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My apologies, check my earlier response.
"Jeff Morris" wrote in message ... "Simple Simon" wrote in message ... What a retard Oz is turning out to be. Its the Ausheimer's. It's clear the man never even heard of inertia. He seems to think a lead keel has the same inertia as a cast iron keel. And why wouldn't it? He doesn't know or remember the law of physics that states a body in motion tends to remain in motion and a body at rest tends to remain at rest. When attached to a hull a keel is a body at rest with respect to the hull. A cast iron keel will stop faster if it hits an immovable object whereas a lead keel (of identical mass) will stop slower. Why? It follows that the forces imparted to the hull are less with a lead keel than a cast iron keel. Why? I guess Oz never heard of the benefits of crush zones in automobile engineering that protect the passengers by slowing the vehicle and passengers down in not such an abrupt manner. How would you quantify that? Simple physics but beyond a New Zealander's ken. Geography is beyond yours. |
#2
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![]() Jeff Morris wrote: Its the Ausheimer's. Good one. Cheers MC |
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