Originally Posted by
grognard
Someone mentioned setting up a failsafe mode which would essentially cause the model to enter a descending spiral with power off. OK, fine; but loss of signal is only one kind of loss of control. There are other failure modes (such as the receiver battery becoming disconnected on a gas powered model) which will leave the aircraft flying straight and level. And if the model is inherently stable and well trimmed, it will continue flying until fuel exhaustion. Therefore the flight path after loss of control is not predictable.
Simple, just add a return spring on the throttle.
Originally Posted by
grognard
Therefore: If your specification is taken literally then the minimum required flying site size is a circle whose radius is the model's maximum range at cruising speed with a full fuel load. And no non-participant can be outside a protective area within that radius when a model is to be flown.
Again, FAA expects you to already be taking steps to ensure this does not impose undue risk if something as simple as a battery becomes disconnected. Not only is that a very concerning single point of failure on a large and obviously higher risk toy, to not add redundancy and something as simple as a throttle return spring would seem rather cavalier were I the investigator.
Originally Posted by
grognard
As you said to me: If that's your story, so be it. I'm skeptical. If you want no further allusions about your motivations, I had better not see any more about mine.
Ok. Keep making the allegations then. I'll let your exceedingly good knowledge about posts dating back years speak for themselves. Others have picked up on it as well. So clearly I'm not alone in the suspicion.