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HomeAircraftHelicopterHIROBOOther › Collective servo recomendation for 50 Evo
11-06-2004 02:28 AM  13 years agoPost 1
peterpen

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Australia

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Hi all,

I am about to buy some servos for a 50 Evo. What is better? Fast servo or slow for collective.

I want to buy Futaba. Is the 9451 recommended or should I stick to the slower 9151. Both servos are in the 9-10Kg range.


Thanks

Peter

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11-06-2004 02:40 AM  13 years agoPost 2
Kinger

rrElite Veteran

Granville, OH

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Faster servo is always better for collective. Some good servos for the collective on the Evo are the Futaba 9252, 9350 and the Airtronics 94758Z. The later two could be considered overkill on a 50, but some folks just want the best in everything

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11-06-2004 03:14 AM  13 years agoPost 3
Jeff H

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Cincinnati, OH

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JR4131 on the EVO50 , 9252 on the Rap 50.
The EVO seems ( to me) to have more collective power.


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11-06-2004 03:08 PM  13 years agoPost 4
NewHeli

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Pittsburgh, Pennsylvania, USA

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Would a 3305 work? (99 oz-in @ 4.8V, .25@60, Metal Gear, 2 BB)

NewHeli

Nathaniel Rice
Team YS Engines

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11-06-2004 04:49 PM  13 years agoPost 5
I3DM

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Israel

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Yes it would work, but .25 is a little slow !

i use 94758Z on mine - killer collective power !

www.liorzahavi.com

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11-06-2004 06:28 PM  13 years agoPost 6
Garry-Boy

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Moscow, Russia

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I think S9350 would be good enough for EVO's collective

Garry.

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11-06-2004 07:40 PM  13 years agoPost 7
gumball3000

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CA,USA

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I'm used s9350 on my Evo . really good servo for 50 size

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11-07-2004 12:34 AM  13 years agoPost 8
Bobby Watts

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Orlando, FL

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I used a Futaba 9402 on collective. It is an analog servo, .13 sec at 90 oz of torque on 4.8 volts. Very reliable and higly recommended.

www.bobbywatts.com

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11-07-2004 01:08 AM  13 years agoPost 9
helibobby

rrApprentice

saklflsajl;/asdfasdf

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i think at times i need more power then what the 9252 puts out but it still works good.

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11-07-2004 06:27 PM  13 years agoPost 10
davehour

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Guayama, Puerto Rico 00785

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9255, new servo. 125 oz/in @ 0.16 sec. 4.8 V.

Thanks

David

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11-07-2004 06:47 PM  13 years agoPost 11
cwright

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Blossvale New York

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I am using a Futaba 9206 analog servo. It works well for me, but I don't fly hard either. Specs are .19 travel and 132 oz torque on 4.8 volts only. One thing I liked about this servo is the metal gears. I had a collective servo strip out before and thought I'd give this one a try. 4 gallons on this servo with no problems at all. Chuck

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11-08-2004 01:39 AM  13 years agoPost 12
NewHeli

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Pittsburgh, Pennsylvania, USA

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I'm guessing the 9255 is digital, and probably out of my price range . How much does it cost? Is it also metal geared?

NewHeli

Nathaniel Rice
Team YS Engines

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11-08-2004 03:46 AM  13 years agoPost 13
Reefer

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ShaTin, Hong Kong

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I'm using JR DS8425
Torque kg.cm 11.0 - Speed S/60 deg 0.19 - Size mm 34.5x19x39 Metal gears

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11-08-2004 11:52 AM  13 years agoPost 14
davehour

rrElite Veteran

Guayama, Puerto Rico 00785

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Hi:

Yes, the 9255 is digital. It's metal geared. Price: About $100.00.

Thanks.

David

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11-09-2004 02:53 AM  13 years agoPost 15
Jared Granzow

rrNovice

Columbus, OH

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9252 is definately good enough, however, if you are doing 3d(ie tic tocs and collective pumping) you will definately appreciate the extra power of the 9350 for the small price difference. As for other brands, I've never tried JR or airtronics, and hitecs have failed on me so I stay away.

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11-09-2004 03:45 AM  13 years agoPost 16
MooneyDriver

rrVeteran

Kent, Ohio

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Well,

You could use a 9252, or what I use on my MA Tempest, a 9252, or what I put on my Raptor 50, a 9252, or the 9252 I put on the MA Pro. Either way, you can't go wrong with a 9252. Of course, it might also help to know there is a REAL durable servo from Futaba called the 9252....

Hey man, why does my lipo get bigger every time I charge it?

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11-09-2004 01:04 PM  13 years agoPost 17
NewHeli

rrKey Veteran

Pittsburgh, Pennsylvania, USA

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I don't know if my budget will allow for $300 worth of just servos, in addition to everything else.

NewHeli

Nathaniel Rice
Team YS Engines

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11-09-2004 01:22 PM  13 years agoPost 18
Dr Lodge

rrElite Veteran

Guildford, Surrey - UK

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You only need one 9252, something like 9202s on the cyclics would work just fine - unless you're a hot doggin' 3Der.

Vibe 90, Vibe 50, Vigor CS x2,
Dyna-x, Knight 503D, Logo 10,
TRex 500, Furion, Gaui EP200

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11-09-2004 01:29 PM  13 years agoPost 19
peterpen

rrNovice

Australia

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Hi All,

Thanks for all the advice


I have ordered 3 of the new 9255 servos which are a replacement for the 9252 servos. More torque for approximately the same speed. They have almost 9kg of torque which will be more than adequate for about the same money as the 9252.

Here are the details;


The Futaba S9255 Digital High-Torque Heli Servo is ideal for heli applications that require increased torque, such as aerobatics and pattern flying.

Digital technology means quicker, more accurate response; double ball bearings makes for smoother operation.
Metal gears and a coreless motor that's protected from water and dust add to the S9255's durability.
SPECIFICATIONS
Dimensions: 1.6 x .8 x 1.4 in (40 x 20 x 36.6mm)
Weight: 1.9 oz (55g)
Speed @ 4.8V: 0.16 sec/60°
Torque @ 4.8V: 125 oz-in (9.0kg-cm)

http://www2.gpmd.com/image/f/futm0225.jpg

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11-09-2004 01:37 PM  13 years agoPost 20
PaulH-MA

rrVeteran

Boston, MA

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Almost as much torque as an S9151 and almost the speed of the S9252. Interesting!

--Paul

TREX 450
Bergen Intrepid Gasser x2

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HomeAircraftHelicopterHIROBOOther › Collective servo recomendation for 50 Evo
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