[mowbot] Re: Mowbot blades

Doug Smith (dougs nospam at mcs.com)
Wed, 25 Sep 1996 13:28:22 -0600

>>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. I also believe that the grass tends to
>>stand up due to the sucking of air past the mower blades, this greatly
>>improves the effect.

Has anyone exerimented with the nylon replacement blades for string
trimmers? I just got one for my trimmer. It's a wheel with 3 pivoting
nylon blades, each about 4 inches long. They are light weight and might be
safer than a metal blade. I'll try it on grass and let everyone know how it

>Spinning a blade like this seems very power hungry and waistful moving
>a lot of air and not cutting much grass. We would also have to worry about

I think that's why the Weed Eater robotic mower uses the spinning disk with
exacto knife blades. They are light weight and it gives some flywheel
action for low power consumption.

Doug Smith  *  dougs nospam at mcs.com