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Home✈️Aircraft🚁Helicoptere-MikadoLogo 700xx › Collective question
01-10-2013 10:23 PM  7 years ago
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johnnie eagle

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Florham Park, NJ 07932

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Collective question
New 700 flys great. Using 12x radio with pitch curve from +- 11 to 12 degrees. Running 2000 HS. Notice the collective is very sensitive around zero, is this a common problem, I could always run a little expo around center which is where it seems to be agressive. Everything else is good,servos, setup, no binding, running 8 degrees of cyclic, feels great everywhere else, but around zero its very reactive ?
Team Minicopter - Peak Aircraft, Team Kontronik USA
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01-12-2013 12:29 AM  7 years ago
dahld

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Bakersfield, CA, USA

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"...very sensitive around zero, is this a common problem,..."

Not sure it can be called a "problem" per se. Never heard the complaint before, but it's a 'feel' thing, and everyone's different.

The only thing I can think of is to use expo on the collective pitch curve as you mentioned. The other option is to create a separate bank in the V-Bar, which has a shallower collective pitch range (which will de-sensatize the collective pitch), for possible use with specific maneuvers you'd rather not have it so quick around center.

(-: Dave
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01-12-2013 12:53 AM  7 years ago
johnnie eagle

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Florham Park, NJ 07932

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@ Dave
Dave,

Thanks for the response. It's not really a complaint. I'm just not used to that reactive of a feel. My 600 se and 600 are using 6 volt servos and I am running 7.4 on the 700. It just feels really quick around center. I can get used to it in time but I'm looking to tame it a little now. I was going to run a little expo on collective but my 12 x doesn't have that function for the collective. Can I do it in the vbar? I can slow down the servos in the radio but I don't want to loose speed on cyclic. Any suggestions would be appreciated.

Thanks

John
Team Minicopter - Peak Aircraft, Team Kontronik USA
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01-12-2013 03:02 AM  7 years ago
dahld

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Bakersfield, CA, USA

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Well, when I say "expo" on collective, I'm not meaning using the expo as is usually in the "D/R" menu of the radio. You are correct, there's no menu item for that on the collective channel.

Use the collective pitch curve. Establish a point or two either side of 50% (zero collective), and move the points up and down to "flatten" the curve around center. This works well for what you want to do.

Other than "pitch pump" (which quickens collective stick inputs), there's nothing in the V-Bar's menu items to accomplish what you want.

And definitely don't slow the servos. It will effect the V-Bar's ability to do its job, as it will slow down the control loop flow of information.

(-: Dave
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01-12-2013 03:12 AM  7 years ago
johnnie eagle

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Florham Park, NJ 07932

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I was going to flat the curve out like u outlined. Being an old school f3c guy that's the way I run my hovering curve too. Maybe I'll just live with it and get used to it.Team Minicopter - Peak Aircraft, Team Kontronik USA
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01-13-2013 10:18 PM  7 years ago
johnnie eagle

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Florham Park, NJ 07932

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@dave
Flew the heck out of the 700 today. Flattened the curve just a hair and I mean just a hair, like 2 percentage points on the plus and minus sides of 0. Just perfect, what an amazing heli. Income in at 12.5 lbs and the thing flys like its a lot lighter than that. Has a blast today.

Thanks for the good advise
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