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HelicopterMain Discussion › Flybar 101
09-15-2007 05:54 PM  10 years agoPost 1
szangvil

rrApprentice

Haifa, Israel

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Can someone please explain the idea behind a flybar? Why we need it? How it works? What will happen if I fly without one?

If there is already a thread about it or some good reading, that would be fine, no need to post it again just point me in the right direction.

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09-15-2007 10:16 PM  10 years agoPost 2
BarracudaHockey

rrMaster

Jacksonville FL

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It has two purposes.

1. It provides "power steering" to the cyclic system by helping change the pitch of the main blades.

2. It imparts gyroscopic stability and inertia to the rotor system. You really need gyros on the 2 cyclic axis (there's a couple of dual axis gyros just for this) or its quite a handfull.

Andy
AMA 77227
http://www.jaxrc.com

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09-15-2007 10:45 PM  10 years agoPost 3
AirWolfRC

rrProfessor

42½ N, 83½ W

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What happens with no flybar ?

http://airwolfrc.com/NFB.html

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09-16-2007 05:49 PM  10 years agoPost 4
szangvil

rrApprentice

Haifa, Israel

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Thanks

Can someone point me to more technical reading about the flybar?

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09-16-2007 07:00 PM  10 years agoPost 5
atmt37

rrNovice

Dorset. UK.

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AirWolfRC,
Do full size pilots counter act the extra lift due to forward movement (or any other way) on one side with the cyclic? And is it easier to do this in full size then it is apparently is on model size?

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09-17-2007 02:15 AM  10 years agoPost 6
AirWolfRC

rrProfessor

42½ N, 83½ W

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More reading ?
You can start with these links,
http://www.w3mh.co.uk/articles/html/csm1_2.htm
http://www.w3mh.co.uk/articles/html/csm3_4.htm
http://www.w3mh.co.uk/articles/html/csm5_6.htm
http://www.w3mh.co.uk/articles/html/csm7_8.htm
http://www.w3mh.co.uk/articles/html/csm9-11.htm
Be carefull what you ask for.

ATMT37,
Yes, to one degree or another depending on model of full size. Full size also make use of "flaping" to help with the asymetry of lift.

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09-17-2007 10:52 AM  10 years agoPost 7
szangvil

rrApprentice

Haifa, Israel

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Thanks AirWolfRC!

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09-17-2007 11:32 AM  10 years agoPost 8
Billebob

rrVeteran

Tim-buck-2

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http://www.scotiabladerunners.ca/theflybar.htm

Try this one, pretty non-complicated description

BB

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09-17-2007 05:13 PM  10 years agoPost 9
szangvil

rrApprentice

Haifa, Israel

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Thanks Billebob! Just what I was looking for!

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