did you ever think its a lot of old men & young boys out here that have
to push that big mower





"Dr. Doctor" wrote in message
...
| good question but here is my reasoning not sure if it is the case but
I
| think it has to do with mowers now having mulch capiblites (the wider
the
| mower the more grass and the harder to mulch properly) . It may also
be
| with the longer the blade the faster the blade tip speed is thus you
have to
| set the max rpm of the engine lower to keep withing standards (blade
tip
| speed is set by standards for safety) so a 21" blade can have higher
rpm
| then a 22" blade to keep the blade tip speed within standards. the
higher
| the rpms the faster the inner part of the blade spins where it cuts
the
| grass 2nd & 3rd times for mulching so again it helps with that. So as
i said
| not sure if that is that is why it also may be that 21" mowers are
| manufacture top selling models and that is why.
|
|