Whats the real dif between SPMSA6030R and SPMSA6030 servos - RCCanada - Canada Radio Controlled Hobby Forum
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Old 03-10-2012, 06:24 AM   #1
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Whats the real dif between SPMSA6030R and SPMSA6030 servos


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What exactly does "REVERSED" mean?

At five bucks a servo (before taxes of course) it's worth asking,
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Old 03-10-2012, 06:34 AM   #2
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Re: Whats the real dif between SPMSA6030R and SPMSA6030 servos

They spin in opposite direction on the same command. Phil
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Old 03-10-2012, 06:45 AM   #3
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Re: Whats the real dif between SPMSA6030R and SPMSA6030 servos

Lets revise the question a little

What is different to make these servos sold as "reversed" compared to the norm?

Gears appear to be the same, is it a manufacturing screw up? Intentional use of a different motor or wiring configuration internally?
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Old 03-10-2012, 07:05 AM   #4
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Re: Whats the real dif between SPMSA6030R and SPMSA6030 servos

one servo will turn clockwise (normal )the other will turn counter clockwise (reversed)when serving on the same channel ,useful on elevator setups when using a Y harness on a single channel. Roger
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Old 03-10-2012, 07:10 AM   #5
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Re: Whats the real dif between SPMSA6030R and SPMSA6030 servos

lol, thanks Roger, see you in a couple of hours
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Old 03-10-2012, 07:14 AM   #6
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Re: Whats the real dif between SPMSA6030R and SPMSA6030 servos

you can also buy a servo reverse lead(servo lead) that will change the direction of the servo, this is somewhat old tech as most radios have independent channels and the ability to reverse all servos.
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Old 03-10-2012, 09:01 AM   #7
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Re: Whats the real dif between SPMSA6030R and SPMSA6030 servos

You can take a standard servo, open it up and reverse it by changing the wiring internally.
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Old 03-10-2012, 10:16 AM   #8
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Re: Whats the real dif between SPMSA6030R and SPMSA6030 servos

Reversed servos are also used in servo operated retractable landing gear. One reason they would be 5 bucks more is that they are far less popular and assembled on their own production run.

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Originally Posted by OLD PRAIRIE RED NECK View Post
You can take a standard servo, open it up and reverse it by changing the wiring internally.
Make sure you study up on reversing servos first though. I let the smoke out of a couple.

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