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How to calculate pounds of force on decklid spoiler
For my flat decklid spoiler build I want to use countersunk neodymium magnets as the attachment mechanism. Flat fiberglass spoiler screwed into the magnets and magnetically attached to the decklid. How do I calculate the amount of aerodynmaic force I might encounter so I can acquire magnets with enough strength to hold, even at 70 mph in a windstorm?
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.
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