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Old 06-09-2009, 12:25 PM   #1
rol2112
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Default 30% throttle servo ?

What is a good throttle servo for 30%-35% DA motors
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Old 06-09-2009, 03:26 PM   #2
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Default Re: 30% throttle servo ?

I like the JR DS811/821. But any standard servo will work. It just depends on how fast you want the servo to be and if you want plastic vs metal gears. I like the above servos because they are cheaper and fast, though they are loud. They are plastic gear but I run 8411's on my larger planes without issue as well (though I do try to switch the gears to 8411sa which is an all plastic set).
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Old 06-09-2009, 03:41 PM   #3
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Default Re: 30% throttle servo ?

I run the HS-5245MG Digital Mini on all my gas airplanes.

Control System: +Pulse Width Control 1500usec Neutral
Required Pulse: 3-5 Volt Peak to Peak Square Wave
Operating Voltage: 4.8-6.0 Volts
Operating Temperature Range: -20 to +60 Degree C
Operating Speed (4.8V): 0.15sec/60° at no load
Operating Speed (6.0V): 0.12sec/60° at no load
Stall Torque (4.8V): 61 oz/in. (4.4kg.cm)
Stall Torque (6.0V): 76 oz/in. (5.5kg.cm)
Operating Angle: 45 Deg. one side pulse traveling 450usec
360 Modifiable: Yes
Direction: Clockwise/Pulse Traveling 1500 to 1900usec
Current Drain (4.8V): 3mA/idle and 180mA no load operating
Current Drain (6.0V): 3mA/idle and 230mA no load operating
Dead Band Width: 1usec
Motor Type: 3 Pole Ferrite
Potentiometer Drive: Direct Drive
Bearing Type: Dual Ball Bearing
Gear Type: 4 Metal Gears, 1 Resin Gear
Connector Wire Length: 11.81" (300mm)
Dimensions: 1.3" x 0.7"x 1.2" (32 x 17 x 31mm)
Weight: 1.12oz (32g)

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Old 06-09-2009, 04:16 PM   #4
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Default Re: 30% throttle servo ?

I use the Hitec 5625 and have had no issues.
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Old 06-09-2009, 04:38 PM   #5
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Default Re: 30% throttle servo ?

i also run the 5245's. they seem to work well and plenty fast, and i like that they are metal geared.
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Old 06-09-2009, 06:31 PM   #6
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Default Re: 30% throttle servo ?

I was using standard servos in mine, Futaba S3304 ( 0.19 sec/60° @ 6.0V ).
I have changed to Hitec HS-6965HB servo.
.08 sec/60° / 111.09 oz.in @ 6.0V , weight is 1.83 oz.
What a differance, the high speed makes all the differance in the world.
Throttle response is on tap as fast as you move the stick.
The speed is well worth the extra $$$'s.
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Old 06-09-2009, 07:20 PM   #7
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Default Re: 30% throttle servo ?

Look at the Futaba S9650. It's a digital mini that weighs .92oz, .11 transit time, 63oz of torque all at 6 volts.
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Old 06-09-2009, 11:21 PM   #8
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Default Re: 30% throttle servo ?

We have been using JR DS368BB with 60oz on 6v, .83 oz and .18 speed with metal gears on our gas applications with geat success.
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Old 06-09-2009, 11:31 PM   #9
Wild Thang
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Default Re: 30% throttle servo ?

Futaba S3003...
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Old 06-09-2009, 11:43 PM   #10
en1
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Default Re: 30% throttle servo ?

I use a JR 8411 on my DA 50.... Just be sure to program travel carefully..... it got rid of my throttle servo problems....
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Old 06-10-2009, 12:17 PM   #11
heligrom
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Default Re: 30% throttle servo ?

Any standard servo will work fine. I personally don't find anything wrong with plastic gears, but karbonite would work well if you dont want to shell out for MG's.
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