TwinTurbo.NET: Nissan 300ZX forum - You can use heavy metal inserts to account fort the removed
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Subject You can use heavy metal inserts to account fort the removed
     
Posted by BlackholeZ on May 03, 2014 at 5:23 PM
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In Reply To Few random engine building questions posted by fuzzymonkey on May 02, 2014 at 12:44 PM
     
Message Performance crankshafts use Tungsten inserts to bring the mass closer to the rotating axis, reducing inertia. You can end up with some very funky looking crankshafts doing this, as they look like they have no counterweights.

Tungsten weight added to a crank shaft counterweight.

Performance crank designed for tungsten weights
,img src="http://www.ret-monitor.com/articles/wp-content/uploads/2011/07/advanced-metals-tungsten-weighted-crankshaft.jpg"/a>

High powered media (Race Engine Tech Monitor) has tons of info about exotic materials use. I wish I could afford the subscription.
https://www.highpowermedia.com/ret-monitor/3146/tungsten

-Dan
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