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Home✈️Aircraft🚁HelicopterAlignT-REX 600N › choose between servos???
05-16-2011 03:44 AM  8 years ago
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raptornut1

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bluefield,va-us

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choose between servos???
Hi guys biulding my first trex since Im a raptor guy and Im going to use either a futaba 3152 .22 speed and 72 oz torque or a hitec 5485 .20 speed and 70 oz. torgue for the cyclic which one would you prefer or any other suggestions? I only do some 3d like rolls,loops,stall turns.....Found both these servos on ebay for 20.00 apiece
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05-16-2011 06:22 AM  8 years ago
HiroboFreak

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Central Coast, NSW, Australia

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Personally I wouldn't use either of those servos.
Best bang for buck servos for would be the Align DS610's.
Many of us running them in FBL 90 sized heli's with great results.

I certainly wouldn't trust my heli to $20 servos.
T-rex700n VBar 5.3 Pro | T-rex700e DFC VBar 5.3 Pro | JR DSX9
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05-16-2011 07:13 PM  8 years ago
rcnut

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Rockford, Illinois

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^^+1

I second that! Either Align DS610 ($67.99 per) or Savox SAVSC1258TG Savox 1258TG Titanium Gear Standard Servo ($67.99 per). Same company.

Speces from; http://www.readyheli.com/SAVSC1258T...vo_p_37106.html
Features:
- Coreless motor for fast speed, high efficiency, and low power consumption.
- 12 Bits signal resolution for smooth performance.
- Fast speed and high torque.
- High strength, durable Titanium alloy gears.
- Aluminum mid-case construction for instantaneous heat dissipation, maintaining servo’s high efficiency.
- Supports digital and analog control signals.

Specs:
- Stall torque: 133.6 oz.in | 9.6kg.cm (4.8V) -- 167 oz.in | 12.0kg.cm(6.0V)
- Motion speed: 0.10sec/60°(4.8V) -- 0.08sec/60°(6.0V)
- Rating voltage: DC 4.8-6V
- Temperature range: -20°C ~ +60°C
- Dimension: 40.3 x 20.1 x 36mm
- Weight: 52.2g
- 1520μs standard band
The Trex 700 is a great flying heli. It can be very fast to respond. If you put much slower servos in, a few things "could" happen.

First, you could have the heli react faster than the servos can handle...not good.
Second, you "could" stall out the servos, strip the gear train...really not good.
And third, with a heli that fly's this good, why hold yourself back...enjoy what every other Trex owner enjoys.
Team Miniature Aircraft
"I love the smell of Nitro in the morning!"
...Citizen 654!
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05-16-2011 07:31 PM  8 years ago
Four Stroker

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Atlanta

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Everyone on here isn't made of money. Some are kids who cut grass and carry groceries or flip burgers. The 3152 has the minimum requirements - ball bearing. It should fly fine. At 0.22/60, not a crack 3D servo.

Used servos of any kind are an invitation to crashing.
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05-16-2011 08:26 PM  8 years ago
raptornut1

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bluefield,va-us

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Thanks all for the replys might wait awhile to save up for better servos,I still have raptors to fly meanwhile.....
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05-16-2011 09:02 PM  8 years ago
Four Stroker

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Atlanta

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That's not a bad idea. A low cost set of servos will get you into the air BUT they won't last long. The motors wear out. I have seen Raptors flying with $13 servos. They were toast before 50 flights.

Still I would rather have a set of NEW Futaba 3010's than some used servos off ebay. If you fly with the guy selling the servos, it's a different story.
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05-16-2011 09:07 PM  8 years ago
BladeStrikes

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Shelby TWP,Mi

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+1 on what Four Stroker said.

raptornut1,
Them servo's will work perfect for what you want.I had a Raptor 90 with Futaba S9202 servo's in it and they worked awesome.As you know,the Raptor uses 1 servo on pitch and 2 on cyclic.The Raptor is ALOT harder on servo's than the Trex 600 so you'll have no issues at all running them servo's you posted..

The servo's in my Raptor 90 were Futaba S9202's ::
56oz of torque and .27secs of speed @ 4.8V
69oz of torque and .22secs of speed @ 6V

The specs on my servo's are alot less than the one's you posted,in a much bigger heli that's WAY harder on servo's and they didn't stall or strip like rcnut said.Buy them servo and don't let someone scare you out of them,they will be fine..Here's my R90 with with the Futaba S9202's.

Watch at YouTube

Few hundred flight's on them servo's.
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05-16-2011 09:36 PM  8 years ago
rcnut

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Rockford, Illinois

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Sorry BladeStrikes, I wasn't aware money was an issue.

I personally can't see spending $140.00+ for the latest and greatest / must have servo because of the name, power, voltage range, etc. Not when you can get the same type of servo for half the price.

I did see the word ebay on the second read through, not sure if I would do that. Just my opinion.
Team Miniature Aircraft
"I love the smell of Nitro in the morning!"
...Citizen 654!
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05-17-2011 02:38 AM  8 years ago
jamming

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rockport,wa

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$399 on heliproz you can have 4 align 610's and a gyro and tail servo.
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05-17-2011 09:25 AM  8 years ago
raptornut1

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bluefield,va-us

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My raptor titan has airtronics servos and my raptor 30 has ds821 which I heard wasnt very good...but seems ok for just normal flight...You guys have been great with the replys I do want to spend as much as possible on good servos without breaking the bank
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05-17-2011 01:49 PM  8 years ago
rcnut

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Rockford, Illinois

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Just to let you know...the Align servos (DS610/620) and Savox servos are sometimes sold in a 3-pack saving you even more! As much as $57.99 per servo.Team Miniature Aircraft
"I love the smell of Nitro in the morning!"
...Citizen 654!
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05-17-2011 02:04 PM  8 years ago
BarracudaHockey

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Jacksonville FL

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I wouldnt use 821's in any nitro heli, that is asking for trouble.Andy
AMA 77227
http://www.jaxrc.com
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