Technical Q7A Forum

All questions are answered by Andrew Dawson-Maddocks, Director of training at the ADM Diving. Andrew has over 3000 dives logged across 4 continents and has amassed many stunning dives to 90m and beyond . ADM Diving & Technical Services Ltd is proudly associated with PADI, IANTD, EFR and DAN, offering an extensive range of training programmes.

Questions posted to the technical q & a forum page are sent to Andrew for his comment and reply. Once a reply has been sent, both the question and answer will post to the forum page.

Questions are shown in Red and the answer from Andrew is shown in Blue. Once an answer is posted, it is then possible for other users to post additional comments, these are shown in black.

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Last Post
Question - Andrew, I have been a recreational scuba diver for 12 years now and have made over 1000 dives and am a PADI Divemaster. I recently decided to pr ...
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29 January Friday, 9:10 PM
Question - I'm quite a new diver, although I'm now totally commited! I have been looking at the different types of organisations for Technical diving (TDI, ...
I'm PADI Rescue.
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562
24 January Sunday, 3:41 PM
Question - I have just bought a a12 arrow greenforce battery pack with pro head which takes 30-50w halogen bulb is there a differant type of bulb i can buy i ...
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24 January Sunday, 3:35 PM
Question - What other features to look for in a dive computer for beginning technical diving? Particularly there are models allowing two and three switches ...
I am about to buy a new dive computer and I would like to get one that would be useful for beginning technical diving. It strikes me that spendin ...
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23 January Saturday, 11:22 PM
Question - I am looking to buy a tec wing system. I am 1.55m and 52kg... What kit would you recommend. The tec diving would be done in the UK and abroad. My ...
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22 January Friday, 1:57 PM
Question - Hi Andrew. Most commercial aircraft seem to drop the cabin pressure to around 0.75 bar. If the cabin is filled with air this would give a ppO2 of ...
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18 January Monday, 10:58 PM
Question - General Dive permit ??, I am a certified diver here in the US , and would like to take vacation and dive the waters of the UK next summer, are the ...
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16 January Saturday, 1:11 PM
Question - Hi Andrew I have a Dacor regulator set which i have been informed is no good for winter diving what type of reg would be adequate without busting ...
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16 January Saturday, 1:08 PM
Question - General Dive permit ??, I am a certified diver here in the US , and would like to take vacation and dive the waters of the UK next summer, are the ...
1
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20 December Sunday, 12:59 PM
Question - i have a 232 pony bottle and an oceanic cdx5 din, after removing the centre cap there are only 5 threads inside but 9 on the first stage forgive m ...
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186
29 September Tuesday, 4:07 PM
Question - hi please can you help, i have been taught to have a safety stop at 5 metres for 3 minutes however my partner says that this should be 6 minutes a ...
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280
1 September Tuesday, 4:59 PM
Question - Hi Andrew, I would be grateful if you could advise me on suitable dive sites in the UK over the summer months... I'll be using my 7mm wetsuit long ...
I initially qualified to dive with PADI [open water and open water advanced] and then followed that up with a NAUI rescue diver and NAUI master sc ...
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24 August Monday, 7:37 PM
Question - contacts
hi andrew i posted this question up in the general forum already but no replies just wondering do u have a answer. other than masks with correct ...
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185
24 August Monday, 5:17 PM
Question - Dear Andrew, I am researching the safety element of open water dives and have a question. Is it safe to undertake 2 open water dives inside ...
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24 August Monday, 5:09 PM
Question - I want to become a mechanical dive technician. I don't want to be a diver though. Can anyone please advise the best way to go. maybe good schools ...
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24 August Monday, 4:54 PM
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Disclaimer:
The views expressed by the author are their own and the publishers accept no liability for the advice and views expressed by the author, or other users, which are provided as a general service to divers. Users are warned that secondary posts are the views of other users and may not be technically correct.