Professional BoatBuilder - February-March 2018

54 PROFESSIONAL BOATBUILDER

RIG DESIGN: Fractional Update

lightweight furler shackled either to

the foredeck traveler or to a high-

strength pad-eye on deck.  e sail is

well inboard and can be set by itself or

in conjunction with the triple-reefed

main.

roller furling, and the foot is short

enough to be wrung out with the whis-

ker pole downwind.  e storm jib can

be hoisted with the pole li attached

to the tang just below its exit sheave,

creating a two-part halyard with the

 e masthead crane and a pad-eye

on the forward end of the tubular

bowsprit are for the 2.2-oz/yd-nylon

(94-g/m^2 ) A-sail. While it’s much

smaller than normal at 384 sq ft

(35.7m^2 ), its lu is short enough for

At the forward end of the multifunction

tubular bowsprit underneath the roll bar of

the Rocna anchor is the pad-eye for the

roller-furling asymmetric sail. The tubular

bobstay shares the A-sail moment with the

samson post aft, which incorporates the jib

club pivot. Having the pivot aft of the tack

automatically increases the jib’s draft as the

jibsheet is eased. The drifter/reacher furler

is connected to the bowsprit by a  at bar

that raises the sail so its foot clears the

pulpit. A similar but shorter bar serves the

same function for the roller-ree ng jib to

clear the lifelines. As the anchor is lowered,

the bobstay’s bifurcated forward end pro-

vides clearance for the tip of the anchor and

rotates, with its roll bar moving forward and

away from the asymmetric.

PETER NIELSEN

Singapore:

No.1 Bukit Batok Crescent, #07-06 WCEGA Plaza, Singapore 658064

Tel: +65-6570 0670,Fax: +65-6570 0674

U.S.A:

PO box 417 Fulshear Texas 77441

Toll Free: 1800 485 5071

http://www.griffinfilter.com [email protected] [email protected]

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ABS Type Approval Products

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Singapore:

No.1 Bukit Batok Crescent, #07-06 WCEGA Plaza, Singapore 658064

Tel: +65-6570 0670,Fax: +65-6570 0674

U.S.A:

PO box 417 Fulshear Texas 77441

Toll Free: 1800 485 5071

http://www.griffinfilter.com [email protected] [email protected]

GRIFFIN GROUP INTERNATIONAL

ABS Type Approval Products

Ship Designers, Builders And Owners Best Choice

Singapore:

No.1 Bukit Batok Crescent, #07-06 WCEGA Plaza, Singapore 658064

Tel: +65-6570 0670,Fax: +65-6570 0674

U.S.A:

PO box 417 Fulshear Texas 77441

Toll Free: 1800 485 5071

http://www.griffinfilter.com [email protected] [email protected]

GRIFFIN GROUP INTERNATIONAL

ABS Type Approval Products

Ship Designers, Builders And Owners Best Choice

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FractionalRig171-ADFinal.indd 54 12/29/17 4:12 PM