Interesting finding. I would have expected it to be the other way around. The LE fabric should keep the bladder from stretching beyond a certain size. By removing from the fabric you should be able to pump up so the tube expands to be larger (diameter) so you would expect the stretch of the holes to become larger as well and therefore more noticeable.langfordja wrote: ↑Wed Apr 04, 2018 8:00 pmAfter some pinhole searching, I agree with those who say : really small holes can only be found under higher pressure, like when the bladder is still in the kite.
I marked a bubbling leak thru the kite bladder sleeve, then removed the bladder and found two small indentations near my mark. But I could not get them to leak with the bladder out of the kite. I think pressure to make them leak would have split the bladder seam, with it out of the kite.
After not finding the leak with the bladder out, I put it back in and checked for the leak again. But first I marked the two indentations. The second leak test bubbled right on the new mark, so I put a tear-aid patch over the indentations. I will test again back in the kite but I am confident that the slow leak is repaired (at least one leak).
I will now always find future leaks with the bladder in the kite.
And using my old c-kites for this testing makes things easier, at least for main bladders without one-pump strut valves. My newer kite, that the leak-free bladder will eventually go back in, remains dry until the bladder holds air inside the c-kite.
From my own experience I can confirm that super small pinholes are leaking only when the bladder is pumped at high pressure inside the LE. You can not achieve such high pressure when the bladder is outside because you will damage it it or it will explode.nothing2seehere wrote: ↑Mon Apr 23, 2018 10:13 amInteresting finding. I would have expected it to be the other way around. The LE fabric should keep the bladder from stretching beyond a certain size. By removing from the fabric you should be able to pump up so the tube expands to be larger (diameter) so you would expect the stretch of the holes to become larger as well and therefore more noticeable.
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