Evan von Infexion sagt dazu im KF (Kite line stength test)
Splicing only has a higher breaking strength compared to sewn sleeved loops when the bury has a proper length and the line is woven with 12 strands in a shallow angle.
The FL10 8strand is not suitable for splicing, i got those only up to 200kg when a sleeves loop in the same line got easily over 300kg.
Lines that have 12 strands but woven at a high angle (45deg like the old round naish lines) show the same low splice strength. Those lines are also very elastic!
On a proper line (Braidtech/liros) cabrinha, ozone and core uses for example a splice can be stronger then sleeve. But not the way they splice it in Asia with only an 8cm bury that rely on the stitching for strength and a square cut line instead of taper.
Also a brummel splice is weaker compared to a stitched splice.
The bury length for kite lines need to be at least 150x the diameter for optimal strength that does not rely on the stitching or brummel for the locking force. On those splices the stitching is only there to prevent the splice from slipping when there is no load.
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