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HomeAircraftHelicopterMain Discussion › Question on Pitch Curve setup
10-07-2013 07:54 PM  4 years agoPost 1
ssmith512

rrKey Veteran

Indianapolis, IN USA

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Ok, here is my scenario:

I want to have 3 different flight conditions (Normal, IdleUP1 and Hold), all three I want to have different pitch curves. I want the Hold condition to have the most pitch available. For the sake of this discussion lets say I want the pitch curves to be the following:

Normal = -3, 0, +12
IdleUP1 = -12, 0, +12
Hold = -14, 0, +14

My TX has a 5 point pitch curve (-100, -50, 0, +50, +100). Do I setup the heli so it has -14, 0, +14 pitch in all three conditions and then simply adjust the points on the Normal and IdleUP1 curve to get the pitch I want?

Example: with a -100, -50, 0, +50, +100 pitch curve on my radio, I set the helicopter up to have -14, 0, +14 degrees of pitch. I leave the linear curve in my Hold condition so my Hold condition has pitch of -14, 0, +14. For my IdleUP1 curve I adjust the curve to say -86, -50, 0, +50, +86 to get a a pitch curve of -12, 0, +12. And I adjust my Normal curve to say -21, -10, 0, +50, +86 to get a pitch curve of -3, 0, +12. (Disregard the the actual "values" I show, they are for informational purposes only)

Is that the correct way to do it? Suggestions or advice is appreciated. Thanks!

Steve

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10-07-2013 08:20 PM  4 years agoPost 2
jschenck

rrProfessor

La Vista, NE.

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yes (that is the way I would do it)

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10-07-2013 08:44 PM  4 years agoPost 3
z11355

rrMaster

New England

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basically yes but I might suggest going for 12/0/12 @ 100% and then overdriving slightly (ie. 110% or so) to get the 14/0/14 since in reality, you're never going to use 14 often in an auto. Otherwise you're throwing away servo resolution in ID1 which is the most common use case.

Also, you'll want to try to get the hover point in N to the same point in ID1 so when you flip the switch, you don't pop up (or down) in altitude.

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10-07-2013 10:22 PM  4 years agoPost 4
devin120

rrVeteran

Canada

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yes
get the hover point in N to the same point in ID1 so when you flip the switch, you don't pop up (or down) in altitude.
+1

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10-08-2013 12:00 AM  4 years agoPost 5
ssmith512

rrKey Veteran

Indianapolis, IN USA

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Thanks!

Steve

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