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HelicopterMain Discussion › how many time does the fenestron turn to the main rotor
05-01-2004 10:21 AM  13 years agoPost 1
B/T

rrApprentice

WESTERN AUSTRALIA

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Hi Can any one tell me how many times the fenestron goes around to one turn ( 360 deg ) of the main shaft on a vario.

B/T

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05-01-2004 10:57 AM  13 years agoPost 2
mrNoodles

rrProfessor

Borlänge, Sweden

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From http://www.vario-helicopter.de/23.html

In favor of a small operating noise we set 1,680 mm mechanics with reduction with the version for x-Treme despite rotor circle 10,2: 1. This help also the Fenestron to more number of revolutions. Please you make sure therefore with the enterprise that the permissible rotor speed of 1350 U/min. (corresponds to a Fenestrondrehzahl of approx.. 7,500 U/min.) one does not exceed. Do not let be mistaken. The low operating noise hides the actually existing numbers of revolutions!

Resulting in 7500/1350 ~5.55rpm

/Fredrik
'Hm now I just have to find out where to connect the GV1 sensor to the Jazz80 ESC.

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HelicopterMain Discussion › how many time does the fenestron turn to the main rotor
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