renaud barbier
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renaud barbier's Discussions

ultimate uav website launched

Started this discussion. Last reply by NASMO Oct 9, 2014. 1 Reply

hello guys,we are a dubai based UAV manufacturer and service provider.we've been working quitely in the past few years providing custom drones to film companies and individuals.Over the last 12…Continue

pixhawk crash. sudden motor stops... reset?

Started this discussion. Last reply by Andre K. Jul 27, 2014. 1 Reply

hello,was flying today and suddenly the motors stopped and the copter fell. it was fortunately not too high and damage is mainly the landing gear.here is attached the log, if someone can tell me what…Continue

power a DJI A2 with 7S

Started this discussion. Last reply by zane Apr 1, 2014. 2 Replies

hello guys, whats your recommendation on how to power a DJI A2 controller when motors runs on 7S or more...?A2 PMU is only 2-6S...Continue

large U8-135kV quad tunning

Started this discussion. Last reply by Scott Feb 19, 2014. 1 Reply

http://www.youtube.com/watch?v=1_XdFcAjjKchi,running AC3.1 on a new large quad with U8-135kV and 29" props.after lots of difficulties…Continue

 

renaud barbier's Page

Latest Activity

renaud barbier commented on Greg Nuspel's blog post New Blackmagic drone camera
"lets wait for some raw footage samples! hope it comes soon!"
Apr 14
renaud barbier commented on Greg Nuspel's blog post New Blackmagic drone camera
"what do you think about the 65mbps vs 200mbps of a pocket?"
Apr 13
renaud barbier commented on Greg Nuspel's blog post New Blackmagic drone camera
"and if HD is not enough.... blackmagic micro 4K I have few concerns: the mico has 65Mbps vs 200Mbps for pocket.... the micro cinema specs shows global shutter and 65Mbps while the mico studio 4K specs does not talk about global shutter and specs…"
Apr 13
NASMO replied to renaud barbier's discussion ultimate uav website launched
"The store page on your website is not working. Can you please let us know the pricing information of your products. Thank you."
Oct 9, 2014
renaud barbier posted a discussion

ultimate uav website launched

hello guys,we are a dubai based UAV manufacturer and service provider.we've been working quitely in the past few years providing custom drones to film companies and individuals.Over the last 12 months we've been working hard to develop a compact drone with high lifting capability and a quite nice fly time. THE STORM X8.we are proud to share with you our newly openned website (webstore with cool parts to follow in the coming days)…See More
Oct 9, 2014
Gaucho commented on renaud barbier's blog post Microdrone md4-1000 - incredible flight time
"i was wrong, i read the entire thread (very long) about the 128 minutes reached by a guy with 120cm diagonal carbon fiber essential drone. i apologize for my previous message."
Sep 6, 2014
Don LeRoi commented on renaud barbier's blog post Microdrone md4-1000 - incredible flight time
"There are mistakes in my posts, a few above this one.  Where I said 2s and 3s packs, I meant to say 2p and 3p packs.  So, they offered a 12.2AH 6s3p pack.  That's 36.6AH.  Who knows, for that record indoor hover with no…"
Sep 5, 2014
Gaucho commented on renaud barbier's blog post Microdrone md4-1000 - incredible flight time
"it seems to me really too much 88 minutes of hovering. I can not understand how could they reach 88 minutes when the size (diameter) is the same of the DJI S1000 while the S1000 has 15 minutes of flight time (without payload). the flight time…"
Sep 5, 2014
Andre K. replied to renaud barbier's discussion pixhawk crash. sudden motor stops... reset?
"You can see at the end how ThrOut increased, without voltage dropping, your current is not logged, but the end value jumps to 142  - even battery voltage just raised at the same time - indicating that the real current was not increasing at the…"
Jul 27, 2014
renaud barbier posted a discussion

pixhawk crash. sudden motor stops... reset?

hello,was flying today and suddenly the motors stopped and the copter fell. it was fortunately not too high and damage is mainly the landing gear.here is attached the log, if someone can tell me what may have happened that would help!See More
Jul 26, 2014
renaud barbier commented on CrashingDutchman's blog post Pixhawk on DealExtreme
Jul 8, 2014
renaud barbier commented on CrashingDutchman's blog post Pixhawk on DealExtreme
Jul 8, 2014
Emin Bu commented on renaud barbier's blog post U8 large quad
"In BLHeli you can set all parameters,most important is Demag compensation, Damping force and Motor timing "
Apr 14, 2014
Emin Bu commented on renaud barbier's blog post U8 large quad
"I also did autotune with 15x5 props on 6S same 400KV 650W motors,no problem...problem with big props and slow rotation is to have proper ESC who can handle that....with 6S 15x5 I used normal Turnigy Plush 40A,no problems..with 4S and 18x5.5,motor…"
Apr 14, 2014
Euan Ramsay commented on renaud barbier's blog post U8 large quad
"380kv and 14" = autotune no problems. It was pretty far out (over tuned), but it did at least complete the program. Way I see it - big props need more torque to respond to acceleration requests. If your motor can't deliver that torque,…"
Apr 14, 2014
Emin Bu commented on renaud barbier's blog post U8 large quad
"What a nonsense that APM cant handle bigger props...No problem with 400KV motors and 18x5.5 props and APM...autotune I did not try"
Apr 14, 2014

Profile Information

Please tell us a bit about your UAV interest
building an hexa
Hometown:
paris

Renaud barbier's Blog

U8 large quad

Posted on March 10, 2014 at 12:00pm 38 Comments

https://www.youtube.com/watch?v=105CfuFx6yI

 

After months waiting for motors and props, we finally managed to put our large quad up in the air!

 

It flies up to 56min and can currently carry nex 7. next one will be with zenmuse 5D! can't wait!

 

It was pretty…

Continue

Microdrone md4-1000 - incredible flight time

Posted on August 5, 2013 at 12:00pm 28 Comments

 

Not sure if anyone has seen this before... saw it by coincidence today...

 

They have 2 interesting models md4-1000 and md4-3000

 

50km range, 88 minutes flight!

 

Check this out!

 …

Continue

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