FFM can be DIR!
- Thread starter FFMDiver
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I think you should give that a try and report back how it worked.
chrpai
Contributor
Don't feed the troll!
Seriously, FFM would be good in terms of buddy communications and o2 tox hits... but how do you provide redundacy? Do you hook the integrated 2nd stage onto a low pressure valve that is hooked up to both first stages so that if you have to do a valve drill you can switch from one to the other? And of course what do you do if your only 2nd stage fails?
(Duck!! Christ, I'm joking)
Seriously, FFM would be good in terms of buddy communications and o2 tox hits... but how do you provide redundacy? Do you hook the integrated 2nd stage onto a low pressure valve that is hooked up to both first stages so that if you have to do a valve drill you can switch from one to the other? And of course what do you do if your only 2nd stage fails?
(Duck!! Christ, I'm joking)
To really understand how to dive safely with FFM or helmet all you need to do is go to a commercial diving school.
A *real* FFM has a sideblock with a valve you open to freeflow gas. This is no problem at all when using the LONG hose of neverending gas.
You also have the best buddy ever, called your "tender". While you are in the water the tender has only one job, to watch out for the diver. Unlike a scuba buddy who is also doing his (her) own dive.
DIR as taught by GUE, and trademarked by Halcyon is a good system but is not the only way to dive.
pipedope:
To really understand how to dive safely with FFM or helmet all you need to do is go to a commercial diving school.
A *real* FFM has a sideblock with a valve you open to freeflow gas. This is no problem at all when using the LONG hose of neverending gas.
You also have the best buddy ever, called your "tender". While you are in the water the tender has only one job, to watch out for the diver. Unlike a scuba buddy who is also doing his (her) own dive.
DIR as taught by GUE, and trademarked by Halcyon is a good system but is not the only way to dive.
I'm not sure I see what you're getting at. Good or bad FFM's are used in both recreational and technical diving. There is no tender or surface supplied gas and there isn't going to be. This is where the conversation has to start.
There are a few divers using FFM's for cave exploration because of the communications (radio rather than hard wire or ultrasonics and custom by brian Peace) capability. Teathers and tenders aren't an option and I'm not sure how a commercial diving school would be of help.
FFM's present a good number of configuration issues. Some decide it's worth it.
chrpai:
Not going to enter into a DIR debate...
Just some info on the M-48 and gas switching capabilities.
As far as FFM go the M-48 is the only one that does allow fast and easy switching of second stage (or different mix) assemblies on the bottom. It can be done using the masks POD adapters for an extended switch or on any normal second stage (the mask orifice was designed large enough that it allows any second stage to be inserted)
http://www.kmdsi.com/products/m48.html
Jeff Lane
rmediver2002:
That's a very interesting product. Will it work with other than Super Flow second stages? If so, do you know how much it costs?
Thanks.
Northeastwrecks:
It will also work with other second stages but the price difference with and without the regulator is very small... It would be well worth your while to get it with and then switch and re-coup some of the expense by selling the superflow 350...
The Kirby Morgan dealer suggested retail is:
$525, no regulator
$595, with regulator
extra pod adapters $105.00
The OTS pricelist is the same but it has a sticky that they are offering special pricing right now.
http://www.oceantechnologysystems.com/
Jeff Lane
Thanks very much. I'm quite interested in the rig.
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