[mowbot] Mowbot

Ron Woodward (RWoodward nospam at gnn.com)
Wed, 25 Sep 1996 00:27:44

>I think as a minimum, a 3 wheel platform, where each wheel exerts equal
>pressure
>on the ground is the best compromise. This can still be done in a
>circular base, I
>have one here to prove that, just move the axle forward about half way
>and place
>the castor at the rear. Of course doing this negates the ability to
>perform

If we use 4wheels;two driven and two caser wheels and put the two casters
on a pivioting axel we can get the stability of a 4 wheel system with the
ground hugging ability of the three wheel system.

Crude diagram follows:

caster drive
Wheel wheel
____ /\ __________
o|____| |__________|
f || \/
r || -----------------------------------
o || | |
n || | |
t || | |
_ || | |
/| || | |
( ||==| Front axel pivot |
_| || | |
|| | |
a || | |
x || | |
e || | |
l || -----------------------------------
|| ____ /\ __________
o|____| |__________|
\/
caster drive
wheel wheel

These stupid text digrams take forever to draw :-(.

Ron