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11-07-2009, 01:23 AM
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Ace Pilot
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Join Date: Jul 2006
Location: Colorado
Posts: 123
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Good evening all,
I feel a valuable article for the customer/magazine would be to break down the set up of a CCPM Heli. I understand that there have been articles in the past for this but I have not seen what I will be discussing.
When learning how to set up a heli, you are told, set the pit percentage to 60% AIL, ELE, and PIT. No one provides a solid answer as to why do we set these percentages to 60%.
I now know it is to ensure that all three servos move at the same time/percentage to make the swash plate level at any collective stick setting.
Along with that, I resently learned that by adjusting the PIT percentage will affect the amount of verticle movement your swash plate will move and affecting your blade pitch as well.
I asked alot of questions to many people to finally formulate what I have written above.
Again, I feel your customers will greatly benefit from this information that may seem trivial but is quite complex for the porper set up of a heli.
Thank you for your consideration of using the above for an article.
Michael
Insanity: doing the same thing over and over again and expecting different results. Albert Einstein
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11-19-2009, 03:47 AM
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Rookie
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Join Date: Jun 2009
Posts: 19
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Thanks Mike that is great info witch leads in to my question I fly a 450 and just got a new DX-7 (switching from the stock radio). What should my Pitch curve and throttle curve be and the rest of the setting's it doesn’t really expand on it. What is the best setting for a beginner? I’m still working on forward flight and hovering nose in. is there a standard setup?
"Life, Liberty and the Pursuit of All Who Threaten It"
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11-19-2009, 01:04 PM
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Ace Pilot
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Join Date: May 2006
Location: A Small Town in Western New York
Posts: 1,633
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Big_Ron,
If you were comfortable with how it flew with the old radio that would be a place to start. Before switching measure the pitch curves, low, mid, and high and after switching receivers adjust to the same settings. Same for throttle if you have a tach to find out what the RPM of the blades is.
If not then run the motor throttle curve at about 0 (low)to 80%( mid to high flat line) and see how it responds. Normal pitch curves are good from about -3 to +8. Idle up straight line throttle curve at 80% or so and pitch -9/10 to +9/10. Again this is a starting point.
If we knew what it was we were doing, it would not be called research, would it? - A. Einstein
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11-19-2009, 02:32 PM
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Ace Pilot
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Join Date: Jul 2006
Location: Waukesha, WI
Posts: 638
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Quote:
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Originally Posted by Big_Ron
What should my Pitch curve and throttle curve be and the rest of the setting's it doesn’t really expand on it. What is the best setting for a beginner? I’m still working on forward flight and hovering nose in. is there a standard setup?
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Check out this article... http://www.rchelimag.com/pages/howt...howto=11&page=4
To become a father is not hard, to be a father is, however. ~ Wilhelm Busch ~
TT Mini Titan E325, Spektrum DX7, Phoenix Sim
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11-19-2009, 02:45 PM
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Ace Pilot
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Join Date: Sep 2007
Location: Goose Green,VT
Posts: 2,016
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Today, 01:39 AM
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Rookie
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Join Date: Jun 2009
Posts: 19
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vermonster,mkoutnik & kcgraves
Thanks for the help and quick reply. I found the set up on the main page under how to about 30 min after I posted. The radio I used was a 72 MHz with knobs so I don’t know what the setting on it were I am going to use the advice you all gave me and the set up guide I will let you know how it goes and again thanks for the help.
"Life, Liberty and the Pursuit of All Who Threaten It"
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