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I would like share a success story to give encouragement to others. I was able to get BrickOS 0.2.6.09 installed on my computer. I'm far from being a computer expert and would consider myself a beginner. I didn't use the pre-built compiler available (...) (23 years ago, 1-Dec-02, to lugnet.robotics)
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| | RCX Tank Base
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(...) A rotating disk with one or two teeth is much easier and very effective. You can store a lot of energy that way. My finger still hurts from where I was experimenting yesterday with a 5cm steel bar on a cheap motor. With an axe it's difficult (...) (23 years ago, 1-Dec-02, to lugnet.robotics)
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| | Re: hovercraft
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Paul, this looks really impressive. For such nice developments I alwasy have room, so if you're interested to make use of the space I've avaiable, contact me at nospam_s.mientki@mailbox.kun.nl (remove "nospam_") best regards, Stef Mientki (...) (23 years ago, 30-Nov-02, to lugnet.robotics)
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| | Re: hovercraft
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Pixel: Congratulations. (...) WOW!! I want to type a bunch of stuff.. but I'm overwhelmed. (...) One small point. If you have access to a volt meter, could you check if your wall transformer really is putting out 12Vdc. Many of those adjustable (...) (23 years ago, 30-Nov-02, to lugnet.robotics)
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| | serial tower programming driver for windows 2000?
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I want to know if there is a driver of a specific sort that is done for windows 2000? /M (23 years ago, 1-Dec-02, to lugnet.robotics)
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| | hovercraft
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hi all now i think it's time to present you my application of as pure as possible lego hovercraft (URL) got 5 movies in mov format but my site is too small so if someone has some room for my movies... all of them have 19.3M the only one tricky point (...) (23 years ago, 30-Nov-02, to lugnet.robotics)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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"Jim Choate" <lego-robotics@crynwr.com> wrote in message news:Pine.LNX.4.33.0...ssz.com... (...) no comments man! i've been asking rhetotical :)))) i've got fun experimenting even if i know they lead to nowhere (...) what is with your sense of (...) (23 years ago, 30-Nov-02, to lugnet.robotics)
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| | Suggestion: Provide precompiled Cygwin h8300 gcc+binutils, downloadable via Cygwin setup.
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Compiling your own compiler is undoubtably the hardest barrier of entry to brickos. I suggest that the h8300 binutils and gcc be distributed as Cygwin packages from the brickos website. This would simplify the install to merely running Cygwin setup, (...) (23 years ago, 30-Nov-02, to lugnet.robotics.rcx.legos)
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| | RCX Tank Base
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I've finally posted pictures of my RCX Tank Base: (URL) of the RCX Tank Base One include: ==>Remote driving using the Ultimate Accessories remote. ==>Suspension using ten black spring mounts. ==>"Equal" forward driving using a 24 gear clutch and (...) (23 years ago, 30-Nov-02, to lugnet.technic, lugnet.robotics)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) We're not talking about hovercraft here at -all-. We -are- talking about the assertion that 'mass is equivalent to weight on the planet Earth'. It isn't, ever. A vector is -never- equivalent to a scalar, basic dimensional analysis; basic (...) (23 years ago, 30-Nov-02, to lugnet.robotics)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) And if we were talking about a hovercraft in an elevator - I'd be agreeing with you. Dumb pedantry doesn't work here. The **WEIGHT** of the hovercraft is just as important/relevent/applicable as the **MASS** of the hovercraft when we are (...) (23 years ago, 30-Nov-02, to lugnet.robotics)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) Ok, remember you asked... Let's take example 1- You're in an elevator. The elevator goes down. Your weight decreases but your mass does not. Q: Where did the weight go? Did you mass change? Example 2- Take a 1lb weight and a scale. Scenario a: (...) (23 years ago, 30-Nov-02, to lugnet.robotics)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) How? It seems to me that as long as acceleration due to gravity is constant (i.e. same altitude, same planet; in this case, 9.8 m/s/s) then weight and mass have a simple proportional relationship. (23 years ago, 30-Nov-02, to lugnet.robotics)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) That's a pretty basic physics mistake <shrug>. -- ___...___ We don't see things as they are, ravage@ssz.com we see them as we are. www.ssz.com jchoate@open-forge.org Anais Nin www.open-forge.org ---...--- (23 years ago, 29-Nov-02, to lugnet.robotics)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) So long as we are down here on the surface of the earth talking about the air pressure under the skirt of a hovercraft and whether it'll lift or not, weight and mass are equivelent concepts. (...) Yes - I understand that. (...) Yes...although (...) (23 years ago, 29-Nov-02, to lugnet.robotics)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) I think you need a MUCH bigger area under the craft. If all the motors and stuff on top weighed (say) 100 grams, and you have just 16cm diameter skirt then you need a pressure of: 0.1 / (PI x 0.008 x 0.008 ) kilograms/square meter ...in order (...) (23 years ago, 29-Nov-02, to lugnet.robotics)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) So is Hans Madsen on this list? I'm always skeptical of things that are just throwaway lines like that...was this pure lego? How much cheating was involved? There was a couple of photos of a lego helocopter that could really fly on the list a (...) (23 years ago, 29-Nov-02, to lugnet.robotics)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) We aren't interested in power, we're interested in moving a volume of air. They are very fast, high rpm. Trade off rpm with suitable gearing. You may need two or more (which is why small may be better). I've never used them myself except for (...) (23 years ago, 29-Nov-02, to lugnet.robotics)
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| | RE: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) Get rid of this fixation with 'lift own weight' (you're -completely- ignoring the -primary- factor of time). Consider the exhaust of a car, pump it into a bag and you can lift the car to change the tire but you can stop the car by simply (...) (23 years ago, 29-Nov-02, to lugnet.robotics)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) There's an echo in here ;)...you'll get to the answer faster if you'll think of mass and force instead of weight. (...) Which is where the ratio of the input plenum to the skirt (the output plenum) comes into play. (...) No, that's a function (...) (23 years ago, 29-Nov-02, to lugnet.robotics)
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