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Old 07-19-2018, 08:28 AM   #58 (permalink)
Ecky
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Join Date: Dec 2011
Location: New Zealand
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ND Miata - '15 Mazda MX-5 Special Package
90 day: 40.51 mpg (US)
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Some fun facts:

TSX OEM flywheel weight: 18.2lbs
Insight flywheel weight: 13lbs + IMA motor mass
RSX Type R flywheel: ~10lbs

Insight rim weight: 11lbs
TSX rim weight: 21lbs

RE92 tire weight: 13lbs
TSX tire weight: ~23lbs

Compared with a TSX, I'm reducing rotating mass at the flywheel by 45% (8.2lbs), and at the tires by 80lbs, which is also almost exactly 45%.

The TSX weighs around 3300lbs. The Insight with TSX engine will likely be around 1950lbs (maybe a bit less). This is a 41% reduction in weight. If I can get it down a little bit, to its stock weight (might be possible after gutting the back, lightweight battery), it would also be an approximate 45% weight reduction.
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