Thank you.
I have Hans 2.35 and Big Apple 2.35 for my 29er - no step back expected 
Went for ordering
In 2012 I made the same statement, but more about latex, which is a bigger difference versus butyl than a foss tube already is.
But aracer started comparing clinchers and tubes, while I was meant the difference of latex and butyl.
Let me introduce my brand new 29" FOSS tube!
She woke me up @ 5:18 today by incredible loud blow!
Anyway I glad that it happened at home, not during ride.
No single ride was on this tube, only installed it evening before. Pumped up to 25 PSI.
It even took off the tire. So I did not try it 
HudsonAktau, are you sure that it was not the tyre that came off and then the innertube protruded and exploded. With the tyre and rim combination you have, this is quite likely. They are notoriously slack and I have seen this several times.
Roger
I do not think so. I’ve put regular tube right after this happened (same way) and rode 27,5km with no any issues.
May be there was tube pinch… This is only reason I see now. But I doing it for years and never had pinches before…
The Foss tube does not grip the tyre like a standard innertube and this means that tyres that are slack are more likely to come off. The blow out section you show looks more like a blow out from outside the tyre than a pinch weakness.
Roger
So is this ok for FOSS tube to blow during the night?
Thanks a lot for explanation. Will continue using regular tubes.
Yes, of course it is. Unfortunately my advice is not to use them on slack tyre/rim combinations.
I now have Foss tubes in my 36 and my 29. Both unis ride better. I repaired a puncture on the 29 recently - the process was quicker and easier than using traditional glue and patches on a standard tube.
I have had standard tubes explode in normal use, just riding and then bang! I have also had a standard tube blow while a uni was parked, although it was parked in direct sunlight.
Foss tubes are a good product. Like any product, however, they have pros and cons, and you may sometimes get a bad one.
I will continue to use Foss tubes and recommend them.
Just to update this Foss tube thread. I’ve had my 36er Oracle, with Foss tube as standard, for about 1000 miles. So far no problems, although I did notice I’ve needed to top the air up a little bit once a week, for the last couple of months. Then today I noticed why…
Yes, the pics show what has been stuck in there for the last few months! 
So I guess I can safely say that it self seals when punctured.
It deflated in about 5 seconds, when I pulled that tree branch out 
I’ve got a Foss patch kit on order, and will update when its (hopefully) fixed.
I thought you ran a 29er tube? 
Cool to know they work well though, that was a beast of a hole!
No, I recommended someone on strava try the 29er overinflating technique, while he’s waiting for his new 36er inner tube.
I’m gonna give it a go tomorrow morning, while I’m waiting for my patches to arrive 
I fixed my 36’er Foss tube yesterday with a Foss patch and pumped the tyre to maybe 20 psi and left it over night. This morning I pumped it up to 55 psi, but after a couple of minutes all the air went out with a hissing noise. I have used a Foss patch a few years back with a good result.
Now to my question: Does the Foss patches go out of date? Mine are maybe 3 years old.
I used a Foss patch recently for the first time and experienced a similar failure of the patch. I ended up using a lighter to melt the punctured area and pinch it shut. There are videos on Youtube of how to do it. It worked well once I got the hang of it. If the tube doesn’t feel hot between your fingers when you pinch it, it hasn’t melted enough. It took me a few times to get it right.
My patches arrived today
After fixing the main puncture in the pic, I did the water test, just to make sure it’s holding, and it is!
But I then realised I had 3 other punctures to fix
So, I’m just about to put some air in now. Here goes Foss tube patch test, x4…
3 more punctures…? How did your tyre ever stay up??
Hope to see you riding soon!
I’m gonna head out for a quickie 10 miles soon Piece Maker, to make sure its holding up alright. So far its holding though
Given the apparent material they’re made of, I wonder how TearAid (probably type A) would do on one as a patch. I’ve used it with success on other bike tubes… I mostly own a roll of it as I use it for patching LEI kite bladders, but given all the posts here, it got me thinking.
Just a quick update on this. All 4 puncture repairs are holding up perfectly, not even a slight bit of pressure loss
Good to hear!
Any idea when UDC UK are getting the 36er FOSS’s back in stock?