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 Robotics / 19610
19609  |  19611
Subject: 
"real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
Newsgroups: 
lugnet.robotics
Date: 
Tue, 26 Nov 2002 14:45:32 GMT
Original-From: 
Marco Correia <MARCO@saynotospamSOPORCEL.PT>
Reply-To: 
<MARCO@SOPORCEL.stopspamPT>
Viewed: 
3022 times
  
Ok, so we have the 4, 3 and 2 (LegWay :) wheel bots...
and the 8, 6, 3, 2, 1(?) leg BOTs.

...but, what about a 0 (zero) Wheel / Leg Bot ?

Ok, there's the pseudo-flying bots :)) but, apart from some trials with
blimps (helium balloons?) and pseudo-Helicopters and drawings for
delta-wings solutions... is there a Hovercraft-type solution ?

Questions:

1) Has anyone done / tried this ?

2) Is there a LEGO-only solution to this ?
(the "rubber" around to trap the air flow underneath doesn't count.)
Even if all the Batteries and/or the controlling unit (be it an RCX or the
radio receiver from RC Buggy) not onboard.

3) Is there a LEGO-only way to generate enough air flow (pressure) ?

One solution to "trap" the air underneath the unit is to build a LEGO
framework (as light as possible) and then use plastic film (that used to
keep vegetables fresh etc) to create something like the bottom of an
hovercraft.

...I'm going to make some tests at home, but I don't think it'll work. But
at least I tried :)

mc.



Message has 4 Replies:
  Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
 
(...) I'd be interested in knowing how this works. The ZNAP green helicopter set (which I got three of last year at $9 each!) had some little round turbine-like parts, basically a ducted fan. Never tried them out to see if they're actually (...) (22 years ago, 26-Nov-02, to lugnet.robotics)
  Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
 
(...) The experiments we've done with the helicopter suggest that you can generate some pretty impressive volumes of fairly slow moving air - but high speed/low volume is hard. The RDS insect wings that we used on our helicopter work really well, (...) (22 years ago, 26-Nov-02, to lugnet.robotics)
  Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
 
(...) (URL) is a nice project, they built a human-powered hovercraft that was just able to lift a person from the ground. I read a dutch article on it, they also refer to a few books on hovercraft design. (...) The project above uses styrofoam to (...) (22 years ago, 27-Nov-02, to lugnet.robotics)
  RE: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
 
While doing my initial searches to check if this could be done, I found this: (URL) a look at this: "What is the coolest model you have ever built? Apart from the destroyer I mentioned above, I think that the coolest models I have made are the (...) (22 years ago, 28-Nov-02, to lugnet.robotics, lugnet.lego.direct)

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