Jolyon Saunders
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  • Sydney
  • Australia
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Jolyon Saunders's Discussions

Freaky Phase angle on 450

Started this discussion. Last reply by Jolyon Saunders May 7, 2013. 17 Replies

My 450 has a wobble on the pitch axis, unless 42 degrees of H_PHANG is added. It appears as a rapid clockwise toiletbowl effect, which subsides as H_PHANG approaches 42 degrees. If H_PHANG exceeds 42…Continue

Arducopter - Trad Heli development

Started this discussion. Last reply by Rob_Lefebvre May 14, 2013. 53 Replies

 This is a place for discussion, information, questions and answers related to the development of Arducopter for Trad Heli.Continue

Trad Heli FPV discussion

Started this discussion. Last reply by Rob_Lefebvre May 1, 2013. 47 Replies

Hey all, here is a place to post details and info of your FPV setups, questions, vids etc.My setup is as follows:Trex 450 PRO frame stretched to 480APM2.5 with UBLOX GPS and power moduleTarot DFC…Continue

Tags: arducopter, heli, helicopter, FPV

Fixing the gap with the APM 2.5+ side entry case

Started this discussion. Last reply by Eric S. Jul 12, 2013. 1 Reply

I got my APM last night, and I'm very impressed with this hardware as a whole. I did notice that there was a problem with the way the case looked. The case came cracked and the gap around the side of…Continue

Tags: side entry, apm, fix, gap, case

 

Jolyon Saunders's Page

Latest Activity

Jolyon Saunders replied to Kristian's discussion Almost got killed in the office today. Log file attached..
"It might not always seem practical to remove props, but at least disconnect one (best to do two) of the 3-phase wires on each motor. Then the motor just stutters instead of going into flying death mower mode. Another option would be to make a…"
yesterday
Jolyon Saunders commented on Jolyon Saunders's blog post 3D printer + TradHeli + PX4
"^^ +1. Of the 3 clones I have owed, all of them failed prematurely. Of the two genuine boards I have, one is 100% fine, the other was destroyed in a major crash (human error) but was extremely reliable, literally had hundreds of flights on…"
Tuesday

3D Robotics
Craig Elder commented on Jolyon Saunders's blog post 3D printer + TradHeli + PX4
Tuesday
Jolyon Saunders commented on Jolyon Saunders's blog post 3D printer + TradHeli + PX4
"I never got a chance to test it properly, but I have always mounted my autopilots underneath between the skids. My helis have always performed extremely well in alt hold, so the baro performance seems OK. I think the new position in the above…"
Monday
Xin H commented on Jolyon Saunders's blog post 3D printer + TradHeli + PX4
"Nice place to mount a PX4 indeed! I'm a bit curious about the barometer, does it work well and not affected by the airflow?"
Monday
Mustafa TULU commented on Jolyon Saunders's blog post 3D printer + TradHeli + PX4
"That's excellent thanks."
Monday
Jolyon Saunders replied to Shane's discussion Arducopter just not reliable.
"Funny you should say that about the baro Rob. Saturday I was loitering my PX4 heli about 20m up and suddenly the heli decided to descend into the long grass. It chopped through it thankfully, but I was surprised. I was left with some green blades…"
Monday
Jolyon Saunders commented on Jolyon Saunders's blog post 3D printer + TradHeli + PX4
"Also, that PX4 is available from several places, just search PX4FMU + PX4IO"
Sunday
Jolyon Saunders commented on Jolyon Saunders's blog post 3D printer + TradHeli + PX4
"Hi mustafa, there is info about my frame and motor within the post above. I'll post further details of my setup when I can"
Sunday
Mustafa TULU commented on Jolyon Saunders's blog post 3D printer + TradHeli + PX4
"Hi, very nice job. Can you please tell me where did you get that form of px4. It would be very nice if you give us details about you setup like servos, frame, motor, and so on. Thanks."
Sunday
Jolyon Saunders posted blog posts
Sunday
Jolyon Saunders commented on Lester Haines's blog post APM:Plane advanced tree avoidance algorithm
"BEEF (Biometrically Enhanced Evasion of Flora) TREE (Total Reactive Evasion Enhancement) CRASH (Coded Reactive Avoidance of Static Hazards) TRIDGE (Totally Reactive Information Decoder for Guided Evasion) PRETZEL (Parametric Reactive Evasion of…"
Sep 8
Jolyon Saunders commented on Chris Anderson's blog post Connecting your phone, tablet or laptop to APM/Pixhawk using Bluetooth
"For future reference, I bought a cheapo HC-05 module from ebay and it wouldn't work with AT commands. After trawling through tons of info I found that the following works: - Wire FTDI programmer to bluetooth module- Wires up KEY pin to VCC…"
Sep 2
Jolyon Saunders replied to Xin H's discussion DIrect motor drive fix pitch tail?
"Hey there, I did have a fixed pitch tail for a while, it performs very well indeed as long as you don't need to do 3D. I used a 20A ESC flashed with simonk, and a 1600kv 85W Outrunner. You don't need to spin it both ways, just one…"
Jul 24
Jolyon Saunders commented on UASys's blog post The issues with current multirotors and how we want to fix them
"Sounds like a great idea, will send one of you a message some time. Best of luck guys"
Jul 23
Jolyon Saunders commented on UASys's blog post The issues with current multirotors and how we want to fix them
"Oh cool. I'm in Sydney but visit Canberra every month or so. If you need any parts 3D printed for rapid prototyping, hit me up, I'll be glad to help you out mate"
Jul 23

Profile Information

About Me:
I'm an **aspiring** member of the Arducopter dev team. I am currently yet to make my first contribution to the project, but have a number of prospective contributions in the pipeline.
Please tell us a bit about your UAV interest
Traditional helicopter development
Hometown:
Sydney

Jolyon Saunders's Blog

3D printer + TradHeli + PX4

Posted on October 26, 2014 at 3:05am 8 Comments

At last, I have something to share with you all. Some details as to how I mount my autopilot boards to my helis. Mounting these boards on helis has been a touchy subject, but so far I have had pretty decent luck. I am yet to experience 'the leans' with this method - the unpredictable variation of AHRS estimate caused by vibration. This also gives me a chance to show off my hand modeling skills ;)…

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