Saurabh Srivastava's Friends

  • HVP
  • csp
  • Christiaan van Vollenstee
  • james sowell
  • Andrew Tridgell
  • Michael Oborne
  • Kabir
  • viky
  • Randy
  • Rana

Saurabh Srivastava's Discussions

Decend Rate - ArduCopter 2.8.1

Started this discussion. Last reply by Philippe Larcher Jul 11, 2013. 13 Replies

Hi Folks... How do I adjust the decend rate of my Arducopter 2.8.1 for auto landing ? It comes down pretty fast.... I am scared it will crash hard on the ground... so I usually take control after a…Continue

Tags: AutoLand, 2.8.1, Rate, Decend

Alternate Modem for Mission Planner.

Started this discussion. Last reply by vaqas afzal Oct 26, 2013. 4 Replies

Hi Everyone, I have the Feiyutech 602 data modems. These are 500mW 433Mhz Radios which are very light and provide much better and longer range than 3DR Radios (approx 10kms and more). Today, I got an…Continue

Airspeed Indicator Not working

Started Sep 16, 2012 0 Replies

I have a peculiar problem.My airspeed sensor is making me go bonkers.... In the CLI mode, under TEST - AIRSPEED, i get good numbers starting from 0m/s to 35m/s when I blow into the tube... BUT in the…Continue

 

Saurabh Srivastava's Page

Latest Activity

vaqas afzal replied to Saurabh Srivastava's discussion Alternate Modem for Mission Planner.
"any progress on these FY-602 radio modems??? i mean in connection with apm??/"
Oct 26, 2013
AKcopter commented on Saurabh Srivastava's photo
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"Hey Saurabh....using such a big Vtx and that too on 900 Mhz completely defeats the purpose that you are trying to establish...first of all In India 900 Mhz is used by cellphone operators that will cause frequency clashes and subsequently shorter…"
Oct 24, 2013
Philippe Larcher replied to Saurabh Srivastava's discussion Decend Rate - ArduCopter 2.8.1
"I have a nice descend rate for autoland but a super fast descend rate for auto mode landing command. What should I do ?"
Jul 11, 2013
Saurabh Srivastava replied to Randy's discussion ArduCopter 2.9 / 2.9.1 released
"Increse your landing speed. The higher the landing speed, the earlier the motors will cutoff, and less bouncing. The key is to find a sweetspot between acceptable landing speed and motor cutoff."
Mar 22, 2013
Saurabh Srivastava replied to Randy's discussion ArduCopter 2.9 / 2.9.1 released
"Randy, Can we expect similar performance with that of DJI on 2.9.2 ??? With due respect to all the contribution of the developers and testers, DJI is still way ahead... in terms of filtering, smoothness and performance... Asking this as much of…"
Mar 22, 2013
Saurabh Srivastava replied to Randy's discussion ArduCopter 2.9 / 2.9.1 released
"If you reduce the landing speed way too much kike 20 or below, the motors would not turn off easily upon landing and your multirotor will keep bouncing on the ground... lol Need to find a sweetspot between acceptable landing speed and the motor…"
Mar 22, 2013
Saurabh Srivastava replied to Randy's discussion ArduCopter 2.9 / 2.9.1 released
"Randy, Leonard, Any update on the 2.9.2 ??? I believe most of the issues in 2.9.1 will get ironed out with 2.9.2"
Mar 19, 2013
Saurabh Srivastava replied to Randy's discussion ArduCopter 2.9 / 2.9.1 released
"Howz 2.9.2 coming up? Any update on the release ???   Thanks."
Mar 14, 2013
Saurabh Srivastava replied to Randy's discussion ArduCopter 2.9 / 2.9.1 released
"Hi Randy, Here is my raw log file. Do you feel that there is too much vibration? Not very sure how to interpret... I have the APM 2.5 mounted on the o ring suspension. Please help interpret. Also, as I had told you earlier, my COMPASS_OFS_Y keeps…"
Mar 9, 2013
Saurabh Srivastava replied to Randy's discussion ArduCopter 2.9 / 2.9.1 released
"Hi Randy, Here is my raw log file. Do you feel that there is too much vibration? Not very sure how to interpret... I have the APM 2.5 mounted on the o ring suspension.   Please help interpret. Also, as I had told you earlier,…"
Mar 9, 2013
Elvis replied to Saurabh Srivastava's discussion Decend Rate - ArduCopter 2.8.1
"Andy, Are you still using Sonar? I'm interested in the Autoland feature and am thinking of picking up a sonar unit. I've heard they put out a lot of EMI, have you had any issues with that? Thanks, Elvis"
Feb 25, 2013
Christiaan van Vollenstee commented on Saurabh Srivastava's photo
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"Hello, Do you use the ubec to power the APM and if so do you have a seperate battery for it. And do you use the ubec on the servos as well? or do the servos have their own battery?   Regards Christiaan"
Feb 18, 2013
Christiaan van Vollenstee commented on Saurabh Srivastava's photo
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"Hello,   If you have a choice now what will you choose FrSky or OrangeRx?   Regards Christiaan"
Feb 18, 2013
Saurabh Srivastava replied to Randy's discussion ArduCopter 2.9 / 2.9.1 released
"Hi Randy,   This is what I did.. As I told you that my COMPASS_OFS_Y was way too much, I reset COMPASS_OFS_X, Y and Z values to 0. Enabled the COMPASS_USE and the yaw drift i spoke about was gone. However, the COMPASS_OFS_X, Y and Z values…"
Feb 4, 2013
Saurabh Srivastava replied to Randy's discussion ArduCopter 2.9 / 2.9.1 released
"Thanks a lot Randy. Appreciate your time.   My COMPASS_OFS_X, Y and Z values were quite large. Infact the Y was 342.44 which is fairly large. Does this increase with magnetic interference by wires motors etc? I reset them to 0. The declination…"
Feb 4, 2013
Saurabh Srivastava replied to Randy's discussion ArduCopter 2.9 / 2.9.1 released
"Thanks for your time Alexey.   The power cables are away from APM. Infact I have kept all cables as far possible. This problem was not there in 2.8.1 with exactly the same setup. What else am I missing ?"
Feb 4, 2013

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I fly tactical UAV with video downlink upto 10 kms.

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