hjf
lvl.1
United States
Offline
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My excuse for buying my Phantom was that I could utilize it in my work doing structure inspections (FAA regs notwithstanding.) One of the first projects will be an inspection of concrete bridge piers beneath a section of interstate highway. I feel competent to control the aircraft in close proximity to the piers; and I've installed prop guards just in case, but I have a few questions for which I'd appreciate the collective wisdom here.
1. Failsafe - If for some reason the aircraft enters failsafe mode, does it ascend to 60' before returning to the home point? I ask, because if I am under the bridge, I do not want the aircraft to crash upward into the bottom of the bridge.
2. Compass - While I will calibrate to compass well away from the bridge, is it possible that flying in close proximity to large steel beams will result in any loss of control?
3. GPS - Again, the aircraft will acquire GPS signals well away from the bridge, but is it possible that flying close underneath an interstate hignway bridge will negatively affect the GPS connectivity to the point of loss of control? FWIW, I will be controlling the aircraft from almost directly below with visual contact, so I do not expect to need GPS, but in the event of interrupted communication with the controller, I want the aircraft to know where it is.
4. Height protection - The blade guards should protect me if I drift laterally into contact with the piers; but is there a mechanical or programmable means to prevent contact with an overhead object (such as a bridge beam)?
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