Wes
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  • Salinas, CA
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Effects of frame design on barometer performance ( and all other non 3.3 specific AC questions)

Started this discussion. Last reply by Antonio Vigoni Jul 17, 2016. 108 Replies

According to Randy the know issue of altitude loss after a high speed run is at its heart a frame issue.This seems to me a very worthwhile discussion to have.Once the majority of us understand this,…Continue

 

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Latest Activity

Antonio Vigoni replied to Wes's discussion Effects of frame design on barometer performance ( and all other non 3.3 specific AC questions)
"Thanks for the  feedback"
Jul 17, 2016
Chuck Taylor replied to Wes's discussion Effects of frame design on barometer performance ( and all other non 3.3 specific AC questions)
"After a few false starts, I can verify that the Zubax GNSS 2 modules work great with the latest firmware for the PixHawk (3.4rc1). I had been using the Pixhack, but it does not support UAVCAN. I switched to a PixHawk, but received a clone which did…"
Jul 13, 2016
Chuck Taylor replied to Wes's discussion Effects of frame design on barometer performance ( and all other non 3.3 specific AC questions)
"Still waiting for them to arrive."
May 23, 2016
Antonio Vigoni replied to Wes's discussion Effects of frame design on barometer performance ( and all other non 3.3 specific AC questions)
"Any news about altitude loss with Zubax GNSS 2"
May 22, 2016
Wes replied to Randy's discussion Copter-3.3 beta testing
"It was a Whitespy compass that I had trouble getting the orientation right with also. It is the only compass that I have used so far that required extra work to get it right."
May 21, 2016
Wes replied to Randy's discussion Copter-3.3 beta testing
"I had a similar problem once. The cause was the GPS, it was one of the ones mounted on a circuit board with out a clear way a identifying correct orientation. I was 90* off and upside down and had the symptoms you are describing. After verifying…"
May 21, 2016
Artem replied to Wes's discussion Effects of frame design on barometer performance ( and all other non 3.3 specific AC questions)
"it also has a lot to do with your thr_min and thr_mid parameters, set thr_min to the lowest possible setting which will spin your motors, than adjust thr_mid accordingly.  I think what it does it increases the resolution of the PWM signal, so…"
May 18, 2016
Richard Kennedy replied to Wes's discussion Effects of frame design on barometer performance ( and all other non 3.3 specific AC questions)
"I think it's all of the above. I added a plexi glass cover over my pixhawk and it instantly solved the problem so it's definitely not just aerodynamics but air pressure. After all it uses a barometer that can detect the difference in…"
May 18, 2016
Michal Dembinski replied to Wes's discussion Effects of frame design on barometer performance ( and all other non 3.3 specific AC questions)
"Hi, I was looking for the explanation of altitude loss when moving copter horizontally forward (and other directions) - but I never found a simplest explanation. When the craft is moving forward  it is leaning towards the front (pitch)…"
May 18, 2016
Paul Atherton replied to Wes's discussion Effects of frame design on barometer performance ( and all other non 3.3 specific AC questions)
"Emin, The Zubax unit looks awesome, but then so is the price - dearer than the most expensive pixhawk clone I ever bought (and that was with all the accessories!). As for the GLB link you posted here, I am not certain that this unit is i2c…"
May 12, 2016
Chuck Taylor replied to Wes's discussion Effects of frame design on barometer performance ( and all other non 3.3 specific AC questions)
"Just ordered 2 of these Zubax GNSS 2 modules with the barometer built in to see if this does the trick. May be easier than incorporating the barometer sensor separately."
May 12, 2016
Chris Hardwick replied to Wes's discussion Effects of frame design on barometer performance ( and all other non 3.3 specific AC questions)
"I have an update on the Gill static pressure port 3D model. I've continued to work on the design and manufacture. At this point I believe that I have a feasible, cost-effective solution. The 3D print house, Shapeways offers relatively high…"
Mar 18, 2016
Paul Atherton replied to Wes's discussion Effects of frame design on barometer performance ( and all other non 3.3 specific AC questions)
"Randy, I've been flying 3.4 today on my sawn-off (330mm) Turnigy Talon v2 framed quad (with AUAV-X2) and I must say it flies beautifully. With the external Baro, I get a much smoother lift off in AltHold than with 3.3.3 (with internal baro),…"
Mar 12, 2016
Emin Bu replied to Wes's discussion Effects of frame design on barometer performance ( and all other non 3.3 specific AC questions)
"Zubax gps have baro on itself...."
Feb 22, 2016
Emin Bu replied to Wes's discussion Effects of frame design on barometer performance ( and all other non 3.3 specific AC questions)
Feb 17, 2016
Emin Bu replied to Wes's discussion Effects of frame design on barometer performance ( and all other non 3.3 specific AC questions)
"I wonder how is results with Zubax GNSS 2 GPS with HMC5983(temperature resistant) and barometer on itself? https://zubax.com/product/zubax-gnss-2"
Feb 16, 2016

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About Me:
I am a machinist by day and uav tinkerer most of the rest of my time.
Please tell us a bit about your UAV interest
Tbs discovery modded...
Chimera running a vector...

Wanting to learn the Pixhawk...
Hometown:
Salinas

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