Throttle Hold - Tail Wag - HeliFreak
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Old 06-17-2012, 04:27 PM   #1 (permalink)
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Default Throttle Hold - Tail Wag

Did the maiden flight on my X5 today. I'm noticing that when I hit the hold when I land the tail wags like crazy, any ideas why this would be? This is my first FBL heli, so I'm not sure where to begin. My first thought is maybe the TT gear mesh is too tight? The tail is locked on during normal flight, but once I hit hold to kill the power the tail wags like crazy. Any ideas?

Also, I have my pitch curve set a straight line right now so transitioning from IU to hold doesn't cause any pitch changes. However, a straight line pitch curve is a bit extreme for my flying abilities at the moment. Any input on how to tone down the pitch transition from IU to hold while still keeping a non-straight line curve? I guess I could copy my IU curve to hold, but I'm looking for a best practice here.

Thanks,

-Steve
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Old 06-17-2012, 04:44 PM   #2 (permalink)
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what TX. some have a gain value for each flight mode
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Old 06-17-2012, 04:45 PM   #3 (permalink)
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What transmitter are you running if it's an 8fg it's the default gain that's the problem it's set to 80 so you just need to go in and tweak it. Otherwise it could be the same problem with any other radio
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Old 06-17-2012, 05:03 PM   #4 (permalink)
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You guys are awesome! Totally forgot about that. It's an 8fg and the gain for TH was 80 vs 50 for the IU modes. Any input on the pitch curve?
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Old 06-18-2012, 01:46 AM   #5 (permalink)
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you can go into the beast and just tweak the maximum pitch bring it down to 10 ish instead of 12 and leave your radio alone and still have both straight lines. it will tone it down a good bit. I noticed in another thread that you are alrady running 10 deg what is your throttle setting and pinion at? too fast of a headspeed makes this heli very aggressive and fun for more experienced pilots but if you want it slower then tone it down into the 2200ish range.
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Old 06-18-2012, 09:57 AM   #6 (permalink)
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I'm using a stock 15 tooth pinion and a flat 80% throttle. I thought I read it's hard on the ESC to drop them below 80%, is that true? If so, I guess my options are to change the pinion or curves in the TX.
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Old 06-18-2012, 03:23 PM   #7 (permalink)
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Scratch that. I was thinking of gov mode. I'll have to try some lower HS.
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Old 06-18-2012, 06:40 PM   #8 (permalink)
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It's still not good to drop too low I would almost say drop down a pinion go with the 14 tooth running a 95-90-95 curve it will have better efficiency and slow head speed but honestly you bought the wrong machine if you want a super docile machine it's meant to be light and fast but slowing the head speed down a lot with soft dampers will help
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Old 06-18-2012, 06:42 PM   #9 (permalink)
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Also what do you mean by straight line being too aggressive? Is it too quick around center or what?
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Old 06-18-2012, 07:17 PM   #10 (permalink)
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Collective was just super sensitive. I need to get better at collective management. I've adjusted the pitch curve and it's tolerable for my flying abilities now. Was looking for best practices.
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Old 06-18-2012, 09:20 PM   #11 (permalink)
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Now don't take this the wrong way but I was told when I started to just learn with it on linear yes it's a little harder but it will make you a better pilot instead of handicapping you and you then have to re learn it when you get better
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Old 06-18-2012, 09:45 PM   #12 (permalink)
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I have thought about that too. I'm going to do more sim time and then put the bird back in the air. Thanks for your help.
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