I have the same board (and am about the same weight as you) and have found that he stock Drake fin that comes with the board is HORRIBLE! Especially with a large sail. The only sail that I have been ...
Depending on my weigh in regatta schedule (for the "normal" boats I sail) I go between 245 and 270 and would never bother going out in 15 without my 10.0 (on a 161 starboard carve). Also, g ...
There is nothing wrong with initiating coms on channel 16 then taking the conversation to another channel. You will probably have better luck with that.
I have the wood carve 171 which I think is pretty close in shape to the go. I am a superfit 250 #er and I bought the board for the typical "breezy" Cheseapeake conditions of 12 - 18 knots. ...