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This is a good discussion on motors and props. I'm still learning my way around how all of the components interplay since I have not 'grown-up' in the RC industry. Now I'm an old fart and memory is a challenge, but I love building stuff. My current build is a QAV500 with some Multistar Elite...

I've hung it on the wall temporarily. I'm putting together another quad of the same class, but using different ESCs and a different FC. SPRacing F3 Deluxe. Just to see if it's something I'm doing wrong in my basic configuration. If this one behaves similarly then it's time to 're-evaluate my...

I had a couple short flights the other morning, and the craft still will not rise and hover properly. In GPS mode it lifts off and then takes off usually in a backwards direction and rises about 40 feet. I immediately bring it down, but I feel it should not do this at all. Perplexed! I...

Just asking in light of my quad's erratic behavior. Weather has not been good to test in wide-open field past couple of days. Maybe this afternoon. Plan on testing with plenty of room around, so I have time to react correctly rather than panicing. :) Still trying to get confirmation on the...

Can ESCs lose their calibration?

I did change the vertical gain to 80%. I have set my flight modes on a switch on my Taranis and I see it change in the software when I move the switch. I have been using GPS mode exclusively for my testing - assuming that's it's working correctly. I even wait until all flashes are green on...

I wish I could remember what I did on that semi-successful flight. :) Regarding compass calibration....I still need to do that, but I thought hovering was a function of the barometer? GPS and compass seems to be working, because on that first flight it did RTH. However, lately I haven't made...

I can't seem to get control of my new build. I've been using GPS mode for all my test flights. For some reason I simply can't get the quad to hover after lift-off. It wants to go in reverse and accelerate upwards right away. I've checked and double-checked my placement and prop spin...

Yes, it went well. At least for my flying abilities! :) I took it out again today, and the conditions were not that great for flying. It was a beautiful, blue-sky day, but the wind was kicking up a bit. I took it up several times, let it hover, and then sent it out about 100 yards from...

I've read and seen in several videos that many guys put a piece of open-cell foam under their FC like Naze and others for more accurate barometric sensing. I don't know if this assertion is based on any factual information, or just basic tribal knowledge that has been passed down for better...

Just calibrated my ESCs. I had to do a little dismantling, but nothings too serious. Once I had the top plate off, I snipped a couple cable ties for access to my motors. Calibrated them individually and they all started up smoothly. I did notice that in manual mode the motors seem to top out...

Since I am so meticulous and anal, I'm still going slow on my builds so I can learn the order and best placement for everything. All quads are different. Especially the order of the electronics. I'm watching lots of videos and learning alot - from forums like this too! And as you say, I will...

X9D has been calibrated. You should only have to do this once? I'm sure it's my ESCs. I'm going to make a throttle calibrator since I plan on more builds down the road. But, if your ESCs don't have a BEC you have to power your receiver with a lower power battery, or add an ext BEC to the...

Thanks. I have calibrated the sticks using the Assistant. I have not calibrated my ESCs. My mistake, but I thought you should be able to get some reasonable amount of control without calibrating them. I will research and figure how to do that. Have not done it before. I'm still learning.

I recently built an S500 using the DJI NAZA M v2 FC. I'm also using the S-BUS connection on a X4R receiver with an X9D Taranis radio. I think I have everything setup correctly and my gimbals and switches set properly. My issue is with the start up of the quad. I'm using the 935KV Emax motors and...

I'm new to this hobby and starting to build some FPV quads. I have a general questions about motors. What are some of the general guidelines to follow when matching motors to ESCs. KV and ampere rating foir instance. I'm starting to stock my bench with a few common components and want to be...

I may end up doing that down the road. I'm sure the Syma will not be my only quad. I'm already building one where the included battery uses the small JST connector. As I get more experience with this hobby, I'll figure out what works best for a situation and adapt accordingly. Right now I'm...

Thanks for the pics and link. I've already ordered some and will make my own converter cables when the parts come in. redjr

I k I know it is used for balancing, but apparently, it is also used for charging. Yes, the brass lug is the same size, but the housing is closer to the pin on the left than the one on the right. redjr