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probably just another stupid question

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Old 05-11-2002, 03:11 AM
  #1  
chuppachup
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Default probably just another stupid question

How do you keep your flybars parrelel to the ground when getting a pitch reading from the pitch gauge?
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Old 05-11-2002, 11:56 PM
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Default HUH ??!?

Maybe its just me, but could you rephrase the question? As it is I don't have a clue what you are talking about!
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Old 05-12-2002, 12:28 AM
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jmulder
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Default probably just another stupid question

Try the Heli section
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Old 05-12-2002, 02:33 PM
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chuppachup
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Default probably just another stupid question

Im sorry! Wasnt thinking when I asked. How do you keep the flybars level when finding the pitch?
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Old 05-12-2002, 02:43 PM
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Default My Hand

I grab it with my hand, and hold it level. Pretty simple, eh?
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Old 05-12-2002, 02:55 PM
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=XGC= OzZ
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Default there are fly bar holders

They keep the fly bar strait.
Is this what you are asking?
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Old 05-12-2002, 02:56 PM
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Default pitch gauge

Yes, in fact you need a bubble leveler to make sure the flybar is level. The other option, is if you know the main blades have the same pitch, because they track properly, then you split the difference to get the true reading. In other words, if your flybar is 2 degrees off level, one blade will read 12 degrees, the other 8, and you know they are actually at 10. This requires that the flybar is locked in position while you take the two readings, either by a clamp, tape, etc.

Rick D.
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Old 05-12-2002, 03:06 PM
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Scotty740
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Default probably just another stupid question

There are several types of flybar locks. One is a clamp for the tailboom and a rod extends up to the flybar with another locking clamp there. Some people jam pieces of wood into the head to hold the flybar locked.

Like the others here I just hold it level with one hand while I check pitch mostly. I have a level on my pitch gauge and can tell when eveything is level.
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Old 05-12-2002, 08:37 PM
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Default probably just another stupid question

Or simply sight the flybar to the horizon, then sight the pitch guage to the flybar.
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Old 05-13-2002, 12:49 AM
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Default Does it matter?

Don't the main blades move with the fly bar? If so then it wouldn't matter where the flaybar is aslong as you use the flybar to check the pitch.
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Old 05-13-2002, 07:11 AM
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Default probably just another stupid question

usually the pitch gauge has tabs you can allign up with your flybar, as long as it's semi level it's close enough. rs2k is right about the pitch moving with the flybar. this really isn't the space shuttle we are dealling with. yes they do make bubble balancer's for the swash plate and flybar locks but they are a waste of money.......
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Old 05-13-2002, 01:14 PM
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Default probably just another stupid question

I also used a flybar lock in the beginning, but then noticed that it did not matter what angle my flybar was at. I use the Minature Aircraft pitch gague, and you sight the flybar with it for making pitch measurements. It is a little hard to explain without pictures, but even if my flybar was tilted fully forward I got the same pitch measurements as when it was held level with the flybar lock. So the lock was a waste of money.
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Old 05-13-2002, 08:27 PM
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Scotty740
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Default probably just another stupid question

Brian,

That is not always the case. You can tip the Raptor flybar or some others and it doesn't affect the pitch reading. I know if I tip the flybar on my X-Cell it changes it quit a bit. It all depends on the mixing ratio that the head was desinged with. Some you can get away with the flybar not being level and on others you have to have the flybar at 90 deg angle to the mast. It's good practice to have the flybar parallel to the tail boom just in case.
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