Okey guys, I just had a meeting with Giotikas. If I understood correctly, G-Nail has two sizes: the small one takes 75 kg per leg, the big one 94 (I think, my conection was bad). I have to give an answer the next days, and I strongly believe that some guys here have strong prejudice for mechanical nails, maybe because of Guichet being a problematic surgeon. I do not think they are "crap" nails, and I know a lot of Betzbone guys who have had "Stryde-like" results. However, I still think I favor Precice.
The doctor is quite honest and he does not try to sell anything, and I still have to think about it. I hope this is useful for those who wanted more information regarding G-Nail. From my meeting with Giotikas, I would summarize:
G-NAIL
Weightbearing with crutches since day 1.
You get 1 cm in surgery.
Probably more painful than Precice, but he is really confident that he has good protocols to make clicking easier.
The surgery would be 100% this month. This is important, as I must work online since beginning of October, and it's good to have a month post op before starting.
He does not have as much experience with this nail in comparison with Precice.
The rate of nail malfunction is 1.6 %, which is not much different than Precice.
PRECICE
I would probably get the big nail. He says Precice is not as fragile as we think, so I should have no issues as long as I'm compliant.
I do 5.5 cm, so probably 4 months without being able to walk without walker.
Probably less pain.
He thinks it will be back by September, but he can't confirm 100%.
Has lots of experience with this nail.