NSW
4521 posts
Ok, so SDM is "standard diameter mast", RDM is "reduced diameter mast",
but what is NDM?
(Yes, still relating to masts, I saw a "100% carbon 430 NDM mast" for sale).
Thanks,
Harrow.
WA
8894 posts
It looks to be another way of describing "normal or standard" diameter masts.
EDM stands for Elmo Destroyed Mast
Alby