"Of course the laptop isn't attached to my transmitter.Someone people just don't understand that not everyone needs that much information attached to their transmitter, and these generally are the same people that have a desire to…"
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Josh Potter
- Male
- United States
- Blog Posts (3)
- Discussions (267)
- Groups (1)
- Photos (8)
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- Videos (1)
Josh Potter's Discussions
The simple fix for vibrations, more mass?
Started this discussion. Last reply by Josh Potter Mar 29. 6 Replies 1 Like
So I forget exactly who said it, but in one of the many vibration threads someone made a note about how "maybe a little more mass helped stable out the APM". Now I know there are some neat rigs out…Continue
Wiki updating for 2.9 (again)
Started this discussion. Last reply by Anthony Sive Mar 7. 18 Replies 0 Likes
I see that Anthony Sive was working on the wiki, and since I closed the other thread when I thought we…Continue
Wiki updating for 2.9
Started this discussion. Last reply by Josh Potter Jan 29. 4 Replies 0 Likes
Had removed this, but found out we're OK to update the wiki for 2.9.Continue
Some newbie power questions
Started this discussion. Last reply by Dale Jan 12. 7 Replies 0 Likes
So I've been mostly playing with quads and small planes, so I haven't dealt with servos that much so I've got a few power questions for helicopter setups, but it's always better to look like a fool…Continue
Tags: white-smoke, servos, power
Josh Potter's Page
Latest Activity
Josh Potter commented on Jared Reabow's blog post DroidPlanner for Android The best missionplanner alternative! Using Mavlink via cheap usb adapter (Follow me - PIDS - ACC calibration - FREE)Josh Potter commented on Jared Reabow's blog post DroidPlanner for Android The best missionplanner alternative! Using Mavlink via cheap usb adapter (Follow me - PIDS - ACC calibration - FREE)"It has come to my attention that people are not noticing this amazing app
They're neat right now, but my laptop is light and by god it's so much faster to make changes with a mouse and keyboard. Maybe for a fully tuned setup where…"
Josh Potter commented on CrashingDutchman's blog post Q Brain 4 x 20A Brushless Quadcopter ESC"That's a great price and a seems like a nice setup for smaller quads."
Josh Potter replied to Flo's discussion V Hexa Frame"That looks like a good start, make sure you test with props off to ensure they're moving in the right direction when you move the quad from side to side.I've never built a V, everything I'm telling you comes from looking into the code…"
Josh Potter replied to Flo's discussion V Hexa Frame"Open up AP_motorsMatrix.cpp you'll see that using an angle based solution with add_motor actually just nets us values like add_motor_raw, but it's setup for all motors being the same distance from the center of lift.
So if we feed an angle…"
Josh Potter commented on Manfred Dickgiesser's blog post The mysterious AltHold problem .... solved"Nice troubleshooting Manfred. Do you have any videos of the 600 flying? "
Josh Potter replied to Todd Spurgeon's discussion Add_Motor_Raw for V tail Quad"So my thought is to manually address the special yaw factor for the rear V motors that's statically defined as AP_MOTORS_MATRIX_MOTOR_CCW or AP_MOTORS_MATRIX_MOTOR_CW.Has anyone else tried that?"
Josh Potter replied to Flo's discussion V Hexa Frame"It's my understanding that the angle based value system (not add motors_raw found int AP_motorsOcta.ccp for the V) are only for systems where all the motors are the same distance from the center of lift. You'll need to work up…"
Josh Potter replied to David Anders's discussion Antenna Tracking System"David, if you use telemetry to a laptop, mission planner has a built in antenna tracker. You just need a simple 2 channel servo controller. if you have a laptop, it's really simple has worked great for…"
Josh Potter replied to Flo's discussion V Hexa Frame"Upload a picture of the distances and angles and we can help. Read this for an understanding of the basics. It's mostly just some trig as far as I understand. https://code.google.com/p/ardupirates/wiki/motormixing"
Josh Potter replied to Glenn M's discussion Flying close to HV power lines"I've never had any trouble with waypoint based or 2.4 ghz. I think I was running near higher than 120. They were much bigger. "
Josh Potter replied to Håvard Knapp's discussion Share your typical crashes!"I've been flying r/c helis for a long time, so I rarely crash from any LoS flying issues, however I had an ESC die on me at about 100 meters. Damage: a couple props, 4 DJI arms, and the lower half of a TBS frame. gopro 3 was…"
Josh Potter commented on Jan's blog post Lipo powered telemetry"How about a single cell lipo (no balancing) with a 5v booster? Sparkfun even makes one with a built in charge (usb or another source) https://www.sparkfun.com/products/11231"
Josh Potter commented on R_Lefebvre's blog post Royal Canadian Mounted Police use UAV and FLIR to locate lost man."Always great to see positive uses out there."
Josh Potter commented on Bot Thoughts's blog post 2013 Sparkfun AVC entry video"Hmm, it must have been flagged as spam or I just missed it."
Josh Potter commented on Bot Thoughts's blog post 2013 Sparkfun AVC entry video"Odd, I didn't get the email until yesterday. I had a video ready to go, but I was just curious. "
Profile Information
- Tell us a bit about your UAV interest
- Flown/built helicopters for a while. Interested in building FPV search and recon based helis.
Josh Potter's Photos
Josh Potter's Videos
Josh Potter's Blog
Chris Anderson on Marketplace
Posted on March 8, 2013 at 8:08am 6 Comments 1 Like
Kai Ryssdal with Marketplace went on site to meet with Chris Anderson at 3d Robotics to talk about drones. You can listen to the segment here. …
Measuring SWR (Standing Wave Ratio) on your antennas with a Daiwa CN-801
Posted on February 12, 2013 at 6:36pm 8 Comments 6 Likes
SWR is one of those things that most people don't need to worry about. However, when you start building your own antennas or need to get every mw of power out of your existing antennas, you might need to check/tune your SWR.
The…
Continue FPV antennas: Building True R/C style circular polarized antennas.
Posted on December 8, 2012 at 7:00am 11 Comments 7 Likes
I assume most of us know that circular polarized antennas are great for FPV video streams because they're good at rejecting out of phase signals. Thankfully you can buy these most of these antennas now, and even better yet, you can make your own with a little bit of work.
Probably the most popular design is the clover leaf, however I always hated…
Comment Wall (2 comments)
- At 12:39pm on October 15, 2012,
LanMark said… hi Josh.. why no pics of your F450?? :) I would love to share my APM config settings but I am not running APM at this time.. I run a Naza and a Wookong... I have been working 84 hour work weeks since March and so I figured I just didn't have time to mess around with APM just yet.. and I wanted to get to flying with as little free time as I have right now.
- At 6:20pm on October 15, 2012, Josh Potter said…
I've been changing so much (and will again when I get new base, I haven't bothered taking any yet). Right now I'm the king of velco and zip-ties.
Do you have an OSD with your current setup? How's your video reception with the Y antenna? What are you running for your ground station? I see you having a beefy video TX there, I'm still running a 150 mw.
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Season Two of the Trust Time Trial (T3) Contest has now begun. The fourth round is an accuracy round for multicopters, which requires contestants to fly a cube. The deadline is April 14th.A list of all T3 contests is here.
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