Luc Maximilien
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Luc Maximilien's Discussions

After 19 minutes in Loiter ,150° Yaw rotation and went gently down vvithout responding to radio sticks

Started this discussion. Last reply by Luc Maximilien Aug 30, 2016. 9 Replies

Pixhawk last revision with 3.3.3 firmware.It is not the first time it happens, but previously I suspect bad compass , Gps gliches, solar storms .Today I check everything twice and all was going…Continue

Heavy drone crash during Ski World Cup

Started this discussion. Last reply by Andre K. Dec 23, 2015. 1 Reply

Italy already…Continue

Tags: campiglio, madonna, slalom

Circle mode not working as it should

Started this discussion. Last reply by BaNe Machine Sep 23, 2014. 2 Replies

I'm using version 3.13  with an Hexa ,Even if I change the value of circle_radius  from 20 to 30 the copter circle perfectly but only with a radius around 10 meters .Also the circle_rate  with values…Continue

Tags: rate, radius, circle

Only two output pins with PWM for the gimball ?

Started this discussion. Last reply by Luc Maximilien May 7, 2014. 1 Reply

I have recently bought a APM 2.6 , I use a custom build brushless gimball for Sony cx730 and only pins A10 and A11 have a PWM output while I need another one for the zoom function of the Sony.I have…Continue

 

Luc Maximilien's Page

Latest Activity

Luc Maximilien replied to moriarty's discussion strange behaviour of pixhawk-request help to understand in the group PIXHAWK
"1200 watts to hover , wow ! What is your AUW ?"
Jan 7
Luc Maximilien replied to Kevin's discussion What do you think of this LiDAR for drone?
"The  Lw20 has a waterproof enclosure so it is not possible toe solder wire to serial output , you have to send back the unit to a lightware assistance center.I just did a short test  with the  TF-mini , I do not like the fact that…"
Jan 4
Luc Maximilien replied to Kevin's discussion What do you think of this LiDAR for drone?
"I recently bought three Lidars.Lightware LW20/I2C , LeddarOne and Benewake TFmini, the last two with serial connection . The Lw20 has an interesting feature to drive directly a servo to scan and could be use for obstacle avoidance but beware , do…"
Jan 3
Luc Maximilien replied to Jason Marsh's discussion Flight Controller for 2.5m Octocopter
"Beware that the more big are the propellers the more difficult is to control their inertia. Start with a smaller and most important with a lightest copter do some filming and then reconsider your project. t You will probably find that flight time is…"
Dec 14, 2017
Luc Maximilien replied to yangdaonline's discussion Drone gimbal for SONY DSLR A6000,with zoom,record and trigger
"Hello yangdaonline , Weight of the gimbal ?"
Dec 8, 2017
Luc Maximilien replied to Ben Dellar's discussion Alternative noses for the Talon (3D Printed) in the group X-UAV Talon
"Here is my version of the Talon nose. https://www.thingiverse.com/thing:2652085"
Nov 17, 2017
Luc Maximilien commented on Phillip Kocmoud's blog post Introducing the AUAV X2.1 Flight Controller
"I have receive yesterday  the board and was able to install Arduplane 3.8.2 with Mission Planner. Parameter AHRS_ORIENTATION must set to 2 if you mount your board with front in front of the plane. Do someone knows where I can find  a 3D…"
Oct 6, 2017
Luc Maximilien replied to Randy's discussion PixRacer with Ardupilot
"Autotuning works pretty well , run one axis separately  and you will have a good result"
Oct 6, 2017
Luc Maximilien replied to Ewen Rankin's discussion One Hour Flight Times - Specs
"Martin, the setup is nothing special , 16" props, 440 Kv motors , custom frame, high density Lipo battery. It is the way the multirotor is build that makes the difference and allow  to reach 11 - 12 gr / Watt efficiency. The…"
Oct 4, 2017
Luc Maximilien replied to Ewen Rankin's discussion One Hour Flight Times - Specs
"I build a quad for a customer two years ago that flies 45 - 50 minutes 1700 gr AUW  , 250 grams of payload and standard Lipo batteries. It has been used by dozen of hours of flight for aerial mapping without any problem. Guess that with recent…"
Oct 2, 2017
Luc Maximilien commented on Phillip Kocmoud's blog post Introducing the AUAV X2.1 Flight Controller
"Thanks for the reply Jordi. Mine has shipped yesterday , I'm curious to test it and compare the X2.1 to traditional Pixhawk . Hope that Invensense sensors will make the difference. More outputs in a smaller factor is an advantage over Pixracer."
Sep 28, 2017
Luc Maximilien replied to Miron Bogacki's discussion Bigger propellers on octocopter at the same size of frame
"Tested 7 years ago at the beginning of multirotor adventure, as I wrote : The overlapping will cause no problems but I doubt it will increase efficiency ."
Sep 26, 2017
Luc Maximilien replied to Miron Bogacki's discussion Bigger propellers on octocopter at the same size of frame
"Guess that 4 pair of good 18" propellers as T-motor are not cheap. Good Luck for your project !"
Sep 25, 2017
Luc Maximilien replied to Miron Bogacki's discussion Bigger propellers on octocopter at the same size of frame
"In that case I suggest to switch to a different type of batteries , Sony Lion high C discharge , so you can go up to 20 minutes. "
Sep 25, 2017
Luc Maximilien replied to Miron Bogacki's discussion Bigger propellers on octocopter at the same size of frame
"I have done some maths , not with E-calc,  you should hover at 91,6A with a 6S setup . Are you using standard 20-30C Lipo batteries  with 3000 g of weight ?"
Sep 23, 2017
Luc Maximilien replied to Miron Bogacki's discussion Bigger propellers on octocopter at the same size of frame
"The overlapping will cause no problems but I doubt it will increase efficiency . You can change by software the motor direction if you have black MK Esc or last version MK Esc,  if you have the red MK Esc it is not possible and you have to…"
Sep 23, 2017

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bulid multirotors for aerial videos
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