Thread: Will e-book readers eventually go back to paper books?
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Old 09-19-2011, 11:26 AM   #99
theducks
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Quote:
Originally Posted by Andrew H. View Post
Rotary engines? Are they still used?
Yes! Wankel engines are used, just not for Automobiles.

They have very good HP to weight for portable applications, or constant speed use (Alternators, pumps).
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