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Message: <blockquote data-quote="Vol423" data-source="post: 493710" data-attributes="member: 6621"><p>If the pod is placed so that it is under water, the added buoyancy is equivalent to the weight of the water it displaces at 62.5 lb/cf. Let's say you want to raise the stern by an inch. Place enough weight on the transom to make the stern sink by an inch. Have your 150 lb wife or your 110 lb girlfriend stand on the stern and see what happens. Whatever weight gets it to sink by an inch will determine the volume of the pod, underwater, needed to raise an inch. Just divide that weight by 62.4, then half of that volume goes in each pod. It must be under water to get the full effect of the buoyancy. Any volume  of the pod out of the water must be deducted from the buoyancy twice, once for buoyancy lost and again for added weight to the vessel. The ideal configuration of a pod would have it's top  just at the water's surface when at rest.  And pods will do nothing for getting on plane except for the buoyancy that might keep it from hitting bottom on takeoff.</p></blockquote><p></p>