On Tue, Feb 11, 2014 at 12:36 PM, Phedon Tsiknopoulos
<phedon21t_at_yahoo.com>wrote:
>
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> What if we have variable pitch as well as variable diameter?
>
>
Also that has been tried (change the pitch along changing diameter), but no
break-through on that either. Probably you would need to have variable
pitch distribution (VPD) prop for making the 50 mins.
-Tapio-
Received on Tue Feb 11 2014 - 02:39:32 CET