> (URL) Sensor>> (URL) Sensor>> Custom eye lights courtesy HiTechnic - 68.8 x 36 (...) (18 years ago, 4-Feb-07, to lugnet.announce.moc, lugnet.robotics.nxt, lugnet.technic, lugnet.build.mecha, FTX) !!
| | | | | New inline 4 cylinder Pneumatic Engine - No valves.
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| Not quite the same old inline 4 underneath - this engine is only single acting, because to make it double acting would mean double the amount of t-pieces and cables, which is already a lot. anyway, no valves in this engine at all, just a mechanism (...) (18 years ago, 3-Feb-07, to lugnet.technic, lugnet.announce.moc, FTX) !
| | | | | New modded parts
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| Here's an update on my parts experiments. I've added quite a few Technic parts: (URL) expansion link (URL) , based on a 1x3 thin liftarm, allows an axle or peg to slide in the 1x2 slotted hole. Very useful for steam engines: (URL) (It would go (...) (18 years ago, 2-Feb-07, to lugnet.parts.mod, lugnet.loc.uk, lugnet.announce.moc, lugnet.parts.custom, lugnet.technic)
| | | | | Re: R/C skid steer test
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| (...) Nice idea. I made a similar prototype some time ago, which does not need a battery pack, but which can not have both tracks running in opposite direction. Some images here: (URL) Julien (18 years ago, 2-Feb-07, to lugnet.org.ca.rtltoronto, lugnet.technic)
| | | | | R/C skid steer test
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| Well- I finally got around to testing the idea of a R/C tank. I built a little test rig just to see how it would work. The idea is an adder/subtractor drive, with the R/C "drive" output goes to a motor on the base input and the steering output tied (...) (18 years ago, 1-Feb-07, to lugnet.org.ca.rtltoronto, lugnet.technic)
| | | | | Re: Mindstorms question
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| (...) Heh, I wondered why this discussion was in .technic . . . :) (18 years ago, 1-Feb-07, to lugnet.technic)
| | | | | Re: FTX links (was: Request: 1/19 scale)
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| (...) For those links to work, you need to set the format to FTX before posting, using the combo list just below the subject. HTH ROSCO (18 years ago, 1-Feb-07, to lugnet.build, lugnet.technic, lugnet.publish)
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