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Old 11th December 2011, 05:16 PM   #2
Join Date: Apr 2009
Location: Montréal (PQ) CANADA
Posts: 245

do NOT know the Atom - from what i found it is only 99 litres ??
and for light winds they speak of it handling 9m sails ??

what is your definition of light wind
with a bum knee, will you only do waterstarts or ??
the difference between 7-oh and 7.5 is minimal
based on james douglass' sail calculator there is a difference of one knot
7.5 should be good to go around 15 knots for your weight
if you are in steady solid winds - even less wind is required
i use an MS-2 8-oh cammed sail in winds 20 to 40 kph on a 160 liter 79 cm board
under that i use a CAT longboard with the same sail
i weigh a bit more than you though - 100 kilos ...

sounds to me you may need more sail than 7.5 if Atom is a sinker !!

btw the MS Pursuit is okay with constant curve or hard top masts ONLY - no NP !!

lotsa luck !!
joe windsurfer @ 105 kg
2012 JP SLW92, 2013 AHD SL-2 132, 2000 Fanatic BEE 124 LTD + Mistral Equipe II XR (Mistral SLE303 to beat up)
HSM Fire 6.3, NS Duke 6.9, TR-6 8.4, HSM SPF 8.5,TR4 10.0

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Last edited by joe_windsurfer; 11th December 2011 at 07:54 PM.
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