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Subject: 
Re: gear pulley/release system
Newsgroups: 
lugnet.robotics
Date: 
Wed, 25 Jun 2003 22:04:03 GMT
Viewed: 
862 times
  
The only thing I can come up with just now is this:
http://www.brickshelf.com/gallery/Phoenix/Diverse/shooter.jpg

The arrow points in the direction that the blue 1x16 brick is moved to
charge. At the end of this closest to the camera there should be
rubberbands.
When the brick is almost back the small arm with the gears flips over and
releases the rubberbandloaded brick and shoot it forward.

That was the theory, I don't know if it will work since I have not tested it
yet  :)

Regards
http://www.brickshelf.com/cgi-bin/gallery.cgi?m=Phoenix

"miguel agullo" <technicpuppy@yahoo.com> wrote in message
news:HGrutz.Mp1@lugnet.com...
In lugnet.robotics, Richard Diaz <richdiaz99@yahoo.com> wrote:
I have looked all over the forums and archives and
still have not found quite what I am looking for. A
cocking mechanisim for a cannon.

I need a 1x16 beam (the 'bolt', held by rubber bands)
to be pulled back and released down an 2x16 chamber
pushing out a small projectile (marble). I have to use
a single motor with gears/pullys/whatever... Sure I
can crank it back but how do I release the 1x16 beam?
This also needs to recycle after firing...

if you know of images or arcticles about this please
point me in the right direction...

thanks,

Rich


How about using a caster wheel? I used it for a jumping mechanism, but I • think
it can also be adapted for a cannon like you describe. Using 1 motor, it • keeps
firing over and over

<http://www.geocities.com/technicpuppy/jumpobot/jmpindex.html>



Message has 1 Reply:
  Re: gear pulley/release system
 
Cool! How does the gear flip? Changing the motor to Float? Rich (...) (URL) (...) (URL) (...) (URL) (...) (URL) you Yahoo!? SBC Yahoo! DSL - Now only $29.95 per month! (URL) (21 years ago, 25-Jun-03, to lugnet.robotics)

Message is in Reply To:
  Re: gear pulley/release system
 
(...) How about using a caster wheel? I used it for a jumping mechanism, but I think it can also be adapted for a cannon like you describe. Using 1 motor, it keeps firing over and over (URL) (21 years ago, 20-Jun-03, to lugnet.robotics, FTX)

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