John Hanson's Discussions (32)

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.39 Mission Fun!

Just loaded 2.0.39 from MP .54 (stock AC frame, MB1200,compass). I tested sonar alt hold and loiter - seem very good now. Sonar hold stayed within a few inches (under .38 I got +-1 foot slow oscillation, no osc now). Loiter stayed good within a few f

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Dream safety system

It is true that as we progress things can get scary- no one wants to see thousands of dollars in copter and camera plunge to the ground. There has been talk of a parachute system, but I think it does need to be automatic. Things happen very quickly a

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Mission Time!

My unit (std quad, 2.0.37, sonar, mag) has been flying very well lately- I have hun a lot in stable, alt hold, loiter, simple with generally good results - now seems very easy to fly (except maybe not Steven Colbert!- check out UAV on 7-28 episode).

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Sonar Success!

I have had many sonar probs over the various releases and now I have gotten it working beautifully. I have the MB1200 (XL-EZ0) sensor, currently on 2.0.37 on stock AC frame. Initially I had the sonar hung with spacers 2" under the main body under one

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2.0.33 Joy!

Just loaded 2.0.33 into my AC (stock frame, well beaten- held together with tape, ragged props, no balancing, no antivibration, old board with no jumpers) and I cannot believe how far Jason has come! Stable mode flew great, no yaw probs, stayed flat

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Fun With 2.026

I have a std AC frame (no vibration damping, ragged old blades, kind of parallel arms, lots of tape and dings), old board without jumpers. Unit flies great with Ardupirates NG - sonar hold very accurate, good loiter, etc.

 I have flown earlier ACM ver

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Sonar Testing Issues

Having fun with 2.0.23 - sofar seems stable on stock AC frame with sonar. I am not having luck with default PID for sonar (log included). As soon as I hit alt hold it will sink, but occasionally rise. This is a typical log at the default .35 .05 .3 s

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Flying 2.16

SWEET!  My stock AC frame now seems very stable and yaw problem seems fixed.  This revision really seems noticably more stable.

The only thing I am still fighting is sonar (sensor xl-maxsonar EZ4) pid. With the defaults (.5 .1 .06) unit begins to slow

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Flying 2.12

Just loaded 2.12 - yaw probs seem better. I ended up with sonar PID of .5  .01  .2    rather than default .8 .01 .05    for my standard AC frame and now it is fairly stable in sonar altitude hold, but I think I still need to tweak a bit. Hope to run

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Is It Possible??

OK- we all know how well electric multirotor copters fly - no goofy linkages, tail rotors, airfoils, etc.  They fly like they belong in the air.

 

Is it possible to scale it up to lift a couple hundred pounds?  As far as I know, it has not happened but

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