:: I have been replacing just the rusty nuts and washers on
:: my S22's keel bolts. I have come to believe the 8-3/4"
:: steel keel bolts are more than adequate for the Santana
:: 22 . First of all - please read the Pearson 26 keel bolt
:: article in the prior link. Notice that the P26 keel is
:: 1000 lbs heavier than a S22's Keel and the P26 uses just
:: 8-5/8" bolts.

:: pi= 3.141593

:: Keel bolt Area =pi * r^2

:: Diameter Radius Area

:: P26 D=5/8 R=5/16 A=0.061328

:: S22 D=3/4 R=3/8 A=0.147188
::
:: The surface area of 3/4" bolt is over twice the area of
:: the 5/8" bolt. The strength of the bolt must correlate
:: with this surface area. So S22s owners have keel bolts
:: with over twice the strength holding half the keel
:: weight. Seems like the S22 keel structure is a tad over
:: built ;^)