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Blade 230S Blade 230S Helicopters Information and Help


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Old 02-25-2019, 04:06 PM   #1 (permalink)
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Default 230S v2 Tail Motor Chatter

I have tried to reduce the somewhat annoying "Chatter" by reducing some of the "Gain" settings specifically for the tail motor. I have reduced the "I" gain to as low as 60% and the "P" and "D" to as low as 70% with very little effect on the chatter. Am I missing something? Is anyone else bugged by this or is it just me? and I need to get over it. The machine flies great. Some at the field have asked me - what's the BumbleBee chirping sound?

I have noticed it on many 230sV2's that I have observed on YouTube. Any help would be appreciated.
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Old 02-26-2019, 11:58 AM   #2 (permalink)
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Are you referring to the noise the tail motor makes? Or is it not running smoothly? If it is the high pitch whizzing noise that has been the same on all of mine, but it should be smooth running.
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Old 02-26-2019, 01:30 PM   #3 (permalink)
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Originally Posted by Termite View Post
Are you referring to the noise the tail motor makes? Or is it not running smoothly? If it is the high pitch whizzing noise that has been the same on all of mine, but it should be smooth running.
Yes, it is the "oscillating noise" that I call "Chirping". It varies with load and at times its actually louder that the main motor. It flies great and the tail has good authority. It's just the noise, not a lack of consistent yaw control.
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Old 02-26-2019, 02:47 PM   #4 (permalink)
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On one of my 230's the tail motor seems to be up and down in revs much more than the other 230 I have, which makes it noisier. As with yours it flies fine. Maybe its just tolerances in the motor and the ESC.

This said I would also check for a tight spot in the rotation of the main shaft and also rotational slack between the gear and rotor head.
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Old 02-26-2019, 05:52 PM   #5 (permalink)
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there is nothing you can do to get rid of that noise. And I strongly suggest setting all the gains back to their default settings.

The noise is because the tail is a 3-rotor fixed pitch blade on an electric motor.

V2 blades are slightly quieter than v1 blades. And CF blades are slightly quieter than the v2 blades. But you will always hear it no matter what you do.
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Old 02-26-2019, 11:24 PM   #6 (permalink)
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My V1 setup had little wag and little pulsing of the tail after tuning, in that case I was able to increase the I gain up to 130 and P gain to 110.

With the same airframe and tail motor I replaced the V1 ESC with a V2 ESC as well as replacing the V1 FBL/Rx with the V2 FBL/Rx. Now I have constant wag on the tail and pulsing of the tail motor. I have tried reducing the P gain down as low as 65 and I gain down to 80 and the wag doesn’t reduce in a substantial way. I have gone back to P gain at 90 and upped the I gain to 130 to get better hold and now just put up with the noise, the heli flys ok and it’s only when taking off and landing that a wag is really noticeable but the tail is noisy in flight.

I can throw it around in 3D flight and it holds fairly well in inverted funnels in both directions and backwards hurricanes and backwards power loops, so I will probably just leave it as it is.

The helis hasn’t been crashed and as I haven’t changed the tail motor, I would say it’s more likely the ESC and FBL interaction that makes one 230s noisier than another.

\\Dennis.
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Old 02-27-2019, 08:23 PM   #7 (permalink)
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Thanks for the input guys. I think the consensus is that this noise is inherent with this model. And yes, I did return my default gain settings back to normal as those changes had essentially no impact on the tail motor noise. As I said - it flies great, so I just need to fly it and enjoy it.
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Old 03-01-2019, 03:52 PM   #8 (permalink)
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When the 230s was introduced, it was referred to as the hyena laugh. I like it when I apply full collective and it squeals, as if I just frightened it.
Roxy the hyena "laugh" loudly in front of her meal (0 min 54 sec)
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Old 03-01-2019, 04:15 PM   #9 (permalink)
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Surprisingly similar.

Thanks RCF. Now I'm always going to think of hyenas when I fly my 230 S V2. I will blame you if I crash due to distracted flying.
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Old 03-01-2019, 04:41 PM   #10 (permalink)
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Hahahahaha ! you nailed it Fred, that's exactly what it does !!!
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Old 03-02-2019, 05:45 PM   #11 (permalink)
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All Ill hear now is....

yep, its fairly screechy by default.

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Old 03-03-2019, 12:37 PM   #12 (permalink)
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Fred, I think I might hate you now lol. Seriously, I can't stop laughing when I'm flying now thinking about hyenas. It used to be misquitos, which I could brush off. Hyenas, well, I've seen too many videos of hyenas and I crack up frequently.
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Old 03-04-2019, 03:07 PM   #13 (permalink)
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I laugh at my 230s every other time I fly it. Particularly when it squeals to a panicked full collective.
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Old 03-04-2019, 05:11 PM   #14 (permalink)
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Default Alternate Tail Motor for Blade 230s?

Has anyone had success replacing the tail motor with a drone or other motor? I have a spare 1607 2800KV, and i was thinking to give it a go. It's 1/2 the cost of the stock motor and i could use drone propellers which are cheap and durable.

My concern is that the heavier prop (while more durable) may also take more time to speed up/slow down, reducing the reaction time of the tail.

Any suggestions or lessons learned would be appreciated.
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