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Old 03-18-2021, 09:16 PM   #1 (permalink)
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Default 6250HX self test ?

Hello friends

Does your 6250HX self-test when powered on? Like VBAR and MB the swashplate will jump
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Old 03-19-2021, 02:56 AM   #2 (permalink)
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Not sure exactly what you mean, but I have not seen the VBar or MB initialize. The servos move a bit when the FC6250HX is plugged in, so you should free the blades prior.

Unfortunately the view is obstructed a bit by Toms hands, but if you look at 4:30 in this video you can se the blades twitch when plugged in:

Part 6 - Final Steps and Preflight Checks - Spektrum 6250HX Flybarless Controller Setup Series (7 min 59 sec)
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Old 03-19-2021, 01:54 PM   #3 (permalink)
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Quote:
Originally Posted by neowu4 View Post
Hello friends

Does your 6250HX self-test when powered on? Like VBAR and MB the swashplate will jump

Mine doesn’t. Within seconds my light is green and no servo jumping like other fbl units.


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Old 03-19-2021, 05:06 PM   #4 (permalink)
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Brian mentioned that at some point, the jumping swash was going to be eliminated as it really serves no direct purpose. However, there maybe a purpose for it to jump more than once or twice if there is an error in its initialization. I really don't need nor want the swash to jump on any of my helicopters at startup unless there is something wrong but that's just me. Take care.

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Old 03-19-2021, 05:10 PM   #5 (permalink)
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Both of mine do (servo twitch and beeps).
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Old 03-19-2021, 08:26 PM   #6 (permalink)
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Well, thank you, my friend, it is true that the light is green immediately after powering up and there is no servo jumping like FBL
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Old 03-24-2021, 05:59 PM   #7 (permalink)
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Open Stock Firmware;

Initialization and tests are completed in under 1/2 of a second and the 6250hx is ready to fly. The led will flash red/green/blue indicating initialization is complete (only the led indication was mentioned in the manual). After that the led will then flash green (receiving channel data from the tx) or red flash (fail safe aka no channel data from the tx).

Quite a few servos are not up and running that quickly so the swash jump lead to some inconsistent movements or no movements in a lot of cases so the swash jump was removed.

Removing the swash jump does help to speed up initialization a little and avoids any collective jumps if your power system/bec should brownout in flight.

RTF/BNF Firmware will be a mix for now, as new firmware updates are released the swash jump will go away but since it works fine in these cases its not worth releasing new updated firmware to remove the swash jump by itself.


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Last edited by brianbremer; 04-07-2021 at 10:02 AM..
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