Espritmodel.com Telemetry Radio
Reply
Thread Tools
Old Nov 05, 2012, 08:14 AM
Fly,crash,repair,repeat.
neoalchemist74's Avatar
United States, CO, Longmont
Joined Oct 2011
40 Posts
Quote:
Originally Posted by Alan Hahn View Post
No, the rpm the governor is controlling is the motor rpm, not the head rpm. If something is slipping in the power train, the ESC has no clue about that.
Oh, Ok. but why does the esc go into shutdown mode then restart? I should mention that it was doing the same thing when running an external governor.
I switched back to the castle governor in attempt to rule out fault in the external gov.
neoalchemist74 is offline Find More Posts by neoalchemist74
Reply With Quote
Sign up now
to remove ads between posts
Old Nov 05, 2012, 08:52 AM
Registered User
Chicago 'burbs
Joined May 2006
1,695 Posts
Quote:
Originally Posted by neoalchemist74 View Post
Oh, Ok. but why does the esc go into shutdown mode then restart? I should mention that it was doing the same thing when running an external governor.
I switched back to the castle governor in attempt to rule out fault in the external gov.
To answer that question I'd have to really know the governor algorithm, and I don't. I have guesses etc., but that wouldn't help you. I think my basic belief is that when something happens which is way out of the ordinary (load goes to zero while throttle input stays constant), the algorithm just falls into some "safe" value that can't hurt itself. Like I said, that is just a guess on my part.

If your setup isn't slipping anywhere, then my original suggestion that it could possibly explain your problem is moot!

Also if this happened running an external governor, then CC's particular governor algorithm isn't the issue.

It has been a couple of days since I looked at your plot. If you hover the cursor over the point where the dropout occurred, do you see a pop-up explanation of why it happened? Sometimes the ESC notes an issue and seems to store an error message. I haven't seen it myself. I also think you normally would see a vertical gray bar in the error case too, which I don't see in your plot.

Maybe someone else could chime in.

Finally, maybe it is the newer algorithm, or even the ESC hardware. It does happen, maybe not as often as user error (), but it does occasionally.
Alan Hahn is offline Find More Posts by Alan Hahn
Reply With Quote
Old Nov 06, 2012, 06:06 PM
Fly,crash,repair,repeat.
neoalchemist74's Avatar
United States, CO, Longmont
Joined Oct 2011
40 Posts
Well guys, it appears the this time the problem was actually the esc and not user error (which is a surprise) I've replaced the esc and poof! problem gone. weather permitting I'll be putting a few packs through it this week and then I'll be absolutely sure. But other than that I'm back in the air (WOO HOO!) just in time for winter...booo!
neoalchemist74 is offline Find More Posts by neoalchemist74
Reply With Quote
Reply


Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
Discussion Unexplainable NAZA GPS Wreck acbruno Multirotor Talk 0 Aug 01, 2012 04:15 PM
Discussion Power cut off, need help balone10 Electric Ducted Fan Jet Talk 3 May 08, 2012 05:12 PM
Discussion Unexplained interference - video attached - Any Ideas? John Webb Radios 4 Mar 14, 2012 10:17 PM
Unexplained loss of power......(video) 2thDr Aerial Photography 20 Apr 09, 2005 11:35 PM
Unexplained lipo power loss problem fmidgett Batteries and Chargers 9 Aug 10, 2004 04:02 PM