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  1. crayfellow

    Heavy Lift Tuning Advice

    I have not had much luck using autotune (APM / Pixhawk) on heavy lifters but that has a lot more to do with my extremely limited time. Generally, when the conditions are right I have a short time for some quick adjustments or a test and I have to go onto the next thing. Thanks to @Mactadpole I...
  2. crayfellow

    LCD Monitor + Receiver Recommendation

    Hi guys, We need to spec a decent monitor for our research projects. I have an RX-LCD5802 which works great for my purposes, but for this I'd like something with HDMI in as well. I know a lot of you use Black Pearl monitors, RMRC has a bunch as well as GetFPV. I'm looking for something in the...
  3. crayfellow

    ISO Experienced Pilot in LA Area for Contract

    We are seeking a pilot experienced in flying and tuning heavy lifters to contract with us and to be a local liaison for an important long-term client in the LA area. Extra plus if you have a full-scale license per FAA 333 guidance. Please write me privately for details or if you have someone...
  4. crayfellow

    Hack-Prototype Friendly Gimbal?

    Hi guys, For something a bit different from the usual... We are prototyping an aerial sensor platform for a package that is approximately 2kg. The "real" custom stabilizer in development will most likely use a SimpleBGC controller and 6S, so I'm looking for a hacking/prototyping-friendly gimbal...
  5. crayfellow

    Current feeling on U7 and equivalent KDE?

    Hi guys, (only really interested in objective findings here, but I know these things get contentious sometimes...) I've seen a lot of chatter on other forums about various compatibility issues with U7 and I know the T80a is the recommended ESC. How do you guys feel about this setup vs. an...
  6. crayfellow

    Y6 Config Suggestions

    Hi guys, I am building a small, inexpensive Y6 to run APM and carry a GoPro-class gimbal. Something to give nice stable images while still being easy to travel with (my work/research and family trips are one and the same). While I'd love to tinker endlessly, I'm already doing that on plenty of...
  7. crayfellow

    Torque Screwdriver Recommendations

    Hi guys, I am looking at torque screwdrivers and bits to have greater assurance in getting things correctly balanced. I've got big torque wrenches for working on automobile engines, so it makes sense to have the same precision with the small machines. What do you think of this torque driver...
  8. crayfellow

    FrSky / Taranis Trainer "Buddy Box"

    Hey all, I am working out a plan for a community outreach program for kids/scouts/anyone to introduce folks to UAS and its beneficial applications. I think I will start with neighborhood kids since they are a captive audience. One aspect of this will be getting a 'buddy box' setup in place...
  9. crayfellow

    Tricopter with seemingly random yaw

    Hi guys, Wow, for as much as we learn over time, there is always more to know. So I'm hoping to get some tips. The tricopter I am using for testing had a Pixhawk power module and FrSky voltage sensor hanging off the back on tie wraps, so I decided to clean it all up finally and get those...
  10. crayfellow

    Why coax?

    Hi guys, Can someone explain to me why coaxial configurations have become so popular? We are looking at designing a platform for imaging that will need to be as stable as possible for an industrial/agricultural application, so I am considering options. It seems for general AP that having props...
  11. crayfellow

    Reuse APC prop adapters?

    When you break a prop, is it possible to remove the adapter/centering bushing without destroying it so it can be reused? Sent from my iPhone using Tapatalk
  12. crayfellow

    One prop, two chunks of GPS mast so far!

    Inline with @SchrodingersCar 's 'Humbled' thread, I'm struggling with the basics of getting a 1000mm-ish craft in the air. I'm now pretty comfortable flying a 250-class quad (Blackout mini H with a nice FPV setup), and a FliteTest Electrohub wooden tricopter. I started with the 250 and cc3d so...
  13. crayfellow

    How in the world do you fly FPV??

    OK fellas, I learned to fly line of sight using a 250 quad. I decided today to see if I could pull off basic FPV flying, instead of handing the kids the display. Wow! I can see this working on a larger craft with rock-solid alt hold and all that. But with mine, I must keep tweaking throttle to...
  14. crayfellow

    QuadFrame motor mounts and (KDE) 42mm motors

    Hi there, Can anyone recommend a motor mount compatible with 25mm carbon fiber tube? I was attempting to use the QuadFrame mounts which look like this: The center hole on the QuadFrame mounts appears to be 9.5mm in diameter, but the retainer on the bottom of the KDE motors I am using...
  15. crayfellow

    Searching for decent 3S 1800mAh

    hey all, I'm using a 250 to learn to fly [insane, I know] and it has been a blast. Initially I bought a pair of Lumenier 3S 1800mAh batts. As you can imagine, I've had some serious crashes. One of the batts is already out of commission since showing damage. The other has torn cover plastic but...
  16. crayfellow

    Parallel charging high-capacity/high-voltage LiPo

    It sounds like the preferred chargers are iCharger (example iCharger 306B) and FMA PowerLab (example PowerLab 6). Naturally, everyone has their preference for what is best and how everything else is not best, but I'm wondering what is working for you. Power supplies are obviously a major factor...
  17. crayfellow

    Advice for BEC / wiring from experienced AP/AV folk

    Hi guys, I need BEC/wiring advice. We have a pretty common scenario config-wise, so I am hoping to benefit from your experience in order to avoid unnecessary components. Power is 6S, and I want to try to power everything from the main source. 5V * Flight Controller servo rail (backup power)...
  18. crayfellow

    Camera Quick Release?

    Hi all, I am assuming it is not advisable to use camera quick release plates (such as Manfrotto 577) on aerial gimbals. Is that correct? The idea I had was to standardize between glidecam, tripod head, and gimbal, but that would add a mounting 'point of failure' and potentially affect balance...
  19. crayfellow

    Beginner's intro to FAA/333

    Would you guys give me an overview of the current understanding of the regulations? It seems like there are multiple approaches: * Commercial (delivery, survey, agriculture, imaging) * Nonprofit (Conservation, research, some imaging applications such as observation) * Public service...
  20. crayfellow

    Camera Advice

    Hi all, I've been a photographer for many years and DSLR's since the first-gen 6.3MP Canons. Flying one, on the other hand, is completely new to me. Here are requirements: * Remote shutter (IR? please advise) * Remote start/stop recording (is this possible?) * Remote monitoring (HDMI out to FPV...
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