3DR Apps fail at sending support ticket

[Shad]

I've got a "calibration error" on an new solo (3 short flights) and have been trying to submit a support ticket through the app (both ios and android) for the past 3 days. Each time it gets to what appears to be the end of the progress bar and then says that the support ticked could not be submitted. Anyone else having problems?

 

[andrew.baker.142]

I'd recommend you do a quick search on this forum for a solution. Calibration errors are usually easy to fix. Even if you were successful in submitting a trouble ticket it would probably take three or more weeks for them to get back with you.

 

[Shad]

The calibration error was due an accelerometer problem. I tried calibrations (failed) and hard resets with no luck. I saw someone else on the forum tried to "unstick" the accelerometer by hitting the bottom of the solo. I tapped the pixhawk cube when I had access to it with the gimbal off and, sure enough, it seemed to fix the problem. It calibrated and flew fine. Lets hope its not a temporary fix.

 

[just_bruce]

The calibration error was due an accelerometer problem. I tried calibrations (failed) and hard resets with no luck. I saw someone else on the forum tried to "unstick" the accelerometer by hitting the bottom of the solo. I tapped the pixhawk cube when I had access to it with the gimbal off and, sure enough, it seemed to fix the problem. It calibrated and flew fine. Lets hope its not a temporary fix.

It shouldn't be. The "tap" method is based on the fact that Solos IMUs are based on ME MS devices that occasionally suffer from stiction (usually as a result of of a crash or other rough handling). The tap, if applied properly, can allow the microscopic parts to return to their proper, non-contact, functional positions. Anti-stiction is still a major research area....

 

[Shad]

Its a technique that certainly has its uses. Back when I was a research assistant working in Purdue's aerospace labs (early 90's), we had an old computer with a 2 MB hard drive running a wind tunnel. It was never shut off. If the power went out, you had to smack the computer to get the bearings unstuck to get it to start spinning.

 

[just_bruce]

Ah, static friction versus dynamic. Amazing sometimes the difference.

Was that massive hard disk MFM/RLL per chance? Two huge connectors and then some jumpers for like 256KB/s.