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I was absolutly wrong! (first time since lunch) Bob Johns is right Chapell
describes that method for a rule of thumb for the lateral plane. I dug out
my Chapell and he also has a rule of thumb for c.g. he states<i> "As a "rule
of thumb" it is assumed that the center of gravity of the hull structure(planking,
keel, deadwood, stem, sternpost, frames, floorsdeck-beams, decking, bulkheads,
cabin trunk, cabin floorand cabin joinerwork) is at the middle of the overall
length. As a matter of fact this assumption is not over an inch or two out
in normal sailing hulls,excepting deck-houses (such as used in motor-sailers)
from consideration. Since this is the case it is customary to calculate on
this basis and to reckon on the heavy weights, such as engines, full tanks,
lighting plant, batteries, icebox, stove, winches and windlass, anchor, spars
and large deck structures, as the items of weight controlling trim which
must be counterbalanced by ballast." </i>Don't know if this is a help<i>....
</i>but it is food for thought<i>. </i><i> </i>Best way is too leave the
trailer axels unbolted and move them until you get about 10% tongue wt...
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