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Bristol 29 Spar Specifications  

 

 

Boom Specifications*

Component

Size

Outside measurement 4.50" x 2.75"
Wall Thickness .105"
Weight/ft 1.5#
Moments of inertia: Ixx = 2.7", Iyy = 1.2"
Circumference 11-1/2"
Alloy 6063-T3
Sail slides 1/2" round slugs (A108. A118)
Length 157-1/2"
taken from RigRite's website:
http://www.rigrite.com/Spars/Kenyon_Spars/E-boom.html
 

Mast Specifications

Component

Size

Outside measurement 6.75 x 4.125
Wall Thickness .22
Length (to base of masthead) 34' 10-1/4"
Length to spreaders 17' 1"
Length to inner forestay clevis pin 26' 5-1/4"
The roller reefing gooseneck, modified for slab reefing. To move the tack closer to the mast I cut slots in the top of the bronze fitting and added stainless tangs. The mast cross-section.
Another angle of the inboard end of the boom. The mast step end of the mast.
The mast side of the gooseneck: an internal slide type.  
Another shot of the slide-type gooseneck.  
The outboard end of the boom.  
Another angle of the outboard end.  

 

 
   

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