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01-16-2010 02:31 PM  8 years agoPost 1
baby uh1

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St. James, Mo.

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Hi everyone,
I have a question. What does the second set of holes on the blade grip mixers do? Do they reduce the responce if you move the balls out?

Thanks,
Huey

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01-17-2010 03:40 PM  8 years agoPost 2
hydev

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Denby Dale, UK

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Tried it for you. Makes the forward/backward cyclic very slow. Much better with it on the holes the manual says.

Mike

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01-17-2010 07:44 PM  8 years agoPost 3
baby uh1

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St. James, Mo.

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Thanks! I was just getting ready to try it myself. Did it seem to affect the collective at all? My Protos is very touchy in pitch.

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01-17-2010 08:05 PM  8 years agoPost 4
hydev

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Denby Dale, UK

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I don't remember it being really bad but it was slightly slower.

Mike

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01-17-2010 09:11 PM  8 years agoPost 5
whoamis

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san francisco, ca

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It shouldn't affect collective, I think.

Soften your throttle curve if it's too poppy for you now.

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01-18-2010 01:18 AM  8 years agoPost 6
baby uh1

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St. James, Mo.

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You know that is what started the problem. When I first got my Protos it had the fifteen tooth pinion and I flew it with my 2200 mah batteries (6 cells) and it was insane! It was too much for my batteries but it wasn't pitchy. I bought the thirteen tooth pinion so that I could run 100% on throttle and it has been pitchy since. I've tried all sorts of pitch and throttle curves and it is still pitchy. I even changed the servos to the hitec digitals and that actually made it worse, probably because they are faster. At this point I don't know if I have something messed up in the radio or what.
The heli seems perfect mechanically.

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01-18-2010 01:50 AM  8 years agoPost 7
drdot

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So. California, Orange County.

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fwiw..

Be sure your paddles are correctly aligned....If you put the weights in the paddles, it will reduve the pitch sensitivity, but will slow the cyclic...I noticed the Radix blades tend to be a bit smoother on this head....If you have a bud flying them, ask him to let you give'em a flight....

John.

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01-18-2010 02:06 AM  8 years agoPost 8
tcprogrammer

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Worcester, MA

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if cyclic sensitivity is the issue, maybe try some expo on the aileron and elevator?

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01-18-2010 02:09 AM  8 years agoPost 9
baby uh1

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St. James, Mo.

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Thanks! I am going to try a different set of blades to see if that changes anything. I was going to do that to save my red devils for when I had gotten the heli all sorted out and started 3D with it.

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01-18-2010 02:13 AM  8 years agoPost 10
baby uh1

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St. James, Mo.

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if cyclic sensitivity is the issue, maybe try some expo on the aileron and elevator?
Thanks for the reply but the problem is with collective sensitivity. Around hover the pitch is like it is off-on! The cyclic is fine.

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01-19-2010 02:56 AM  8 years agoPost 11
tcprogrammer

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Worcester, MA

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sorry, think I read too much into the post.

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01-19-2010 03:22 AM  8 years agoPost 12
baby uh1

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St. James, Mo.

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That's OK, I appreciate the input!

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01-19-2010 05:12 AM  8 years agoPost 13
Shawn Behrens

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DEEP IN THE BOG

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If collective feels too sensitive just reduce total pitch for starters. How much collective are you running and what is your head speed.

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01-19-2010 12:28 PM  8 years agoPost 14
baby uh1

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St. James, Mo.

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12 degrees. I haven't tached the head speed but it is much less than it was when I got it. The funny thing is that it is only touchy around center, when you try to hover.

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01-19-2010 07:05 PM  8 years agoPost 15
jakehorky

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Minneapolis, MN

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I had the same issue on my Ricco. Here's two things I tried:

1. My DX7se has a setting that applies an exponential curve to the pitch function which is supposed to help linearize the effective pitch control. It's designed to correct for the fact that servos move by rotation and their output is not linear. Enabling this seemed to help desensitize my pitch.

2. Slightly flatten your pitch curve around the center stick. This will reduce the servo travel around mid stick, but the side effect is the ends get a little more touchy. You'd have to find a balance that feels good.

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01-19-2010 08:45 PM  8 years agoPost 16
whoamis

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san francisco, ca

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You can just as easily dial it down all the way out to the ends... then it's easy to crank it back up as you feel the love.

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01-20-2010 03:01 AM  8 years agoPost 17
baby uh1

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St. James, Mo.

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I don't want to limit the overall pitch as I like to do punch outs and other pitch heavy moves. I just don't understand why this thing won't hover! I've flattened the pitch curve and tweaked the throttle curves but no help! There is no play in the head or other controls but it seems like there is when you fly.

Oh, jakehorky, My 7c doesn't have that feature as far as I know, but thanks!

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01-20-2010 10:39 PM  8 years agoPost 18
jakehorky

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Minneapolis, MN

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Strange... I think flattening the pitch curve around the middle would settle it down since you're essentially desensitizing the stick...

What shape are your dampers in? Did you grease them? Maybe they're sticking.

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01-21-2010 01:04 AM  8 years agoPost 19
baby uh1

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St. James, Mo.

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I don't know, I'll have to check them.

Anything is possible if you don't know what you are talking about!

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