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PROP
Posted: Fri Aug 31, 2007 3:12 pm
by Quentin Ferreira
What is the main dif between a 2 blade and a 3 blade prop???
Quentin Ferreira
ZU-ATP
Newcastle
Posted: Fri Aug 31, 2007 3:24 pm
by Henni
Vibration
Posted: Fri Aug 31, 2007 3:50 pm
by Morph
Vibration and performance.
2 blade - most efficient, best performance but with vibration
3 blade - lower performance, smoother operation. Expect about a 3% to 5% degradation in performance
4 - blade even smoother, lower performer
etc etc etc
In fact the most efficient prop would be a single blader but you would have to counterweight it or it will create huge problems on bearings etc.
Posted: Fri Aug 31, 2007 8:14 pm
by priester
There is a self launching glider called the "silent" that uses a single blade prop
Posted: Tue Sep 04, 2007 5:45 pm
by Quentin Ferreira
Thank you Morph i think i will stay with mt p de nekker prop........
Quentin Ferreira
ZU-ATP
Newcastle
Posted: Wed Sep 05, 2007 7:37 am
by Biggles
The more blades you have the higher the drag in engine out situations.
Posted: Wed Sep 05, 2007 10:39 am
by Morph
Quentin Ferreira wrote:Thank you Morph i think i will stay with mt p de nekker prop........
Good idea, De Necker props are sweet

Posted: Tue Oct 23, 2007 2:09 pm
by Hot Stuff
So true, De Necker are truly good. Needs alot of tender loving care, but great