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 Robotics / 19656
19655  |  19657
Subject: 
Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
Newsgroups: 
lugnet.robotics
Date: 
Fri, 29 Nov 2002 15:35:41 GMT
Original-From: 
Steve Baker <SJBAKER1@AIRMAILantispam.NET>
Viewed: 
3517 times
  
Jim Choate wrote:

Take a look at some of these micro motors that are being used in the new
mini-RC cars. You can buy a whole car kit, radio, and controller for about
$75US.

The micro cars (the ones about an inch long) are down to $30 -
including two channel RC and battery charger.

However, the motors aren't all that powerful.

I read somewhere that the motors they are using are from the
'vibrators' inside pagers and cellphones.  I can't imagine those
being very powerful.  Their main design goal was small size and low
battery consumption.

---------------------------- Steve Baker -------------------------
HomeEmail: <sjbaker1@airmail.net>    WorkEmail: <sjbaker@link.com>
HomePage : http://web2.airmail.net/sjbaker1
Projects : http://plib.sf.net    http://tuxaqfh.sf.net
            http://tuxkart.sf.net http://prettypoly.sf.net



Message has 2 Replies:
  Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
 
(...) to how to do it... After work I'm going home and rip apart my modified 8448, take the 8475 motors out of it, and throw on a znap prop on those motors and see what the air flow's like. Putting my current project on hold, I'll try and whip (...) (22 years ago, 29-Nov-02, to lugnet.robotics)
  Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
 
(...) 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 (...) (22 years ago, 29-Nov-02, to lugnet.robotics)

Message is in Reply To:
  Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
 
(...) Bingo. (...) Take a look at some of these micro motors that are being used in the new mini-RC cars. You can buy a whole car kit, radio, and controller for about $75US. (...) A helo tail rotor is your best bet. Wood or a composite is your best (...) (22 years ago, 29-Nov-02, to lugnet.robotics)

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