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Re: [rsa] Nice Mini-Sumo Wheels from Parallax

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  • topazx2
    That should read Nylon, I don t know what I was thinking. ... brand ... have ... part ... They ... www.acroname.com. ... after ... but ... slotted ... very ...
    Message 1 of 5 , Feb 27, 2002
      That should read Nylon, I don't know what I was thinking.


      --- In sfrsa@y..., "topazx2" <topazx2@y...> wrote:
      > The Parallax Vinal wheels are being discontinued. They will be
      > replaced by injection molded ABS wheels that a guy from Our Southern
      > Oregon group designed and is selling to them. We are using these
      brand
      > new wheels on the MarkIII mini-sumo kit that I've been helping the
      > PARTS group design and build. The new wheels are not availible
      > through Parallax yet, they should be by early March. These wheels
      have
      > better grip, using a flat surface rather than a rounded O-ring. You
      > can take a look at a finished one at:
      > http://www.1sorc.com/gallery/gallery.html
      > Our group will also be selling these wheels, and since we are all
      part
      > of RSA...
      >
      >
      > --- In sfrsa@y..., Luther Burrell <knabo99@y...> wrote:
      > > Those wheels are nice, I have a pair for my BOE-Bot. I am also
      > trying out
      > > some wheels originally intended for RC aircraft landing gear.
      They
      > come
      > > in various dimensions and have a small axle hole. So they would
      > mount
      > > somewhat similar to the 3" foam wheel tutorial at
      www.acroname.com.
      > I am
      > > about to test a sumo using these wheels so maybe we will see come
      > March
      > > 20th.
      > >
      > > Luther
      > >
      > > --- rickwashburn <rwashbur@p...> wrote:
      > > > David Caulkins suggested I check out these mini-sumo wheels
      > (partno
      > > > 700-00013 @ $5.61) offered by Parallax (www.parallaxinc.com)
      after
      > > > having some difficulty finding servo horns suitable for my
      > existing
      > > > acrylic wheels. Ordered yesterday, received today, and they are
      > > > fantastic! I'm not sure if they have been machined or molded,
      but
      > are
      > > > made of a very hard, white, plastic (delrin?) similar to what is
      > used
      > > > for servo geartrains. They are 2.25" diameter, and have a
      slotted
      > > > edge which holds a companion o-ring "tire" (700-00011 @ $.50)
      very
      > > > nicely. The best part is the hub - it is precisely the same
      > > > configuration as the hub of a standard servo horn, and fits
      > directly
      > > > on a servo output shaft - splines and all! The size is a little
      > > > smaller than "standard" mini-sumos usually use (around 2.75"),
      but
      > > > the smaller diameter will yield slightly higher torque - pushing
      > > > power. A great option if you're building a mini Sumo.
      > > >
      > > > Anyone else come across other wheel options that would be of
      > interest
      > > > for mini-sumos or other servo-powered bots?
      > > >
      > > > Rick Washburn
      > > > SFRSA
      > > >
      > > >
      > >
      > >
      > > __________________________________________________
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