October 20, 2017, 09:57:59 PM

Author Topic: Servo arms  (Read 457 times)

Offline fran11784

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Servo arms
« on: August 29, 2017, 08:50:08 AM »
I was wondering if this model uses the same traditional Synergy arms? The carbon tear drop shape piece that bolts to a plastic wheel? Just getting stuff together.... Thanks
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Offline Josh Easter

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Re: Servo arms
« Reply #1 on: August 29, 2017, 08:54:03 AM »
No it does not. You will just use the servo horns that is supplyed with your servos.
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Offline fran11784

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Re: Servo arms
« Reply #2 on: August 29, 2017, 08:55:49 AM »
OK thank you, glad I asked.
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Offline Josh Easter

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Re: Servo arms
« Reply #3 on: August 29, 2017, 10:01:59 AM »
As always if you are using metal gear servos then use plastic servo arms. That will save some heartache :)
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Offline Rob Cherry

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Re: Servo arms
« Reply #4 on: August 29, 2017, 02:09:51 PM »
Futaba style spline, we're recommending 14-16mm. The mks servos came with 17mm and the geometry was a bit aggressive.

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Offline Wolf51

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Re: Servo arms
« Reply #5 on: August 29, 2017, 06:54:35 PM »
So what brand/type did you end up using to get 15mm? cyclic arms for the prototypes?


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« Last Edit: August 29, 2017, 07:06:17 PM by Wolf51 »

Offline Rob Cherry

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Re: Servo arms
« Reply #6 on: September 04, 2017, 08:21:52 PM »
Hitec has a futaba spline 15mm.

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Offline Wolf51

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Re: Servo arms
« Reply #7 on: September 04, 2017, 09:12:56 PM »
Thx Rob, they'll be the easy option

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Offline mivaldes

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Re: Servo arms
« Reply #8 on: October 12, 2017, 07:24:42 PM »
Hitec has a futaba spline 15mm.

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So being a fairly inexperienced builder, where would I order these arms?  Just to be clear, I DON"T want to use the arms that come with the MKS? 8)

Offline Rob Cherry

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Re: Servo arms
« Reply #9 on: October 12, 2017, 10:41:13 PM »
The dubros are 16mm and sab 500 arms are 15mm. We've been flying some different configurations lately and updated the manual to recommend 15-17mm arms. Off the record, 15 works well with vbar/ikon numbers and 17 works well with cgy.

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Offline cml001

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Re: Servo arms
« Reply #10 on: October 13, 2017, 12:41:50 AM »
The Mikado servo arms also work well... if I recall they were 17mm using the center hole.
Clay
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Offline mivaldes

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Re: Servo arms
« Reply #11 on: October 16, 2017, 07:08:18 AM »
Again, could someone recommend specifically what/where to order for the servo arms?

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Online TheBum

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Re: Servo arms
« Reply #12 on: October 16, 2017, 01:24:26 PM »
I'd start with the ones that came with the servos. If none of those are suitable, then look at some of the other options mentioned.  On larger helis, I like the Dubro heavy duty arms, but on this 516 with mini servos, I'd probably go with regular Dubros.

Offline gwright

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Re: Servo arms
« Reply #13 on: October 16, 2017, 02:58:23 PM »
I'm Using the Futaba aluminum 20mm single arms. The second hole is 16mm distance so I just drilled it and tapped 3mm then red locktited the balls in. Using futaba 173 servos  .  cgy750 settings in the 50's for both cyclic and pitch, so they're perfect. Provides for 15/15 collective and 10/10 cyclic

Offline cml001

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Re: Servo arms
« Reply #14 on: October 16, 2017, 06:38:12 PM »
http://shop.mikadousa.com/04021-Carbon-Servoarm-20-mm-Futaba_p_229.html

Thats straight from Mikado USA... Amain carries them as well, but currently out of stock there.. A quick google search will provide u several other vendors as well.
Clay
I can fly helicopters... Upside down!