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Thread: Bsac Twinset

  1. #21
    Gobbie squaddie, average diver timmyg's Avatar
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    Quote Originally Posted by Nickpicks View Post
    I did Twinset and ADP together.
    I think ADP doesn't mandate a twinset - it mandates a redundant source. There are diagrams of options for this - my favourite was the single 12 with a redundant 3 strapped on one side, and another 3 on the other side for the deco gas. I think it's called the "Space Shuttle" rig.
    That is correct, although the equipment configurations allowed will be changing when the new revisions are agreed and published.

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    Last edited by graham_hk; 02-12-2020 at 07:00 PM.

  3. #23
    Established TDF Member MikeF's Avatar
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    Quote Originally Posted by graham_hk View Post
    You can learn to drive from any drive instructor in the UK - they are available in every village/town/city and are pretty cheap and generally thats the way most drivers learn and they can drive in a sense. However, if you get a sports car and want use it properly (ie go fast), what you learn from the local drive instructor will probably not be very useful. You probably need a racing car instructor to get the most out of your new sports car.

    Diving is a bit like that - if you want to use the twinset to its full potential find a proper tech instructor who is doing the type of diving you aspire to and get them to teach you. Not all diving instructors are created equal
    You can learn with a racing car driver to get the most out of your sports car but if you only drive on 30mph roads what's the point?

    Diving is a bit like that. I had just finished a dive on the Breda a few weeks ago and a local charter boat turned up with divers with twin 12's and stages and all the techie gear.

    Doing a twinset course with a full time dive bum is all very well but if you're only going to get the local dive taxi to take you to the same sites you were diving on your single 12 then what's the point of all that expensive pixie dust?

  4. #24
    Established TDF Member Nickpicks's Avatar
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    Quote Originally Posted by timmyg View Post
    That is correct, although the equipment configurations allowed will be changing when the new revisions are agreed and published.

    TPG
    Any ideas on when this revision will be agreed / published?

    It's almost as mythical as a PDF based rebreather
    The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at or repair.

  5. #25
    Gobbie squaddie, average diver timmyg's Avatar
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    Bsac Twinset

    Quote Originally Posted by MikeF View Post
    You can learn with a racing car driver to get the most out of your sports car but if you only drive on 30mph roads what's the point?

    Diving is a bit like that. I had just finished a dive on the Breda a few weeks ago and a local charter boat turned up with divers with twin 12's and stages and all the techie gear.

    Doing a twinset course with a full time dive bum is all very well but if you're only going to get the local dive taxi to take you to the same sites you were diving on your single 12 then what's the point of all that expensive pixie dust?
    Have you done TDI ITT or Fundies (or similar)?

    These courses are not technical courses, they’re purely recreational. A Twinset is ideal for those types of dives as it allows you a longer bottom time. The use of a twinset is only a small part of it.

    It’s easy for an instructor to give you an answer but that could be seen as bias, ideally someone who has done a course could add some value to this post.

    TPG


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    Last edited by timmyg; 12-10-2020 at 12:44 PM.
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  6. #26
    Gobbie squaddie, average diver timmyg's Avatar
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    Quote Originally Posted by Nickpicks View Post
    Any ideas on when this revision will be agreed / published?

    It's almost as mythical as a PDF based rebreather
    I wouldn’t want to give an answer in case it doesn’t come about by that deadline.

    The technical group are all volunteers and work is being done on a number of courses, and each has a specific lead. Courses inc twinset, Sidemount, DPV - recreational initially (although technically all 3 of theses courses are not technical they’re being done by the group for continuity when the follow on courses are done), ADP, MOD 1 & 2, SMG etc...

    I am the lead for one and have helped review a number of others. Ultimately the group lead & chief examiner have the final say on publishing times as there’s iso accreditation etc... and not forgetting all of this is being done by volunteers.

    TPG


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    Last edited by graham_hk; 02-12-2020 at 06:59 PM.

  8. #28
    Team Starburst Ian@1904's Avatar
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    Quote Originally Posted by MikeF View Post
    You can learn with a racing car driver to get the most out of your sports car but if you only drive on 30mph roads what's the point?

    Diving is a bit like that. I had just finished a dive on the Breda a few weeks ago and a local charter boat turned up with divers with twin 12's and stages and all the techie gear.

    Doing a twinset course with a full time dive bum is all very well but if you're only going to get the local dive taxi to take you to the same sites you were diving on your single 12 then what's the point of all that expensive pixie dust?
    I can see your point. However writing as someone that has done some specialised driving tuition then the tuition leads to a different approach to how you drive a car; defensive driving techniques, threat awareness etc. I found the same happened when doing some of the more advanced dive courses.

  9. #29
    Established TDF Member Steve Clark's Avatar
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    Quote Originally Posted by Ian@1904 View Post
    I can see your point. However writing as someone that has done some specialised driving tuition then the tuition leads to a different approach to how you drive a car; defensive driving techniques, threat awareness etc. I found the same happened when doing some of the more advanced dive courses.
    This is the whole point of the Fundamental courses. It's just a shame people typically come to them after many years of diving. Put all the technical & ego stuff to one side, just learning how to remain stationary, fin properly & fin backwards would make most diver's diving so much more comfortable and satisfying. It's not even obvious you don't have this skill until you do the course.

    Like reversing using your wing mirrors rather than looking out the back window. Adds finesse, confidence and makes your life a hell of a lot easier if you decide to drive a van.

  10. #30
    Coastal Member dwhitlow's Avatar
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    Quote Originally Posted by graham_hk View Post
    You can learn to drive from any drive instructor in the UK - they are available in every village/town/city and are pretty cheap and generally thats the way most drivers learn and they can drive in a sense. However, if you get a sports car and want use it properly (ie go fast), what you learn from the local drive instructor will probably not be very useful. You probably need a racing car instructor to get the most out of your new sports car.
    Not a lot of point seeking to get the full potential from a sports car when speed limits, road safety considerations, and other drivers would limit that in most situations!
    Quote Originally Posted by graham_hk View Post
    Diving is a bit like that - if you want to use the twinset to its full potential find a proper tech instructor who is doing the type of diving you aspire to and get them to teach you. Not all diving instructors are created equal
    I certainly wouldn't compare a sports car with a twinset!! Perhaps closer to a transit van!

    If he wanted the diving equivalent of a sports car then he might be learning how to pack a scrubber and dive with a DPV!

    If he were seeking to do something bonkers like dive in silty holes in the ground () then a different approach might also be appropriate.

    However, the OP is doing the twinset course to meet as an insurance compliance objective. Therefore, £30 on materials (if he buys them), some classroom sessions and tutorials, and a few dives, seems to represent an adequate commitment.


 
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