boom lengh

what should the maximum lengh of boom should as when i have my sail added to it i have adjustment left its seems to be a full sail still thanx

You can find all this information on the National website under Documents/ Building Rules and restrictions. Mosquito Catamaran Building Rules and Restrictions.

BOOM
12.1 The boom may be of any material, but shall be inherently straight and of constant section throughout its length.
12.2
Excluding fittings the boom shall pass through an 80 mm diameter circle.
12.3
Maximum length shall be 2800 mm measured along the length of boom from the back of the mast track to the end of the boom or outhaul fittings.

15
`BLACK BANDS'
15.1
A system of `black bands' 25 mm wide of a colour contrasting with that of the mast and boom shall be used on the spars to mark the limits of extension of the mail sail's length along its luff and foot.
15.3
One band only shall be painted on the boom with its inner edge 2550 mm (measured along the
length of boom) from the aft edge of the mast track
or its extension.
15.4
When the mainsail is set on its spar the luff and foot shall be wholly contained within the
inner edges of the bands.