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  1. Old Man

    Help with a survey.

    Might be an idea if you added spelling and context to your scholastic endeavors. It's "great", not "grate". Unless you desire to cover something up, or shred an object or food. BTW, it looks more like a marketing/trade demographics survey than an engineering school project.
  2. Old Man

    Transmitter Tray Aluminum Universal V1 Long

    For anyone interested, I use one of these (Sebart brand) and they work out pretty well when you use the shoulder straps. It handles a Black Pearl monitor with ease.
  3. Old Man

    Current feeling on U7 and equivalent KDE?

    Responsiveness can be somewhat tailored using transmitter exponential. The larger, heavier stuff needs the maximum/fastest response available to deal with larger props in a constantly changing wind environment.
  4. Old Man

    Flight simulator

    It comes down to a lot of repetitive practice performed fairly close in. The "Loiter" flight modes can be helpful. As your confidence and ability grows you move further away. Part of the process includes learning to see and recognize trends with altitude relative to how your particular screen...
  5. Old Man

    Momentary Power Surge HC1100

    It's still a common issue with many of the smaller 3 and 4mm bullet connectors.
  6. Old Man

    Calibrates and spins fine, but pitch stays backwards

    Check to see if you reversed the elevator servo channel in your Tx or FC software.
  7. Old Man

    Flight simulator

    Don't know if a sim can do that. If they could they would likely share the downside of real world FC's using alt hold or loiter and significantly reduce the speeds the simulated copter would fly at. Wouldn't be as much fun.
  8. Old Man

    Tarot 680 altitude test

    Concur with the cell count.
  9. Old Man

    Maintenance of motors?

    Bart, Where is the source for your new spring clips?
  10. Old Man

    Maintenance of motors?

    Pumpkinguy, Wonderful to see we have a true expert with us and I'd like to tap your knowledge and experience if you'll permit. Being a long time small gas two stroke RC engine guy my experience with bearings aligns more with bearings that get "wet" but something I've noticed for years is how a...
  11. Old Man

    Maintenance of motors?

    Easiest way to qualify a bearing is to find a number on the old bearing and contact a bearing supply to have them look it up in their inventory for a cross reference. Failing that you have the following. Next way is to measure a bearing to obtain all the dimensions like thickness, outside and...
  12. Old Man

    Maintenance of motors?

    Also check www.bocabearings.com for what they might carry.
  13. Old Man

    Momentary Power Surge HC1100

    http://www.castlecreations.com/products/castle_connectors.html
  14. Old Man

    DJI A2 X8 yaw issue

    Motor alignment is not hard to check, but can be time consuming. Probably the greatest drawback of round booms is the ease with which they permit misalignment. It's worth a look but likely less contributory to the issue than you think. In the video it was difficult for me to discern between...
  15. Old Man

    Current feeling on U7 and equivalent KDE?

    From an outsider to this conversation, if I knew Castle's firmware upgrade sync issues, I'd be all over having Castle ESC's. they have always made the best, or in the group of the best, ESC's you could buy, and their data collection capability is absolutely stellar. As for motors, both...
  16. Old Man

    Momentary Power Surge HC1100

    Castle makes a set that will handle even more current than the EC5, but they're pricey.
  17. Old Man

    heavy lift multirotor help

    Leasing is definitely where the money's at. Lease the product, provide a trained operations team, and bill for the time under a term contract.
  18. Old Man

    GoPro drone?

    jfro, DJI would indeed go the price undercut, again, but more visible would be the organized attacks against the product by members of a particular forum. They do try very hard to protect their market share. Go Pro will have to "keep it simple" and fully vet their product before putting it...
  19. Old Man

    GoPro drone?

    This is where it would make sense. As just another MR to carry a GoPro, not so much but if changes to the camera that eliminated fish eye, provided hi def video transmission, in an even lighter portable package, with an ultra reliable, feature packed FC, it could be a winner. But several of...
  20. Old Man

    GoPro drone?

    We are faced with a question of "why"?
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