Matt wrote:
"david lang" wrote:


Hi All

Been laying 600 x 600 slabs all day, absolutely knackered.

Just realised why - those 600 x 600 slabs weigh a lot more than the old 24"
x 24" ones used to and the 25 kilo bags of mortar are much heavier than the
old 56 lb bags where.

Not to mention the ground is now further away than it used to be.

I blame the metric system.



Assuming equal thickness the 600x600 slabs are 3.2256% lighter than 24
x 24 slabs

The 25kg bags are 1.607% less than the 56lb ones.

You usually shrink with age so the ground is closer

So its clearly not the metric system. Blame the French instead ;-)



Mungo is right, gravity is definitely getting stronger, I've noticed it
in particular since I reached 60. :-(