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10-10-2005 11:31 PM  12 years agoPost 1
Learn to Fly

rrKey Veteran

Yalesville Connecticut

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Hello,
I am getting my Trex this week I hope. I am going to go with a Castle Creations 35A ESC, AON 3500 motor, 401 gyro. Servos not decided yet...
This is going to be a 3D heli. I would like quick servos with some torque behind it too. Can you suggest some micros?

Are there micro digitals?

Ok thanks Jeff...


Jeff
Believe nothing you hear, and half of what you see...

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10-11-2005 12:00 AM  12 years agoPost 2
MikeInMobile

rrElite Veteran

Mobile, Alabama

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Most of the Trexes out there are using the HS56 ..... why be different !

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10-11-2005 12:39 AM  12 years agoPost 3
steve 01

rrProfessor

Grand Rapids MI

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HS 56 all around and hold on !!!

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10-11-2005 01:28 AM  12 years agoPost 4
ECOHELI

rrVeteran

Connecticut

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the hs56's work great! even for the tail.

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10-11-2005 03:20 AM  12 years agoPost 5
TMoore

rrMaster

Cookeville, TN

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For the money the Eflite servos are tough to beat and they are comparable to the HiTec's. They come with a nice output wheel and slightly stronger output arms. All for less than $14.00.

TM

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10-11-2005 03:40 AM  12 years agoPost 6
rstacy

rrElite Veteran

Rochester, NY

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Hey T,
I had to take the Eflites out after 4 flights.
At three flights they were way to sloppy and one completely failed on the fourth flight.
But what did I expect for $14??
They did have nice output arms.

The 56s are OK and I guess the popular choice.
I am running JR 281s now and they are tight but slow.
I have some Futaba 3103s coming in that I will be trying.

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10-11-2005 03:50 AM  12 years agoPost 7
TMoore

rrMaster

Cookeville, TN

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Ray,

Yeah, it depends on how hard you push them. They are good beginner servos. I'm still using the 94091 Micros from ATX. These SX's are real workhorses but most folks can buy two of the micros from anyone else for half the price.

I guess it depends on what you want to do with the servos.

I originally got a set of the 94761 digitals but if I use them I'll need to make a new set of CCPM frames to shoehorn them into. ATX needs some micro digitals with dual BB's and sub-size output splines.

Which of the Eflites do you have? The new ones with the smoked cases are the ones that I was referring to. The older black cased ones suck.

Terry

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10-11-2005 04:24 AM  12 years agoPost 8
Acidrain

rrNovice

Rochester, N.Y.

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THis is what i have for the tail

This is the HITEC/RCD (HRC) HS-50A Super Sub Micro Servo with "Futaba J"
Connector for very compact installations.

FEATURES: Compact size, resin gears,

SPECS: Length- 20.9mm (.82") Weight- 5.8g (0.20 oz.)
Width - 11.4mm (.44") Torque- 0.6kg/cm (8.4 oz/in)
Height- 22mm (.87") Speed - 0.09sec/ 60deg.

COMMENTS: For 4-cell (4.8V) use only

and the main servos are

FEATURES: Universal connector w/4" (102mm) 22 gauge lead.
Black plastic case.
White nylon output gear.
Single ball bearing design


SPECS: Length: 22.8mm (.90")
Width: 9.5mm (.37")
Height: 19.8mm (.78")
Weight: 6.2g (.22oz.)
Speed: .12 sec/60°
Torque: 11 oz/in

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10-11-2005 12:39 PM  12 years agoPost 9
rstacy

rrElite Veteran

Rochester, NY

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Which of the Eflites do you have? The new ones with the smoked cases are the ones that I was referring to. The older black cased ones suck.
I have the new servos with the smoked cases.
We are doing the usual 3D stuff with our Trex XL.
They quickly got sloppy around center and then one died.
I have them installed in a drawer for now.

Acidrain,
The HS-50A looks a little light in the torque dept. and I may be wrong but it looks like it has thin arms that will flex.

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10-11-2005 01:17 PM  12 years agoPost 10
Learn to Fly

rrKey Veteran

Yalesville Connecticut

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Thanks for the replys. I want a servo that will last a long time. I hate upgradeing when I could have started out with it in the first place.


Jeff
Believe nothing you hear, and half of what you see...

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10-11-2005 02:23 PM  12 years agoPost 11
TMoore

rrMaster

Cookeville, TN

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That's not good Ray.

I had high hopes for these servos.

TM

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10-11-2005 02:29 PM  12 years agoPost 12
rstacy

rrElite Veteran

Rochester, NY

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I did too Terry but it turned out to be sales hype.

Of course mine could always have been a "one off" event.

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10-11-2005 03:19 PM  12 years agoPost 13
Pepe Toño

rrApprentice

Mexico, DF - MEXICO

My Posts: All  Forum  Topic

I make the same question pls see this..

http://runryder.com/t187271p1/[/URL]


Pepe Toño

Un saludo desde Mexico

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10-11-2005 08:30 PM  12 years agoPost 14
Acidrain

rrNovice

Rochester, N.Y.

My Posts: All  Forum  Topic

I see allot about what servo to use but a better question could be asked is what should the ideal torque/speed be?

For the main servos and tail there are some nice ones out there, I have been looking at allot with up’s and downs to them all but if I had a nice ball park to work with I could better choose.

The ones that I did buy do seem to be low on torque, now would be a good time to get what I “need”

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10-12-2005 01:22 AM  12 years agoPost 15
didiwatt

rrNovice

Walla Walla, WA

My Posts: All  Forum  Topic

Wait untill you have an HS-50 fly apart during a high G manuever. The cases are just pressed together, no screws. Not good. HS-56 is holding up good so far.
Paul

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10-12-2005 01:51 AM  12 years agoPost 16
MikeInMobile

rrElite Veteran

Mobile, Alabama

My Posts: All  Forum  Topic

For any CCPM machine, repeatablitiy and precision are paramount. The Futaba servos seem to have the highest level of repeatability out there ...... Haven;t seen the specs on the digitals, but have heard that they are unreliable ..... Reliabilty is a GOOD thing to have

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10-12-2005 02:40 AM  12 years agoPost 17
E J Atchison

rrApprentice

Winsted, CT USA

My Posts: All  Forum  Topic

Wow, lots of thoughts on servos. I thought horizon was on to something with those new e-flite servos (good specs anyhow), but they need to make them so they will last.
Overall what I see here is most people including myself still like HiTec servos. I've got some of the new Futaba mini digitals on back order, hopefully they are better than what I read here.

I'll admit I'm not a great pilot, but I can hover with the best of them.

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10-12-2005 03:11 PM  12 years agoPost 18
Pepe Toño

rrApprentice

Mexico, DF - MEXICO

My Posts: All  Forum  Topic

From tower hobbies
This is a High Torque, High Speed Digital Mini Servo from Futaba.

**DO NOT USE WITH AM SYSTEMS!**

FEATURES: Coreless motor-a conventional servo motor has a steel core
armature wrapped with wire that spins inside magnets. In a
coreless design, the armature uses a wire mesh that forms a cup
that spins around the outside of a magnet. This arrangement is
much lighter resulting in smoother operation and faster response
time.
Nylon Gears
Designed for 1/12 or 1/18 scale onroad cars such as the HPI Micro RS4
One year warranty

INCLUDES: One servo with 4 rubber grommets and brass eyelets, and one 0.83"
(21mm) diameter round horn
Instruction/Precaution sheet
Warranty Card
SPECS: Length: 43mm between centers of side mounting holes
35.5mm servo body length
42.5mm between the centers of standard mounting holes
Width: 15mm
Height: 28.6mm
Weight: 0.9oz (26g)

SPEED: .14 sec/60degrees @ 4.8V
.11 sec/60degrees @ 6.0V
TORQUE: 3.6kg-cm @ 4.8V (50 oz-in @ 4.8V)
4.5kg-cm @ 6.0V (62.5 oz-in @ 6.0V)

COMMENTS: Will NOT work with these Futaba radios (4FG, 5FG/K, 6FG, 6FG/K, 7FG/K
New Terratop, 3EGX, 3PGE, 2NL, 2LGX, 2FR, 2PK series)
These radios have a servo neutral signal of 1310us not compatible with
this servo
***For MAXIMUM performance, a 6.0V battery is recommended***
6-11-03 rjm
ir/jxs
updated 8/7/03 jpg

Un saludo desde Mexico

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