nickb
The JJ Kid
Well, we're still talking hypothetically here as I haven't actually tried this yet. But, I'd probably snip the end off if it was annoying me.
Same snips
Swapping to new mouthpiece U/W?
- Thread starter Michael Thornton
- Start date
Same snips
Well, we're still talking hypothetically here as I haven't actually tried this yet. But, I'd probably snip the end off if it was annoying me.
Same snips
Which snips?
I have a stupidly sharp Spiderco knife only that's not going anywhere near my jugular while wearing dry gloves trying to cut cable ties.. I can see myself with a OC reg stuffed into my DIY tracheotomy.......
Dave Sutton
Banned
Well, we're still talking hypothetically here as I haven't actually tried this yet. But, I'd probably snip the end off if it was annoying me.
Same snips
You're not... really.... talking about.... tie wraps are you... ouch!!
Dave
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nickb
The JJ Kid
Trauma shears
Michael Thornton
Rebreather Enthusiast
Like these (in the picture) Sea Snips? I was considering that but I need to experiment with how hard it is to cut the tie wrap off. I use the "no Bump" tie wraps on my mouthpieces and will experiment with how hard it is to cut off with theses.
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nickb
The JJ Kid
Inspired by this debate, I just popped-out to my garage and tried it. One cut and the tie-wrap was off.
1. Those things rot apart at the pivot unless you work for the NHS and take a new set every dive.
2. How did you get that splayed tip up and under the existing cable tie to cut it?
I have a set in my hand and they won't do it sorry....
Garth
Tunnel Vision
nickb
The JJ Kid
They last for ages with a bit of grease on the pin.
You don't. Just cut the head off the tie-wrap and job's a good-un.
Pussy, put some effort into it.
Seriously, one snip and it was off. I'll video it if you need proof.
Michael Thornton
Rebreather Enthusiast
Do you use the no bump tie offs from XS Scuba?
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nickb
The JJ Kid
Now you can afford to. Buy 50+ and they're £1.66 plus VAT:
Paramedic Shears 7"
Use them once, then flog them on eBay for a fiver.
nickb
The JJ Kid
No, regular ones, but with a stainless pawl. Grips like shit to a blanket.
SlowDiver
Member
Been following this topic and it is enlightening. I do not carrier a spare mouthpiece because I can breath from the stub if I have to. Also don't carry a spare fin, and if you think loosing a fin would not cause a problem, try swimming without one sometime. It also can be done with practice. I know one old cave instructor that put that in his class. Now I DO carry a spare mask. Had to use it once at Ginnie when a rock fell and hit me in the head and shattered one of the lens. I know I can follow the line without a mask but I can't see the computer for my deco obligation. Arriving at the surface and then getting bent because of no mask would not be good. This was a solo dive.
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Pawel Szopinski
Site Sponsor
Well, I don't carry a mouthpiece or cable ties on the dives with me, even after having two incidents with the mouthpiece underwater, both on the CCR and it was always SeaCure mouthpieces.
One literately split after 2-3 months of faultless diving, so be aware not to overstretch even when warmed. There was no mouthpiece on my Meg DSV for almost 140min and it was a pain in the ass. It obviously worked, but sucking straight machined parts or plastic is not the most comfortable thing to do and I had loads of water getting into the loop, so had to flush my exhale lung a lot - pita without the mouthpiece as you had to close the loop each time. You blow a bit of dil in the process, but it's survivable.
Second time, I was diving in Grand Cayman and it was a rather sunny day, despite having the unit in the shade, it must have been pretty warm as my almost 2 years old mouthpiece was suddenly deformed/loose and came straight off my Shirmp after about 5min into the dive. This time and I took a lung full of sea water. No panic, just shiver as I though that my whole loop got flooded and it's going to be a caustic cocktail, but luckily it wasn't. I grabbed the loop, closed it then pushed my mouthpiece back on the BOV and flushed the exhale lung after going back on the loop.
Just stay coolheaded when it happens and there won't any drama with or without a mouthpiece.
One literately split after 2-3 months of faultless diving, so be aware not to overstretch even when warmed. There was no mouthpiece on my Meg DSV for almost 140min and it was a pain in the ass. It obviously worked, but sucking straight machined parts or plastic is not the most comfortable thing to do and I had loads of water getting into the loop, so had to flush my exhale lung a lot - pita without the mouthpiece as you had to close the loop each time. You blow a bit of dil in the process, but it's survivable.
Second time, I was diving in Grand Cayman and it was a rather sunny day, despite having the unit in the shade, it must have been pretty warm as my almost 2 years old mouthpiece was suddenly deformed/loose and came straight off my Shirmp after about 5min into the dive. This time and I took a lung full of sea water. No panic, just shiver as I though that my whole loop got flooded and it's going to be a caustic cocktail, but luckily it wasn't. I grabbed the loop, closed it then pushed my mouthpiece back on the BOV and flushed the exhale lung after going back on the loop.
Just stay coolheaded when it happens and there won't any drama with or without a mouthpiece.
Mark Chase
ATB=AlwaysTalkingBollocks
I have a mouthpiece in my deep bailout and another on my shalow bailout.
Both would fit on a Golum BOV
So id just nick the one of the bailout i didnt imediatly need and swap it back if i had to go OC for any reasion.
That said carrying a spare isnt a great hardship, so why not. I already have cable ties in my wet notes.
ATB
Mark
Both would fit on a Golum BOV
So id just nick the one of the bailout i didnt imediatly need and swap it back if i had to go OC for any reasion.
That said carrying a spare isnt a great hardship, so why not. I already have cable ties in my wet notes.
ATB
Mark
Michael Thornton
Rebreather Enthusiast
Which cutting device do you use for removing old mouthpiece and or cutting tail off of cable tie?
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Mark Chase
ATB=AlwaysTalkingBollocks
I can just pull off the mouth piece without using a cutting device.
Once off you can crush it to remove the zip tie
Id probably just put up with the tail rather than risk trying to cut it with a knife but I have one of thos stubby DIR serated things that I generly use for cutting cable ties on the boat so id probably use that underwater if I had too.
I must however reitterate if thers any stress or presure involved enough to make me screw up such a simple task?
I'd just go OC and go home.
ATB
Mark
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I can't, but trauma shears will do the job in under 2 sec. Yes, I just tried both - although admittedly not in the water :doh:.
To keep them going, apply vaseline or silicone liberally.
Edit:
Try sideways: bend tip under the cable tie, then rotate the blade under it, cut; works here...
Matthieu
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Ben Field
All IMVHO obviously...
I don't have any mid-dive experience but previously was about to jump in on piddly OC dive instructing when caught and tore mouthpiece on crappy hardboat bench, luckily had spares box to hand but no trimmers so did dive with Ziptie tail hanging out the side- no big deal just shifted lip positon slightly to account for it.
Don't think I'd bother for most rebreather dives, maybe for planned long deco hangs it'd be worth considering as its so easy to carry and change. You'll find even a fully intact mouthpiece can be ripped off by hand and once the mouthpiece is gone the cable tie is no longer tight and falls off
Don't think all the ranting about pre-dive checks is valid, a brand new out of the packet mouthpiece could fail due to unseen moulding fault, ditto mask strap. So I think its a personal call but I'd only consider it for monster dives.