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  • VaNDAL_UK: ANyone FPV onver Sutton Park Birmingham?
    December 07, 2018, 12:54:30
  • steveo9007: Cheers Atom was just a thought for now as I plan on keeping it well in range until I get comfortable with controls and flying
    December 05, 2018, 21:01:25
  • atomiclama: steveo You can just plug a GPS puck into the FC and get the OSB to display the coords, record the VTX and when things go tits up you have the last known posistion. Whislt not accurate it is a good starting point. Or get the coords sent back by telemetry to you TX which will be more accurate as long as power is maintained to the quad and it is range with the TX. Just some thoughts.
    December 04, 2018, 12:27:26
  • steveo9007: Is there a post on here about the 433mhz telem tx ??
    December 04, 2018, 07:56:49
  • steveo9007: ok thanks shaw
    December 03, 2018, 20:31:44
  • shawdreamer: meanwhile the 433mhz telem option I mentioned gives you live fixes in realtime and not "delayed texts"..... plus it doesnt cost you credit everytime you request a gps fix (btw the tags sim card also needs to have credit on it :laugh:)
    December 02, 2018, 20:47:10
  • shawdreamer: and yes that does actually work..... I tried it for a laugh a couple of years ago ::)
    December 02, 2018, 20:45:09
  • shawdreamer: the tags do as you say use satellites to get positional fixes but they dont immediately report those fixes to an App, each tag requires a Sim card (same as your phone) which is used to "text" you the tags position..... in other words you could get the exact same effect by strapping a old smartphone to your frame with the google "where is my device" app installed
    December 02, 2018, 20:44:13
  • steveo9007: doesnt the tag communicate with the satellites and not via a data system, isn't it the user who owns the tag go via data to the app that can locate the tag ???
    December 02, 2018, 18:18:11
  • shawdreamer: plus, alot of the lower end trackers struggle with GPRS and often rely heavily on GSM data instead which is just not worth a sh1te when it comes to pinpointing a downed frame
    December 02, 2018, 16:23:30
  • shawdreamer: most readily available gps trackers are not really suitable for anything smaller than a 400 sized frame as the units themselves are often too bulky for anything smaller and larger frames often already have their own gps setups that can simply be outfitted with a 433mhz telem tx that would report live and accurate info direct to a ground station so there'd be no point in a sms type tracker
    December 02, 2018, 16:22:07
  • steveo9007: anybody fitted a GPS tracker tag to their drones if it gets lost and is need to find it
    December 02, 2018, 14:56:36
  • Gav: yeah too much of a hike for me too.  was tempted with the bike show the other week but TBH its not worth it - no bargains anymore and rip off parking
    November 29, 2018, 20:11:21
  • Bad Raven: Too far for me.
    November 29, 2018, 08:27:36
  • hoverfly: Sunday drone show , N.E.C.  anybody   going.??
    November 28, 2018, 18:36:04
  • Bajadre: Congrats DB brother  !!!
    November 25, 2018, 03:09:56
  • hoverfly: I wish i haden't eaten a whole ham and egg pie........ pass the Rennies.. :cry
    November 21, 2018, 17:23:37
  • ched999uk: Don't yo just hate those days where you wish you never got up!!!!!!
    November 21, 2018, 15:46:06
  • Reman: Isn't it a spooky coincidense how seconds before banggood have a sale nearly all the prices of the on sale items go up, But the discount drops the price back to the pre sale prices?
    November 21, 2018, 05:46:29
  • DarkButterfly: Certainly hard work but well worth it ::)
    November 19, 2018, 22:19:02

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Author Topic: Micro gradually self levels ( pitch ) in acro mode  (Read 164 times)

Offline Ern Stock

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Micro gradually self levels ( pitch ) in acro mode
« on: October 04, 2018, 19:18:41 »
Am somewhat new to betaflight.
Have a slight problem , as per title.
Seems to be in pitch mostly , is slower than angle mode self level .
Model is a stock snapper 7 , with crazybee fc, 703 brushless motors , on dsmx.
Laptop has betaflight 10.4.0. Shows firmware BTFL 3.5.0 , target CBFR , and cpu load 34%.
Things I've tried ;
Switch off accelerometer.
Put acro (nowt) / angle / horizon on a switch and enabled show-mode on osd.
Upping I term drastically  (110) then also P & D terms.

Strange thing is that my tiny whoop ( brushed ) from about 2 years ago ( on cleanflight ) had the same issue ! The only notes I have from it are the pids which were high ( I term at 110 ) , and I absolutely can't remember how I solved the issue / was it that high I term ?
Must have been a fairly simple fix for me to have found it.
Any advice gratefully received.

Offline Cheredanine

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Re: Micro gradually self levels ( pitch ) in acro mode
« Reply #1 on: October 04, 2018, 21:27:07 »
Typically, although it feels like it is levelling, what is actually happening is the quad is very slowly pitching back, this is generally because the fc is reading the tx signal on pitch as being off.

Recalibrate your radio, then, props off. Power up while connected to configurator, and the radio on, go to the receiver tab, check what mid throttle on pitch (and whilst you are there, roll and yaw) reads, they should stay on 1500, if not adjust the sub trim on the radio so they are. If they move about a bit, add enough deadband to cover it

Offline Ern Stock

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Re: Micro gradually self levels ( pitch ) in acro mode
« Reply #2 on: October 05, 2018, 16:57:02 »
Well that sorted it !
Many many thanks.
An easy to follow solution , and you even managed to describe the symptom/ problem better than me.