I would make the LMT and the " full" LMT . Then shorter B in the area where the collapse starts.
400h is a lot, a porosity check @ a paraglidershop would be good. I would not buy a new Z bridle, the compensation via pigtail or moving the knot should be ok.

I would like to mention to check the trimm options you have on the Sonic3 & Soul1+2 esp the lengthening of Z via moving the knot or with a pigtail. This brings back the "fluidity"of a faster accelerating kite and the lighter bar feel.For me this little setup change ,brought back the joy of flying th...

For foiling with the 15qm, i use 18.5m lines 80%, sometimes when it is lighter i add 2m. I use a seat harness, 60cm depower rope, 58cm and now 62cm. Changing from normal Z stetting to the Foilsetting back and forth. On the 58cm bar i pulled the leaders of the stearing lines a lot more than on the 4 ...

The FS Pulse,Psycho3&4 had the 5th line connected to a ABC bridle in the center of the kite. The kite also spiraled down when it was too high in the air, or higher winds. Backstalling it down and then activating the QR was better( same effect as Evan discribed with the pole). When letting it go to t...

I had the 15qm Sonic4 out for a few sessions on snow and gusty, turbulent lake foiling. No TT anymore. 90kg ,800qcm medium fast foil.18.5 & 20.5 m lines. 58cm bar. I had /have the FS Pulse, Psycho3&4, Speed3&4,Sonic2,Soul 10qm,Sonic3 11qm. I tested the 13qm Kauper Falcon, Hyperlink V3 13qm, Chrono V...

Brilliant idea This guy was lucky.
On short lines, this sport is called Paragliding.

The Ozone Bar has the right pigtail configuration for the Naish kites

Here a longer version

The first video i saw, where 60 kn are 60kn

Could help you. Pics of a broken Navigator.
https://oaseforum.de/showthread.php?t=185439