On Sun, 17 May 2015 15:30:04 -0700, Larry Jaques
wrote:

On Sun, 17 May 2015 15:20:53 -0500, "Terry Coombs"
wrote:

Steve W. wrote:
snip
The 1/4" lower in front is to cut down on any drag,

_Drag_, at 4mph? giggle

snip

Yeah, drag of the blade on the grass. If the front is higher, it'll
still do most of the cutting, but the rest of the blade will gradually
try to reduce the height that last little bit, increasing the load and
giving a raggedy beat up cut.