isolation manifold extension knob question

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I work with handicapped divers. None of them need that device. Certainly not on an isolation manifold.

If you can't reach your valves you shouldn't be in doubles. Show me a training manual that says put a slob knob on your equipment.


You may as well say if you need air in a tank to breath underwater, or fins to swim with, you shouldn't be diving.

ALL scuba equipment is "Adaptive Technology" to some extent.
 
so... time to think about selling it.

what would be a good starting point.

it is approximately 30" long.


http://jcaelitescuba.com/temp/slobknob.jpg



http://www.scubatoys.com/store/detail.asp?product_id=oms_remote_valve_knob_assembly

discontinued...

http://www.customdivers.com/remote-lead-109-p.asp (United Kingdom)

£125 or $195
 
...please recycle it. Nobody should be using extensions....

17 years ago I had 4-part hemiarthroplasty in my right humerus. For the non orthopedic surgeons in the room that means the humeral head and shaft on the right side were rebuilt from the elbow up to the shoulder joint with a prosthesis that gave me back mobility in my right arm. In doing so all of the deltoids had to be attached to the prosthesis which changed their positioning and stretched them somewhat in the resting position.

As a result I lost range of motion in my right arm. My external rotation is mildly affected, but the major loss is my inability to put my hand into the small of my back or to reach my wallet in my back pocket. My scapula wings outwards and I am unable to move beyond a short distance without great pain. This affects overhead motion similarly. Lie on my back on the floor and put my arms out on the floor in a "springboard diver" position? Not with my right arm I can't.

It's been 17 years and the mobility has slowly decreased. A few years ago I became unable to do isolation drills because I could no longer reach behind my neck with my right arm to get to my valve. I looked for a slob knob for a while and couldn't find one, so I switched to sidemount diving, and a few years ago to a rebreather.

To say "nobody should be using extensions" is a gross misstatement. Adaptive technology makes diving possible for Wounded Warriors and an entire host of other individuals for whom diving would be impossible without just such devices, including me.


-Adrian
 
If you can't reach your valves you shouldn't be in doubles.

It is obvious that you have not seen single tank ice divers yet :D
That would change your mind.
 
https://www.shearwater.com/products/peregrine/

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