On Fri, 19 Nov 1999 12:34:05 -0500, Wrolf Courtney wrote:

>"Sean T. Stevenson" wrote:
>
>> Questions, comments, additions, suggestions, flames?
>>
>> -Sean
>
>I assume you have web server space for this.  If not, then I have plenty of
>space at wrolf.net.

If possible, I would like this FAQ to have its own domain name.


>Some questions:
>
>1. Where can I learn more?
>    Take a course with GUE (http://www.gue.com/)
>    Check out the web sites listed at http://wrolf.net/#Hogarthian.
>    Read the techdiver list.
>    Volunteer for the WKPP.

Sources of further information, recommended reading, etc., will
probably be added sometime after the core document is made live.


>2. What is the difference between DIR and Hogarthian?

Has nothing to do with DIR, and besides, the latter term is falling out
of common usage.


>3. Why is there so much flaming on the techdiver list?

Irrelevant to this document.


>4.  What is a stroke?

Irrelevant to this document.


>5.  Is the DIR system appropriate for:
>
>a) Cave diving?
>- Yes, it was developed by cave divers.
>
>b) Warm water open water diving.
>- Yes, the modifications are ..
>
>c) Solo diving
>- Diving in buddy or three person teams is a central component of DIR.
>However, a solo diver will still benefit from adopting the remainder of the
>DIR practices.
>
>d) Cold water decompression wreck diving with current from anchored boats
>(e.g. NE wreck diving)?
>- Yes, the modifications are ... (two reels, one for penetration and one for
>an upline; thicker gloves; bigger clips - specify how big)

All of these questions will be addressed, but not necessarily in the
form of individual question and answer.  My idea was to start from
square one with putting together a system for any type of diving, and
follow through with the logic behind each equipment selection and
placement decision.  Each of the above questions would be answered, but
in order as part of an entire logical process putting the kit together.


>6) What is butt mounting, and why is it wrong?

Again, I don't intend to focus on negative questions, this really has
nothing to do with describing DIR.  There are many more ways to do
something wrong than there is space for.  What I will do is discuss all
pertinent issues relating to lights, selection, placement, operation,
maintenance, etc., which will effectively answer this question by step
by step reasoning of the right way to mount a light.


>7) What are the standard bottom mixes to use?

Will discuss proper gas selection, gas management, bottle marking and
all other associated issues.


>8) What are the standard decompression mixes?

I personally use 18/41, 35/33, 50/25 and 100% oxygen.  There seems to
be some discrepancy in the helium content used in deco gases, but these
are the oxygen percentages, on advice from the WKPP.  Perhaps someone
on the team can provide a detailed reasoning as to how these figures
were arrived at?


>9) Why not use 80/20?

"Baker's Dozen", reformatted to make it somewhat more formal.


>10) How about rebreathers?
>  - Rebreathers are much riskier than open circuit SCUBA
>  - They should only be used when necessary.
>  - Electronic rebreathers are deathtraps
>  - The only rebreather to use is the passive addition semi-closed Halcyon
>PVR-BASC because ....

I do not use them so cannot comment effectively here.  Anyone diving
DIR rebreather please feel free to contribute.


-Sean



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