cep32 4 Posted March 11, 2019 Share Posted March 11, 2019 So I have to install a gennaker halyard block on or in the mast of the Javelin. Ideally I'd like to go internal as there are a couple of internal blocks at the bottom of the mast for the halyard to exit from. I'm worried about the size of the hole I'll need to cut in the mast though. The mast is about 40mm in diameter at the hoist point. Do I need to be worried or should I just install the smallest through block I can find (275kg odd MWL and 1000kg BL for an RF20711HL)? Cheers, Chris Quote Link to post Share on other sites
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