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Rotatory Drive System (RDS)
http://www.rcsail.com/forum/viewtopic.php?f=15&t=1807
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Author:  Ah Pong [ 23 Apr 2010 06:00 pm ]
Post subject:  Rotatory Drive System (RDS)

Hi F3F diehards.

Look at this page to see how much is the drag created by the linkages of your plane :



http://www.mh-aerotools.de/airfoils/linkage.htm

The linkages account for a total 5 % of drag on your model. If you usually fly 40 sec., you could fly 38 sec. if you take away the lingages.

See how RDS works:

http://www.irfmachineworks.com/rds/

Also see my first homemade RDS :

http://s8.photobucket.com/albums/a11/edmondpong/?action=view&current=P1030684.flv

regards, :D :D

Author:  Alex SO [ 23 Apr 2010 06:27 pm ]
Post subject: 

HA HA ! you get it :o

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