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Greg Majewski <citrusx__@yahoo.com> wrote in message
news:GA9prz.LH9@lugnet.com...
> This may sound a little bit weird, but has anyone ever built anything that
> they were actually afraid of? I think I have done just that:
>
> http://www.brickshelf.com/cgi-bin/gallery.cgi?i=37672
>
> The Spinning Wheel of Death. BattleBots affectionados might recognize this
> as an Lego replica of Jim Smentowski's Nightmare's primary weapon. Here's • a
> list of things the Lego version has done:
> Drawn blood, and not just by scratching. I got an actual laceration with
> this sucker.
> Launched a 2x4 plate into oblivion. When the wheel came in contact with a
> pile of pieces, a 2x4 went flying and I have not been able to find it. By • my
> estimates it travelled a good five feet and probably would have gone a lot
> farther if the wall had't stopped it. Searching is still going on and I • will
> check to see if I damaged the piece.
> I also tested this on a bookshelf because that was the sturdiest thing
> handy. The books on the shelf all jumped with the impact, the shelf was
> knocked off its bracket momentrily, but the wheel just stopped. No major
> damage at all.
> And lastly, this thing can saw through good solid cardboard without any
> problems.
I've been making a similar kind of thing for "Lego RoboWarriors" -- a
competition between me and a few friends, like Robot Wars/BattleBots/etc but
with Lego.
My current robot, for the 10th war, has a very large and powerful
horizontal spinning weapon using 4 motors with a 40:24 speed-increasing gear
combination. The rotating part is made from two pieces of 90-degree monorail
track in a "S" shape (not a disc), making it about 65cm (2ft) wide, and it
spins at over 300rpm -- the ends travel at almost 40km/h!
I can use it to launch 16x32 baseplates and bits of pirate ship hull
across the room (and I even decapitated a Lego Technic man with one hit!) --
I'm not sure how fast the Spinning Wheel of Death goes, but it looks fairly
small and thin so it doesn't have as much mass or momentum as my version,
and
wouldn't be as effective against heavier objects.
A few days ago I added another 2 monorail sections onto it, making it
128cm (over 4 foot) wide, but it was much slower and I decided to use the
shorter version instead :-)
The biggest problem with it is that if it's going full speed in one
direction, then suddenly reverses, my robot spins around about 180 degrees!
And I only had one motor left to drive with, so I was forced to use a slow,
complicated combination of motor and pneumatics just so that I could turn...
I 've uploaded a few pictures of it to
http://www.brickshelf.com/cgi-bin/gallery.cgi?f=3970, so have a look if
you're interested.
And I apologise if this message appears in HTML format -- I'm only using
Outlook because my normal newsreader only works with one news server :-(
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 | | Fearing Lego
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| This may sound a little bit weird, but has anyone ever built anything that they were actually afraid of? I think I have done just that: (URL) Spinning Wheel of Death. BattleBots affectionados might recognize this as an Lego replica of Jim (...) (23 years ago, 16-Mar-01, to lugnet.build, lugnet.technic)
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