Posting 2 aluminum mast profile design drawings (with dimensions, radius, etc)
from a manufacturer.
Those were designed by some of the popular kite brands (don’t know which exactly)
and were used by a Chinese manufacturer for mass production of the masts for the
Weight of the profile in aluminum is approx. 1.95 kg per linear meter, according to the
Hope it might be helpful for any of the DIY builders here on the forum.