ITTF M4 Racket Control MANUAL January 2022

[Hooligan]

Click here to open M4 manual

[avello]

3.2 CALCULATIONS
SAMPLE SIZE
Colour tests are conducted on each top sheet – sponge combination; it is also compulsory to
supply one black rubber with and without sponge and at least one other rubber colour with and
without sponge.

Submit 6 colors ?

3.2 CALCULATIONS
AVERAGES / ROUNDING
For pimples-in racket coverings some deviation from an ideal shape is acceptable, like
irregularities on the side of the pimple, or a “hat shape” on the pimple tops – when this is not
a general trend, but is found on individual pimples. For pimples-out racket coverings, deviation
from an ideal shape is not acceptable.

So vague
What is an ideal shape ? Cylinder ?
There are many pips that are no cylinders