Shortstripper wrote
No offense Gengis, but I'm amazed that's the first time you had call to figure that one out
However, now I'm thinking about throttles ... What do you consider the best way to have a spring return set on a cabled throttle? Set for full on, or full off in the event of a disconnection? I know it's a rare occurance but what if? Both ways have advantages and disadvantages. As an ex glider pilot, I favour off, but a WW1 pilot (not many around I admit) used to a "blip switch" might prefer full on? What do you reckon?
I think that I'd grasped, somewhere amongst my couple of aeronautics degrees and 90 types the importance of closing throttle to land - it was the magnitude of the effect of a slightly high ground idle that took me by surprise, not the fact that it was there. (Also this was a Rotax 912 engine, which has generally pretty low residual thrust due to the stepdown gearbox.)
As to the other question, it's a good debating point, but my money is on a "fail open" throttle. My reasoning is that I can always climb or fly fast with a fully open throttle, then simply kill the engine when safely in glide range of a good landing field. With a "fail closed" throttle you basically have a slightly extended normal glide range and that's it.
G