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Fig 4. Lateral Effective Mass bracket top view. Bracket weighs about 25g. 40 total 1/4 inch cubes of Tungsten provide approx 195g of mass at about 2.6 inches off the rotation axis. The bracket material integrated moment, added, probably brings that up to about 205g effective mass at the 2.6" radius. Top of the bracket was designed to stay just below the top of the yoke - which comes fairly close to the turntable dust cover. (Tungsten cubes are among all kinds of handy weight distribution parts made available for the Pinewood Derby car customizing market. Yay competitive Dads!!)
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Fig 4. Lateral Effective Mass bracket top view. Bracket weighs about 25g. 40 total 1/4 inch cubes of Tungsten provide approx 195g of mass at about 2.6 inches off the rotation axis. The bracket material integrated moment, added, probably brings that up to about 205g effective mass at the 2.6" radius. Top of the bracket was designed to stay just below the top of the yoke - which comes fairly close to the turntable dust cover. (Tungsten cubes are among all kinds of handy weight distribution parts made available for the Pinewood Derby car customizing market. Yay competitive Dads!!)
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