Serco connections
#1
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From: Camas,
WA
Since I am new to this sport, could someone tell me how to hook up the servos to the receiver in a UCD. This plane has dual elevetors; how are they hooked up? I am using an eight channel Hitec receiver with a Hitec Eclipse transmitter. Thanks in advance.
#2
The simplest way is to probably use a y-harness. I dont know much about hitec so I cant really help you there. Im thinking about setting my plane up with dual elev. servos and I plan on getting a y-harness.
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From: Laurel, MD,
A Y-harness is the easiest way to do it. But you can wind up with some minor problems that way. Servos vary a little bit in speed, throw, and centering, just normal manufacturing variances. So you might find that your elevators don't track exactly with each other. Chance are, they will be close enough that you won't notice it in the air. But, if you do, there are a couple of other ways to hook it up.
The most common is to plug one elevator servo in to the elevator channel and another in to an unused channel (let's say channel 7). Then you use a mix to mix elevator->7 at 100%. If there is a "trim mix" or an option to allow the trim to follow the mix, make sure it's on, so the elevator trim lever moves both channels. You should also make sure any other switch or dial for that channel is disabled, so you don't accidentally cause one elevator to move.
The advantage to using two channels is now you can use the end point adjustments and sub trims on both channels to adjust the throw and center of one servo to match the other.
There are also boxes such as JR's Matchbox that are designed to hook multiple servos together on one channel. These boxes have adjustments to make the servos work exactly alike, but they aren't cheap.
The most common is to plug one elevator servo in to the elevator channel and another in to an unused channel (let's say channel 7). Then you use a mix to mix elevator->7 at 100%. If there is a "trim mix" or an option to allow the trim to follow the mix, make sure it's on, so the elevator trim lever moves both channels. You should also make sure any other switch or dial for that channel is disabled, so you don't accidentally cause one elevator to move.
The advantage to using two channels is now you can use the end point adjustments and sub trims on both channels to adjust the throw and center of one servo to match the other.
There are also boxes such as JR's Matchbox that are designed to hook multiple servos together on one channel. These boxes have adjustments to make the servos work exactly alike, but they aren't cheap.



