Re: [rsa] Nice Mini-Sumo Wheels from Parallax
- 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
> 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
> better grip, using a flat surface rather than a rounded O-ring. You
> can take a look at a finished one at:
> Our group will also be selling these wheels, and since we are all
> 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.
> > in various dimensions and have a small axle hole. So they would
> > somewhat similar to the 3" foam wheel tutorial at
> I am
> > about to test a sumo using these wheels so maybe we will see come
> > 20th.
> > Luther
> > --- rickwashburn <rwashbur@p...> wrote:
> > > David Caulkins suggested I check out these mini-sumo wheels
> > > 700-00013 @ $5.61) offered by Parallax (www.parallaxinc.com)
> > > having some difficulty finding servo horns suitable for my
> > > acrylic wheels. Ordered yesterday, received today, and they are
> > > fantastic! I'm not sure if they have been machined or molded,
> > > made of a very hard, white, plastic (delrin?) similar to what is
> > > for servo geartrains. They are 2.25" diameter, and have a
> > > edge which holds a companion o-ring "tire" (700-00011 @ $.50)
> > > nicely. The best part is the hub - it is precisely the same
> > > configuration as the hub of a standard servo horn, and fits
> > > on a servo output shaft - splines and all! The size is a little
> > > smaller than "standard" mini-sumos usually use (around 2.75"),
> > > 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
> > > for mini-sumos or other servo-powered bots?
> > >
> > > Rick Washburn
> > > SFRSA
> > >
> > >
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