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Old 03-26-2005 | 02:03 PM
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Default split elevator

Am using a split elev on a 1/4 scale stick with 3004 bb servos. The guys at the field say to use two servos tied in with a y connector. There are two ways to run it. Either a reverser or use a Futaba servo on one side & a hitech on the other since hitech runs reverse from futaba. The question is what hitech servo is compatible to a 3004 futaba servo. Any ideas will be helpfull
Old 03-26-2005 | 05:23 PM
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Default RE: split elevator

I would use the reverser or a reversed 3004 servo. I don't think using two different brands of servos is the best idea. Under a load one is bound to be stronger than the other. This will corkscrew your plane into the ground IMHO.
The Expert brand servo reversing Y is only $15 or so.


David
Old 03-26-2005 | 07:25 PM
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Default RE: split elevator

What transmitter and receiver do you have?
Old 03-27-2005 | 09:11 AM
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Default RE: split elevator

ORIGINAL: jadec96

Am using a split elev on a 1/4 scale stick with 3004 bb servos. The guys at the field say to use two servos tied in with a y connector. There are two ways to run it. Either a reverser or use a Futaba servo on one side & a hitech on the other since hitech runs reverse from futaba. The question is what hitech servo is compatible to a 3004 futaba servo. Any ideas will be helpfull
The other thing you can do is use a regular Y connector and install one of the servos OPPOSITE of the other - one servo has the output shaft closer to the elevator than the other one. Your push rods will be of different lengths.

Several manufacturers of split elevator ARFS recommend installing the servos this way.

Old 03-27-2005 | 09:15 AM
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Default RE: split elevator

I just finished building a Great Planes Patriot XL, It has a split elevator also, so I mounted one servo upside down, seems to work great.
Old 03-27-2005 | 11:00 AM
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Default RE: split elevator

Geistware, am using a Futaba T6exa trans & Fp-r127df rec. I guess the best thing to due is turn one servo upside down. That way the speed & torque will be the same.
Old 03-27-2005 | 03:47 PM
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Default RE: split elevator

I would recommend that you use one futaba and one JR servo.
They turn in opposite directions so you will not need a reverser.
ORIGINAL: jadec96
Geistware, am using a Futaba T6exa trans & Fp-r127df rec. I guess the best thing to due is turn one servo upside down. That way the speed & torque will be the same.
Old 03-27-2005 | 08:32 PM
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Default RE: split elevator

That is the same as using a hitec standard bb servo. Will the jr plug into a futaba rec. also,is the speed & torque the same.

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