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Here's the problem with your solution - where do you go when something is wrong? Good luck in cutting the distributor out :demon:

Are they rated for underwater use? Its my understanding that the CF gives strength and a thin metal (steel or aluminium) layer seals the gas. Thin metal layers and salt water would be fun regardless of how much carbon you use ...

Nice vid (I did have a PDF on my website before - as the original maker of shiney knobs - but closed the domain) :) Careful of depression the lever - you can still sheer off the shoulders - best to do like you said which is two spanners (wrenches for our american friends)

Oh yeah they float in seawater (US, Euro and Aussie spec 80s) when they're empty ;) Even with DSTs and heavy brass gauges ...

Thats pretty much what stock mediums look like on me without the need for any modifications (192cm and 110kg :) )

Mark I'll answer your question with a question: Why carry weight for something that you will rarely use and can dump (more usually hand off or send up / clip off to a line) in a bailout situation? weight yourself for the stuff that you can not get rid of (ie your CCR only) - it would be...

Are you conducting double blind and controlled experiments? Otherwise its just your subjective opinion not empirical evidence. Personally (my subjective opinion) I can't notice difference between air and nitrox although Richard Pyle in the old days was sure Nitrox was more narcotic (gain his...

Helmets for scootering ... don't make me laugh. How fast do you think you are actually going? 1/2 to 1/3 walking speed??? 45m per min (pretty fast for cave scootering) is 2.7km per hour - you are much more at risk of banging your head harder gearing up in your car.

Was thinking about this also today. Assuming total saturation and a 1.6 M value that means the worse the body can arriving at 6m would be 1.6 x 1.6 = 2.6 (between friends LOL) The figure from my earlier post of 1.5mg per L per atm Then take your 100kg diver - assuming we are mostly...

Some random thoughts on this (assuming correctness of original post): - Not sure on the calculations but 2.5g of N2 is roughly 2L at surface (1mol of gas having a volume of 22.4L STP) . At 6m this would be less (P=1.6bar). - Further to this that would assume the body is saturated at...