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HelicopterMain Discussion › Swashplate Timing
03-12-2003 05:21 AM  14 years agoPost 1
kym

rrApprentice

Provo Utah

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I've read some on this, it is when you mix elev with aile or vice-versa. So, when you roll or loop, the mixing adjusts for un-wanted behavior. Of course the helicopter has to be perfectly trimmed. Then you start doing loops and rolls and adjust small percentages into the swashplate mixing, or the swash plate rotation settings, depending on which radio you have. Is this programming mainly for the FAI flier? Or could this be a part of trimming machine for better 3-d flying? Has anyone ever used this before? If so, what kind of flying do you do? Do you set it up on every model that you have?

I'll be waiting for any replies, i want to try it this weekend.

Thanks
Kym

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03-12-2003 05:04 PM  14 years agoPost 2
Chopper

rrKey Veteran

Stow,Oh- oops, I​mean St Louis, nope​Stow again,

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stephen,
Please take no offense to this comparison. The chances that you can pick up the phasing correction needed on an old Shuttle are very slim indeed.

When your skills have progressed to the point where you are practising not only the loop, but the correct entry and exit of the loop, including the tracking of the loop in cross wind as well as the opposite cross wind, you will want to mess with the phasing of the disk. This is assuming you have a really tight and slop free system (servos to blade tip.) This applies to straight backward rolls and backward rolls in a circle that do not climb or fall, nor do they move too much off line of the rotation around the boom.

The phase change comes from (mostly) the blade lead and lag. (I know there are some who will wish to argue this.) When you have fixed everything on the heli to fix, and the darn thing still corks out of a loop or roll or backward rolling circle, then start working on the phasing. Phasing will then probably fix your problem.

Are you going to notice it in wild loaded up manuevers....not likely. It is fine tuning. Most people are not concerned with this level of fine tuning.

I am making no accusations nor casting any dispersions as to anyone's equipment or skills.

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03-13-2003 12:32 AM  14 years agoPost 3
BQuick

rrNovice

Staatsburg, NY

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Yes, our brains do adapt. I learned how much when I switched my blade rotation from counter clockwise to clockwise (from the top). I built the machine from scratch and learned to fly it, but I noticed that most other machine rotated in the opposite direction so I decided to change it. I didn't have a heading hold gyro, so I was amazed at how much revo mixing I was doing at the sticks! I also noticed how much difference there was between right hand and left hand turns.

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