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Tek-Talk: Discuss Accelerated Deco in the Technical and Specialist Diving Forums forums: Hi All I'm interested in being able to use richer nitrox mixes to carry out accelerated decompression. However, rather ...

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Old 02-01-08, 05:57 AM
TonyDragon TonyDragon is offline
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Accelerated Deco
Hi All
I'm interested in being able to use richer nitrox mixes to carry out accelerated decompression. However, rather than just going out and buying a Vytec I want to do a course so that I understand the theory behind it. Would the TDI Decompression Procedures Course teach me what I want to know or would I need to go on and do Extended Range as well?
Also, if anyone has done this course I'd like to hear what you thought of it, or if there are any better alternatives.

Thanks

Tony.
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Old 02-01-08, 06:56 AM
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weazelz weazelz is offline
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TDI Deco Proc's will give you accelerated deco on ntirox mixes that you are already certified for - typically 40% for a basic nitrox cert. it is often run in combination with the TDI Advanced Nitrox course to allow access to up to 100%. there is no need to do Extended Range for this

since you seem to be in Aus I won't recommend a UK instructor
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Old 02-01-08, 07:46 AM
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Speak to a good instructor like Mark Powell who will give you good advice without putting any pressure on you
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Old 02-01-08, 07:50 AM
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I didn't notice you are in Afus - sorry

Sure if you pm him he will be happy to give you good advice
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Old 02-01-08, 08:43 AM
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i did the avdanced nitrox and deco procedures combined course recently and can recommend it. There is bound to be someone on here who knows or can reccommend an instructor in Oz.
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Old 02-01-08, 08:46 AM
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sorry, ment to say this gets you to 45m depth, staged deco and up to 100% for deco. Extended range gets you another 10m deeper but tri mix is probably the way to go for deeper diving imho
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Old 02-01-08, 12:38 PM
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Quote:
Originally Posted by liamm
i did the avdanced nitrox and deco procedures combined course recently and can recommend it. ...
Fully agree with that, the combined course is very good will cover what you need.

I personally did not bother with Extended Range and went straight to trimix as I wanted a nice clear head at depth
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Old 02-01-08, 01:20 PM
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whats the tri mix course like?
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Old 02-01-08, 01:42 PM
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Quote:
Originally Posted by liamm
whats the tri mix course like?
I found it was a good course, though to be honest I had a very good instructor (Mark Powell) and it was the instructor made the course.

There is a bit of a refresher of the Adv Nx & Deco theory then quite a bit about the effects of trimix, dive planning and considerations for what can go wrong and how to deal with it.

On the in water stuff it was more aimed at problem solving and identifying areas that you needed to improve on rather than teaching new skills (you should be able to do shutdowns, have reasonable buoyance, etc beforehand). Though playing with a drop tank was new to me.

Foggy posted a write up of the course that I was on: The Malteasers Trip - caution its a long one
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Old 02-01-08, 02:29 PM
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does this course involve two stage/deco cylinders?
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