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 - 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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995
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
1009
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 ...
1
1111
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 ...
1
1228
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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1749
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 ...
1
963
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 ...
1
1062
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 ...
1
1096
24 August Monday, 4:54 PM
Question - Hi Andrew, My last dive was about 25 years ago and want to get back into it, I noticed that the equipment has changed over the years. I have been ...
1
1016
24 August Monday, 4:50 PM
Question - Dear Andrew. I'm presently conducting research for a book about salvage divers. I'm a keen recreational diver myself but would love to be able to ...
1
1913
10 March Tuesday, 7:59 PM
Question - hi, I read in another post about how you mark the line on your spool to help with deco stops. I am planning to do this but had a question before ...
Would you take into account how far under water the line starts? i.e do you put a 3 meter mark three meters down the line and do any 3m deco stops ...
1
1244
10 March Tuesday, 7:57 PM
Question - Hi Andy , Whats the best synthetic oil to use in sealing up a battery compartment in a dive computer ( Aladin Air L ) Thanks
1
1566
24 February Tuesday, 8:26 PM
Question - Dear Sir, Thank you for your response on the paint scheme of the diving cylinders. may I request another pice of information. what is the recomme ...
2
1362
31 January Saturday, 1:55 PM
Question - Dear Sir, Could you help me with the specifications of the approved paint scheme for diving cylinders. Thank you
Cylinders of Divator (steel) and Oxygen bottles( Aluminium alloy)
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1682
27 January Tuesday, 12:44 PM
Question - thanks Andrew for your reply on solo diving.
1
1222
27 January Tuesday, 12:03 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.