Synergy Tech Support

Synergy Electric Helicopters => Synergy 516 => Topic started by: fran11784 on August 29, 2017, 08:50:08 AM

Title: Servo arms
Post by: fran11784 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
Title: Re: Servo arms
Post by: Josh Easter 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.
Title: Re: Servo arms
Post by: fran11784 on August 29, 2017, 08:55:49 AM
OK thank you, glad I asked.
Title: Re: Servo arms
Post by: Josh Easter 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 :)
Title: Re: Servo arms
Post by: Rob Cherry 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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Title: Re: Servo arms
Post by: Wolf51 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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Title: Re: Servo arms
Post by: Rob Cherry on September 04, 2017, 08:21:52 PM
Hitec has a futaba spline 15mm.

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Title: Re: Servo arms
Post by: Wolf51 on September 04, 2017, 09:12:56 PM
Thx Rob, they'll be the easy option

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Title: Re: Servo arms
Post by: mivaldes on October 12, 2017, 07:24:42 PM
Quote from: Rob Cherry on September 04, 2017, 08:21:52 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)
Title: Re: Servo arms
Post by: Rob Cherry 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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Title: Re: Servo arms
Post by: cml001 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.
Title: Re: Servo arms
Post by: mivaldes on October 16, 2017, 07:08:18 AM
Again, could someone recommend specifically what/where to order for the servo arms?

THANKS!!
Marcus
Title: Re: Servo arms
Post by: TheBum 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.
Title: Re: Servo arms
Post by: gwright 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
Title: Re: Servo arms
Post by: cml001 on October 16, 2017, 06:38:12 PM
http://shop.mikadousa.com/04021-Carbon-Servoarm-20-mm-Futaba_p_229.html (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.
Title: Re: Servo arms
Post by: Dalton38 on December 30, 2017, 05:14:52 PM
Quote from: TheBum 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.

i was going to order the mks 9767 servos but this arm discussion is confusing me.
the arms that come with the servos are not suitable for the the 516?  we should be ordering other arms to use?
Title: Re: Servo arms
Post by: TheBum on December 30, 2017, 06:40:07 PM
Quote from: Dalton38 on December 30, 2017, 05:14:52 PM
Quote from: TheBum 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.

i was going to order the mks 9767 servos but this arm discussion is confusing me.
the arms that come with the servos are not suitable for the the 516?  we should be ordering other arms to use?
As long as the arms provide 15-16mm ball spacing, they should work.
Title: Re: Servo arms
Post by: FlamingHomer on January 08, 2018, 05:49:26 PM
I use the MKS horns with 17mm on my 516. Cyclic throw is perfect on my Vortex. And it flies awesome too.

Greetz

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Title: Re: Servo arms
Post by: alan on January 16, 2018, 08:51:10 PM
I have both in stock..

http://helilids.com/DUBRO-Super-Strength-SERVO-ARMS_p_65.html (http://helilids.com/DUBRO-Super-Strength-SERVO-ARMS_p_65.html)

http://helilids.com/Mikado-Servo-Arms-Futaba-Spline-16mm20mm_p_174.html (http://helilids.com/Mikado-Servo-Arms-Futaba-Spline-16mm20mm_p_174.html)

Only one set of the Mikado's right now though.  Plenty of dubro.
Cheers
Alan

Title: Re: Servo arms
Post by: turner2 on January 17, 2018, 03:02:00 PM
I would deal with Allen , I have gotten great service from him. Got a problem he helps you out. Prices are in line with the other big Dogs!
Title: Re: Servo arms
Post by: dhoskins26 on January 19, 2018, 06:15:20 AM
I ended up using SAB arms at 15mm flys great


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Title: Servo arms
Post by: TheBum on January 20, 2018, 01:35:43 PM
Be advised that the Dubro super strength arms may result in stripped servo gears in a crash. They’re that tough and rigid. They also have more clearance from the servo case, which might throw your geometry off. I’d advise the regular arms if you’re going Dubro.
Title: Re: Servo arms
Post by: curmudgeon on November 27, 2018, 07:22:27 PM
Quote from: gwright 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...
Please, provide a part description or weblink for these Futaba arms with 16mm holes.
Title: Re: Servo arms
Post by: Ivanstein on April 05, 2019, 07:19:48 AM
Quote from: Josh Easter 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 :)
Why is this? Is it for crash safety or some sort of RFI thing?

Thanks.

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