Dimensions of Alden 41 ywl
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J Distance perpendicular from foreside of mast line to the point of intersection of the forestay with deck.
LP Distance perpendicular from the luff to the clew of the largest jib.
SPL Spinnaker pole length
G Spinnaker maximum girth luff to luff. Fold on center line, measure maximum width and multiply by two.
I Height of foretriangle. Measured from deck sheer line abeam the mast to highest point of sail attachment.
P Luff length of mainsail measured from boom to headboard in its highest position.
E Foot length of mainsail measured from mast to clew in its most outboard position.
LOA Length overall of the hull. Note bowsprit and/or boomkins separately.
ISP Height from deck sheer line to spinnaker halyard exit point on mast.
LWL Load water line.
BEAM Maximum beam of the vessel.
DRAFT Draft of hull. Also include draft with board down if centerboard yacht.
DISPL Displacement of vessel in pounds without crew, water, fuel, or stores aboard.
BAL Ballast of vessel in pounds. Note any additions or deletions from standard and the location.
MAT Material of construction.
SML Spinnaker maximum luff.
MGT Mainsail girth
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