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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › Help on servo decision
03-26-2020 07:21 PM  13 months ago
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honda411

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Surprise, AZ USA

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Help on servo decision
Hi everyone, I have a Gaui nx7 I’m in need of servos for. Price somewhat matters but I don’t know what a good torque and speed range is good these days. I am relatively hard on the sticks and love to “snap” the cyclic quickly so I need something that will hold up pretty well. I will also be using a regulator for individual channels set on hv.
Price matters some:
Speed:
Torque:
Brand:
Thanks in advance.
HeliDirect Field Rep, Synergy N7 w/ OS 105, Torq Servos, Cyclone/ Rail blades
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03-26-2020 08:12 PM  13 months ago
dschertz

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Jackson, MI

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I would go with either BK servos or Xpert. There are a couple of choices with each.
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03-27-2020 12:03 AM  13 months ago
honda411

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Okay thanks. When someone recommends a brand of servo can you guys mention what model they are since there could be so many to choose from.HeliDirect Field Rep, Synergy N7 w/ OS 105, Torq Servos, Cyclone/ Rail blades
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03-27-2020 05:12 PM  13 months ago
wjvail

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Personally I buy a lot of XPert R1/R2 or MKS X8 servos. When price really matters, I drift towards ProModelers. Often their coreless servo meets my price and performance needs. Below are a few links for further reading.

These are just a few to consider. There are so many good choices these days.

http://www.promodeler.com/DS305CLHV

https://www.xpert-rc-us.com/product_category/r-series/

https://www.mksservosusa.com/product.php?productid=191
"Well, nothing bad can happen now."
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03-27-2020 06:18 PM  13 months ago
honda411

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Surprise, AZ USA

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Thank you for the reply and providing those links. It definitely does help.HeliDirect Field Rep, Synergy N7 w/ OS 105, Torq Servos, Cyclone/ Rail blades
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03-29-2020 11:10 AM  13 months ago
RappyTappy

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Encinitas, CA

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For me, the current champ servo for its price to performance specs is the MKS X5 HBL550. $99 before sales specials gets over 500oz in torque @.08s powered by 8.4 volts, pretty crazy for the price. Servos with those specs start at $45+ more a piece. I haven't tried it yet, but I've had good luck with MKS in the past.

Of course, you can't go wrong with a Xpert KD1, R2 or MKS X6 HBL599(torque monster) for top of the line amazing servos.
Thee Xpert servos are cool because they have removable servo wires with different lengths included which is a unique feature.
Still buyin' and flyin' then crashing and cryin'
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03-29-2020 04:59 PM  13 months ago
honda411

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Thanks Rappy. I saw the hbl550 servos and was very impressed with them. So far they may have my money unless something else pops up. The kd1 servos are a hoot and still deciding on those as wellHeliDirect Field Rep, Synergy N7 w/ OS 105, Torq Servos, Cyclone/ Rail blades
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04-02-2020 07:19 PM  13 months ago
planeguy12

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MI, USA

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You may want to consider futaba S3071 for the cyclic/collective/throttle and a BLS274 for the tail.

The 3071's are about $44 a piece while the BLS274 is $150.00
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04-03-2020 04:53 AM  13 months ago
RappyTappy

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Encinitas, CA

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The Futaba 3071s specs are lacking for me, .19 second Transit time is very very slow. And that's unloaded transit time to boot. I was flying servos faster than that 20 years ago and could feel a difference even as a newbie on flybar models.

Nowadays for flybarless helis, servo speed is crucial for stability and that locked in feeling by being able to react quickly and accurately to inputs by the flybarless system.
Still buyin' and flyin' then crashing and cryin'
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04-08-2020 04:04 PM  13 months ago
honda411

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I agree that servos these days need to be about .08 or faster for best performance. I’m still deciding since I like a lot of torq with good speed. That’s hard to find a little bit.HeliDirect Field Rep, Synergy N7 w/ OS 105, Torq Servos, Cyclone/ Rail blades
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04-09-2020 03:07 PM  13 months ago
doorman

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Sherwood, Arkansas

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KST 915V2
I am using these in my larger helis and quite pleased with them, and they don't break the bank.. worth a look!!

https://www.helidirect.com/products...700-helicopters

Stan
AMA 2918-Team Spin Blades,,Castle Creations, Unique Aircraft
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04-09-2020 07:56 PM  13 months ago
RappyTappy

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Encinitas, CA

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KST has been a good brand for me as far as my experience with the KST 215mg.

Pretty good specs on those KST 915V2. 350oz in @.09, very formidable!
Still buyin' and flyin' then crashing and cryin'
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04-09-2020 08:19 PM  13 months ago
dschertz

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Jackson, MI

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honda411 I agree that servos these days need to be about .08 or faster for best performance. I’m still deciding since I like a lot of torq with good speed. That’s hard to find a little bit.
xpert KD1 has exactly what you are looking for. I made an earlier suggestion of which two brands, but you want specific answers which you got and you are still not sure. I'm honestly not understanding why you are asking and then continuing your search. Are you looking for something specific that you aren't mentioning? There seems to be more to this that you aren't mentioning.
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04-10-2020 04:37 AM  13 months ago
RappyTappy

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Encinitas, CA

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Yea the KD1 is awesome, but it's not the only great servo out there. I learned about the KST servo today. More than the original poster can get help,suggestions, and ideas from a thread. Still buyin' and flyin' then crashing and cryin'
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04-11-2020 07:52 AM  13 months ago
Chris.C

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Hong Kong

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I am using these:
http://www.rcdepot-jp.com/out_dep/s8955sh/
at 7.4V: torque: 38kg/cm or 532 oz/in, speed: 0.06second/60 degree
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04-12-2020 01:26 AM  13 months ago
wjvail

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Meridian, Mississippi

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RappyTappy I learned about the KST servo today. More than the original poster can get help,suggestions, and ideas from a thread.
Yeah, me too. Those KST look pretty good and I didn't know of them.

It's a good time in history to be shopping for servos.
"Well, nothing bad can happen now."
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04-15-2020 11:27 PM  12 months ago
honda411

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Surprise, AZ USA

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dschertz xpert KD1 has exactly what you are looking for. I made an earlier suggestion of which two brands, but you want specific answers which you got and you are still not sure. I'm honestly not understanding why you are asking and then continuing your search. Are you looking for something specific that you aren't mentioning? There seems to be more to this that you aren't mentioning.
Your right. But I am looking at options that are a little cheaper for same. I agree the kd1 or xpert servos are on my top list. But from what I’m currently looking at, I can save about $150 maybe going with a different servo with same specs or better. I appreciate your thoughts and comments; I am just exhausting everything else. And I just like to find the best speed and torque mix.
HeliDirect Field Rep, Synergy N7 w/ OS 105, Torq Servos, Cyclone/ Rail blades
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