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The trim change is occurring within the same flight, so nothing has changed on the helicopter. I have a precise method of attaching the batteries so they are in exactly the same place on each flight. I have 700 flights on this board and nothing like this has aver happened before.

I've encountered a strange new phenomena. I've been flying the newest firmware for several weeks and all is well, but recently I am experiencing some drastic trim changes during a flight (in completely calm conditions). I can trim it out at the start of a flight and it hovers perfectly, but...

Did you try putting foam over the sensor? This seemed to really help stabilize mine, especially in wind. Good luck....

Thanks for the quick help. Just for curiosity's sake, if I hesitated on position 1 or mistakenly left this switch on position 1 in flight would that be AH on or off?

I am trying to get AH working with my Spektrum DX8, but it seems that there is only one two-position switch on this radio (Gear). That two position switch I already have used for switching between AL and Manual flight modes. Has anyone tried using the three position switches Aux 1, or Aux 2...

It's a long shot, but I've had similar problems that I traced back to a loose, and occasionally slipping propellor.

Wait a minute, I thought the HFP would not initialize from a boat. Will it?

Thanks to all for the advice and warnings. I have seen Benjamin Rowland's "Flying Fish" footage and it is absolutely stunning. I am interested in flying from a boat on the ocean where there will be considerable swell and wave action. I tried an experiment to simulate ocean swell on land to...

Has anyone tried to launch a Hoverfly Pro multi-rotor from a boat or launched by hand? Does it require a stable platform to initialize?

Thanks Bart. After many hours of trying, reading and following directions explicitly, I finally found the answer. If anyone else has similar problems where the setup utility indicates that you are connected, but you can't get the purple blinking LED then try to reverse the switch positions...

I flashed the latest firmware successfully, but I have been unable to connect my PC successfully in the setup utility. For some reason the purple LED no longer flashes when I connect via USB. I have tried re-installing the driver several times. When I try to connect in the setup utility, the...

If I trim for AL it holds position perfectly. If I then switch to Manual mode the helicopter moves violently to the left. The manual suggests that you first trim in AL, power off transmitter while stiil in AL, then switch to Manual and power transmitter. Apparently, the trim values from AL...

Any ideas why the trim values would be so different between AL and Manual flight modes? I'm using the new HFP board with the latest software update and a Spektrum DX8. The gain settings are equivalent in both modes (one positive and one negative number), but they're so far off it is very...