"@ John What PID are you talking about? Heading2Steer ? Could you please post your all values? And what APM are you using? Thank you. Regrads.   MV  "

"@ Thomas thank you for the information."

"I have just trim my buggy! My goal is to have a moderate speed and good navigation. Regarding navigation I saved the points 3 days ago and did all the tests with same points. The precision differs  from 30 cm to 2,5 meters. It depends on…"

"Thank you Thomas. You mean SPEED_TURN_DIST and SPEED_TURN_GAIN .  SPEED_TURN_DIST is 3 m  and the SPEED_TURN_GAIN 35% And I reduced CRUISE_SPEED to 55 %.     Regards.   MV"

"Testing ArduRover v 2.41 AR2 My Rover: 1/10 buggy chassis LRP S10 Motor: S2838-2800 Brushless Inrunner (2800kv) from Hobby King. Esc : 40Amp for aircraft. APM 1 with HMC5883L - Triple Axis Magnetometer and 3DR GPS uBlox LEA-6 Firmware :…"

"Hi Jean-Louis, merci por votre attention. The test has been done with this values.   Regards. MV  "

"Yesterday I did some tests with my "Urban Rover". Full APM V1 (Oilpan + GPS MT3329 + Magnetometer HMC5883L) No sonar. Firmware APMrover v2.16a JL Naudin. The WP were saved using learning method. The vehicle missed the points(saved WP) 1 to…"

"Hi Jean-Louis, I can not calibrate ch8(radio calibration) with APMrover 2.1.3b. With APMRover 20b, I do not have problems. Library error or my mistake? Regards.   MV   Regards."

"Hi jean-Louis,   thank you! Yes, it was a jolly mission. But...I have to share this achievement with you. Merci pour votre travail.   Best regards.   MV"

"Hi, so this was the plan: and this is the video: It worked fine. But some corrections to do. I had only my little GoPro but you can have a good ideia about the test.   http://www.youtube.com/watch?v=_k_j0UxmiMk&feature=youtu.be  "

"  Only to add : I am using radio ch 3 for throttle. I am not following JL layout.    "

"    Hi,   Jean-Louis thank you very much for work   This is my rover with:   -       Mega motor(aircraft) -       Aircraft…"

"Hi Dave,   have a look and compare:   http://beedrones.com/products"

"  This morning i did test flight with V42. I used a Y6 configuration. Only stablized and no sonar.   But with a GoPro. It was a calm day(wind speed 6 Km/h) and i get this video. This is raw video and the servos of camara mount…"

"Hi, Just sharing a vídeo. It is a Y6 platform. In this test I check only stabilized and simple. It was a wind day but she performed very good. Next will be loiter and GPS_hold.   The image is not stabilized. The camera man was my son and…"

"Sure Ken Plastic is easier to work But we have state of art technology with premier cutting machine. So aluminum is not a problem. Price is what you mean in your comment. Our tests show that we are very competitive. ( When we lok at market) "