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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 - What is the better model for underwater camcorders: SONY HDR CX560 or SONY 700 HD
I work for an Environment Agency in Northern Ireland and we are currently in the process of purcahsing a new underwater camcorder for the summer f ...
1
1319
15 March Thursday, 11:30 AM
Question - Any information and help full tips on Instrumentation technician in saturation diving?
I'm currently learning an 'electronic, electrical and instrumentation' course at college in the UK. Just wondering if any help could be given on f ...
1
1373
14 November Monday, 5:02 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.
4
2824
19 November Friday, 5:57 AM
Question - Laws on diving, snorkeling and swiming in UK??
Can anyone tell me what are the general laws on diving, snorkeling and swiming in the UK?? I am from Portugal and would like to know about the ...
1
2755
14 October Thursday, 2:41 PM
Question - cdx5 and 300bar bottle compatability??? confused.com
I just recently purchased a CDX5, Din fitting with a reg and octo I was wondering is it safe to use this with a 300 bar bottle??? Ive only starte ...
1
1650
14 October Thursday, 2:25 PM
Question - I am going diving soon and I have been told that there are many jellyfish in the water, I want to know if anyone has tried a stingguard dive mask ...
1
1757
27 April Tuesday, 1:29 PM
Question - Dear Andrew, i wanted to know the recommended temperature and humidity conditions for storage of divng items made of rubber, silicone and neoprene.
Items like fins, face masks, BC, corrugated tubes etc
1
2337
27 April Tuesday, 1:24 PM
Question - Hi im looking for some advice with computers. Is there a computer that you can flag or log your boats position for extra safty when boat diving? I ...
1
2607
27 April Tuesday, 1:11 PM
Question - Could anyone let me know if it is possible to convert a 300 bar DIN valve to a A clamp fitting. I have a A clamp on my 1st stage but the 12l 300 b ...
1
1674
27 March Saturday, 1:15 PM
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 ...
3
2033
29 January Friday, 9:10 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 ...
1
1733
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 ...
7
3368
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 ...
1
1753
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 ...
2
1901
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 ...
1
1619
16 January Saturday, 1:11 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.