[quote=P.M.][quote=Kevin219]I'm looking to retro fit a boom to my Nacra 6.0 NA. Ever since having a square top main made, the "boomlet" doesn't provide the leech tension I need. So the foot of my main is 7'10". Can anyone provide to me the length of a Nacra F18 boom or a Nacra 20 Carbon boom? Both of these booms I can get from Murrays but I can't find the lengths of either. I also might have a lead on a Nacra inter 20 boom. Might someone be able to give me a length on it?
Thanks in advance
Kevin[/quote]
Hi Kevin, you might want to re-think this. If you're not getting leech tension it can probably be corrected with mast pre-bend and rig rake. You know this but it is worth mentioning, you want the traveler car on the sail moved forward to increase leech tension.
If you add the boom, you will need to modify the rotation arm (aft and up) and reinforce the main with straps and a cringle. If you have the over-rotator it will not work. A boomless main is just not the same as a rig designed with a boom. You will likely also have a problem with downhaul, or will need to modify the sail here also.
The 6.0 NA is a monster and fast as shit when tuned correctly. Modifying it to a boom rig will open up several new issues.[/quote]
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