Re: [mowbot] Blades and string

Monta Elkins (Monta nospam at vt.edu)
Wed, 25 Sep 1996 08:53:03 -0400

John D. Sotack wrote:
>
> You might be able to provide some protection for the "cutter" by placing a
> gratting of parallel members over the blade. The spaces between the
> members would be parallel to the direction of motion of the mowbot and
> spaced closely enough together to prevent a finger from entering.

True, but I think efficiency of the cutting device would
be reduced in proportion to the covered area, say 25%,
offsetting the additional efficiency of the blade.

A circular boundary maybe the best for blades, though
a blade still makes me a little nervous.

-Monta

> ----------
> > From: Monta Elkins <Monta nospam at vt.edu>
> > To: mowbot nospam at dragon.swansea.linux.org.uk
> > Subject: [mowbot] Blades and string
> > Date: Tuesday, September 24, 1996 6:49 AM
> >
> > Dave Everett wrote:
> >
> > > All my previous research has shown that the best way is with a high
> > > speed blade. The grass blades are very flexible, and they just bend
> over
> > > unless struck with enough force.
> >
> >
> > A blade probably is the most efficient way to cut.
> > It would have to be well protected before I'd let
> > it roam my backyard though.
> >
> > I think even small mammals could survive a few seconds
> > contact with a string trimmer (before running away);
> > not sure the same is true of a blade.
> >
> >
> >
> > --
> > -Monta Elkins
> >
> > ---------------------------------------------------------
> > | "All that is necessary for evil to triumph is |
> > | for good men to do nothing." -- Edmund Burke |
> > | Monta nospam at bev.net ----------------- http://www.bev.net |
> > | System Administrator - Blacksburg Electronic Village |
> > ---------------------------------------------------------

-- 
-Monta Elkins


---------------------------------------------------------
| "All that is necessary for evil to triumph is         |
|      for good men to do nothing." -- Edmund Burke     | 
|  Monta nospam at bev.net  -----------------  http://www.bev.net |
|  System Administrator - Blacksburg Electronic Village |
---------------------------------------------------------