? Mixing digital and analog servos dx8 11ms - RCCanada - Canada Radio Controlled Hobby Forum
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Old 01-07-2012, 09:46 AM   #1
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? Mixing digital and analog servos dx8 11ms

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Hi i am built a pulse 125 xt and put in 4 ds821 digital servos and 1 jr race none digital servo for the throttle. With my new dx8 set it to 11ms and was concerned that the none digital throttle servo would fail at 11ms should i be concerned and mach up all servos to the recommended ds821
thanks ben
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Old 01-07-2012, 01:33 PM   #2
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Re: ? Mixing digital and analog servos dx8 11ms

Hi Ben.

If the servo doesn't blow up in 5 minutes of testing, you should be fine.
I run analog servos on my Airtronics (Super fast) radio all the time. Never an issue.
Maybe there is some weird "Spectrum Issue" but I seriously doubt it.

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Old 01-07-2012, 02:56 PM   #3
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Re: ? Mixing digital and analog servos dx8 11ms

JR 821's can be picked up for ~$20 in lots of places. Buy one and don't worry.

I do know that the Spektrum manual indicates not to use 11ms with Analog servos. There must be a reason related to the servos ability to respond I suspect.

Can't find a definitive speed for the Airtonics system just says it's fast. So don't know about that system but if you have a need to do the 11ms just buy another servo.

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Old 01-08-2012, 07:47 AM   #4
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Re: ? Mixing digital and analog servos dx8 11ms

The 11ms frame rate on the DX8 is only active on the 'primary' channels:

Ch 2 - aileron
Ch 3 - elevator
Ch 6 - Aux1/2nd aileron channel

All other channels including the throttle update at 22ms. Your throttle servo should be fine.
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