Hmmm, K48. You don't seem to be very good at listening/reading.
Deep Jack Stall sounds likely to be the Hydraulic Lock that I opened the thread with.
Jack Stall, no matter how 'deep', IS NOT Hydraulic Lock. Jack Stall is temporary. Hydraulic Lock (due to a failed component) is permanent. The two are very different.
You might not be willing to listen to me (and don't worry, you won't be the first!
) but please listen to Nick. He is a bona fide expert on these matters. If you're not sure who Nick is, try Googling him quickly. His 'resume' tends to lend a bit of gravitas to his arguments.
I confess to being on a learning curve here
You are indeed. And it would appear that you are right at the bottom of it at the moment. Take a bit of time to read all of the previous 'Jack Stall' threads. Particularly Nick's contributions. Everything that you have said above has already been discussed. A lot. (Apart from the Laguna bit, of course.
)
And whilst you're at it, here's the
Helicopter Urban Myths thread that I was telling you about. Have a read through that as well. Although I've got a feeling that Nick might be adding to the list soon...