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| MSH Protos 700/800 MSH Protos 700/800 Helicopter Support Forum |
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07-24-2017, 12:38 PM
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#1 (permalink) |
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Registered Users
Join Date: Feb 2015
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Servo Choice for EVO 770
Bought a set of good condition used MKS HBL960 (cyclic) and HBL990 (tail) a while back and thinking about using them for my 770 Evo build. Will they be sufficient?
My current blade of choice will be the RT 760's, but toying with the idea of Align 780's at some point. Servo specs are: HBL960 : 0.10 sec/60° - 229.14 oz/in @7.2V HBL990 : 0.03 sec/60° - 87.49 oz/in @8.2V I read that OTS said that any modern servo will work, but is there a minimum recommended torque/speed rating for the 770 Evo? Thanks! I also have some BK 8001 bls and Xpert 5401 bls, but they would require playing 'musical heli part swap'... |
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07-24-2017, 12:44 PM
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#2 (permalink) |
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Registered Users
Join Date: Apr 2011
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Those servos are plenty. I wouldn't hesitate to use them with any large heli. Specs are super flashy but they are great in the air from all reports.
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07-24-2017, 02:02 PM
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#3 (permalink) |
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Registered Users
Join Date: Mar 2009
Location: Puerto Rico (but i am Canadian)
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Nothing wrong with those servos. The will work very well.
OTS is right. Basically any modern servo will work. Go back 4-5 years and many servos had half the torque. Align 610's for example. I know many guys who still use them. Maybe not on an 800 but many many 700's. |
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07-24-2017, 02:51 PM
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#4 (permalink) |
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Registered Users
Thread Starter
Join Date: Feb 2015
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Thank you both for the replies
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07-24-2017, 04:35 PM
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#5 (permalink) |
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Registered Users
Join Date: Jan 2009
Location: NorCal
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MKS is one of the best servos on the market. I think you will be really happy with what you have.
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07-25-2017, 03:02 PM
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#6 (permalink) |
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Registered Users
Join Date: Mar 2011
Location: West Seattle, WA, USA
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My current favorite full size servos are the Xpert R1 and R2 servos. That been said, I've never experienced any issues with MKS servos. I used the earlier generation MKS HBL950/980 servos on a heavy 700 size Miniature Air Whiplash and they perform flawlessly. I can only assume that your next generation HBL960/990 will not disappoint.
__________________
14S Specter 700 V2 NME/Tron 7/Kraken; 8S Tron Dnamic; 7S Kraken 580; 6S Buddy 380 KSE VBCE/Neo/EVO, Jeti/Spirit, YGE "T" ESCs; LiFePO4 field charging batteries Sims on Mac: Heli-X, neXt, AccuRC, Phoenix, AeroFly RC7 Ultimate Amain Team Pilot |
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07-25-2017, 08:28 PM
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#7 (permalink) |
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Registered Users
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I like Futuba's 255/256, or 272/276.
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Diabolo 550 Vbar NEO : Diabolo 600 Vbar NEO : Diabolo 700 Vbar NEO: OXY 5 Vbar NEO : Logo 600SX V2 Vbar NEO : SAB G380 Vbar NEO : OXY3 TE : Vbar Control : Citizen 735 |
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07-30-2017, 09:10 AM
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#8 (permalink) |
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Registered Users
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I just bought an evoluzion, and it came with Futaba 272/276 combo. I'm sure the tail will be just fine, but do these cyclic servos have enough torque for 760mm setup?
Tia!
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07-30-2017, 09:27 AM
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#9 (permalink) |
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Registered Users
Join Date: Apr 2011
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Should be perfectly fine. I've seen people get away with bls 451s on a goblin 770.
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07-31-2017, 09:55 PM
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#10 (permalink) |
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Registered Users
Join Date: Jul 2007
Location: Melb, Oz
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Matt Botos was running 272's on his Synergy 766 so I think they will be fine.
//Dennis.
__________________
soXos: Strike 8.1 - Strike 7.1 Light - Strike 6.1 : Goosky: RS7 - RS4 - S2 - S1 soXos DB7 nightflyer : Jeti DS-16 & DS-12 I am www.soxosaustralia.com.au | soXos helis | 1st-RC Products | EGODRIFT motors | Goosky helis | Spinblades |
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