"Excellent project.
I would like to test fish sonar attached to a GPS-enabled boat to collect and process data.
Visiting Aliexpress I get many fish sonars but technical specifications are missing.
 …"

"Thank you Michael for your excellent job.

Could you tell me if in the past you have been approached by law enforcement officers to provide expert's opinion in pending drone crash reported to FAA under new personal drone (aircraft) legislation
of…"

"r&d reports are generally published in open,
especially in case, they may refer to public safety in open airspace.
In theory RPM badly matched performace vs. ESC PWM input
can be compensated by Pixhawk run APM
but in practice badly matched…"

"My lawyer advised me to request you to stop following me
and asking strange questions, not relevant to subject matter.

You are violating forum rules."

"No problems with your semantics.

Do motors in Solo and other models by 3DR feature the same syndrome ?

Did you do labs-grade motor stand tests and can share performance charts, RPM vs. PWM input for tested motors by make, model, type, power,…"

"@Justin,
telemetry log files come with .tlog extension in case of Mission Planner, Tower.

Get it from Tower."

"@Sgt Ric,

let me in to buy all the trash by my lab for students.
email me back
manta103g@gmail.com"

"@Jimmy Underhill,

you claimed feature making not preselected motor not fit to build personal drone.
Could you name manufacturer, type, model, manufacture year of motors tested by you to let me verify you claims directly with a manufacturer ?

If…"

"@Jimmy,

are you in position to verify your opinion by live motor test data ?

What you say could ground all DIY drones built from parts purchased remotely,
under new legislation on personal drone airworthiness pending in Senate.

"
if you give two…"

"@climr,

I am in touch with FAA to let us study personal drone incidents exactly as profis do
to let us study RPM for individual motor.

I am developing professional tools based on Mission Planner, Mavlink protocol to support All RPM drone control…"

"follow-up
3D printed electronic circuits
http://www.printedelectronicsworld.com/articles/9263/optomec-3d-pri...

"
Optomec has announced its Aerosol Jet® technology is being used by LITE-ON Mobile Mechanical SBG (LITE-ON) for high-volume production…"

"@Dorjano,

I invite Forrest, you and everyone to join my
Open Technology Park to study performance of ESC by make.
Forrest can manage Global ESC Labs and small staff of
researchers, engineers with university background
and study what he likes.

I…"

"@Michael,

thank you for your excellent Mission Planner, excellent tool for  Drone Crash Investigators with FAA

BTW1
I exactly got the same error, so Auto Analysis is down for me.
Maybe the case is log file from one build is not fit to open for…"

"@Forrest

"
Is the Al block large enough to absorb all the heat transferred from the ESC in a 10 minute flight? 
"
I can give you correct answer.
There is no need for Al block to absorb all the heat transferred from the ESC in 10 a minute flight,…"

"Stephen,
"
An instantaneous spike of accZ down to -40 does not indicate freefall.
"
who claimed otherwise ?

AccZ = -40  = 4 x G, so 3 xG up in the sky.
How is going up vs. landing ?

Current = ZERO failsafe is clear in case of burnout, battery…"