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I am a newbie to RC Helis but decided that the relatively short but intense experience fitted with my work commitments. I bought a Trex 500 from eBay but the sheer size of it scared the life out of me. I bought a Trex 250 in the hope that this would be a less scary size and completed the build last weekend. I did a couple of test flights and maybe I was just lucky but it flew well straight off - well almost, I am using a Spektrum DX8 and the Gyro settings are completely different so 60% set the tail wagging like mad and it was only when I reduced it to 30% did it start behaving.
I wanted to get a Helicommand since my 8 year old son would love to get hold of the controls and so I thought that a Helicommand would let him make some mistakes without binning the lot. I got the HC3-SX and fitted it onto my Flybarred 250. I was not too impressed with the results as it veered off to to left clearly deciding that my input was foolhardy and I binned the flybar, bent the main shaft etc since my training pole vault units dug into the grass.
I therefore decided to go flybarless. I got the MicroHeli unit and fitted it according to the instructions - linkage rods to 19mm. This is a misprint in my opinion since it gives pitch of 30 degrees. I used my old rods and it was perfect. I replaced the plastic head with my old head stopper and fired her up. She was veering to the left but I trimmed that out (I know that you cannot really do this on the transmitter) and she hovered beautifully between the bed and the wardrobe - around 4ft max.
I am really happy with my well behaved 250 and am pleased that the FBL conversion went so well. I am surprised that the information on the HC3-SX is so sparse setting it up is not intuitive and I think it really needs an idiots guide. I will endeavor to fill that void. I have lots of questions like why is the default gyro hold setting -100% which gives a real tail wag whereas positions 2 and 3 are 0 and 100%. I don't think that the documentation really explains the "help me" switch which should provide auto recovery.
I am really enjoying this journey and Phoenix has proved to be invaluable. If there are any HC3-SX experts out there then I would appreciate your input.
Trevor
I wanted to get a Helicommand since my 8 year old son would love to get hold of the controls and so I thought that a Helicommand would let him make some mistakes without binning the lot. I got the HC3-SX and fitted it onto my Flybarred 250. I was not too impressed with the results as it veered off to to left clearly deciding that my input was foolhardy and I binned the flybar, bent the main shaft etc since my training pole vault units dug into the grass.
I therefore decided to go flybarless. I got the MicroHeli unit and fitted it according to the instructions - linkage rods to 19mm. This is a misprint in my opinion since it gives pitch of 30 degrees. I used my old rods and it was perfect. I replaced the plastic head with my old head stopper and fired her up. She was veering to the left but I trimmed that out (I know that you cannot really do this on the transmitter) and she hovered beautifully between the bed and the wardrobe - around 4ft max.
I am really happy with my well behaved 250 and am pleased that the FBL conversion went so well. I am surprised that the information on the HC3-SX is so sparse setting it up is not intuitive and I think it really needs an idiots guide. I will endeavor to fill that void. I have lots of questions like why is the default gyro hold setting -100% which gives a real tail wag whereas positions 2 and 3 are 0 and 100%. I don't think that the documentation really explains the "help me" switch which should provide auto recovery.
I am really enjoying this journey and Phoenix has proved to be invaluable. If there are any HC3-SX experts out there then I would appreciate your input.
Trevor