New safety device - survey - 2nd try ;)

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Ive just read the survey and its the usual problem. The questions aren't consistent, aren't thought through, are too simplistic and in some cases leading.
It'll produce results that are too statistically unreliable to be of any use to an academically assessed project and in some cases questions later on directly contradict earlier ones.

In addition to that, the device is completely pointless. Its a solution awaiting a problem.
 
I agree with String - poorly worded questions like most surveys I have taken. For example: "A careful diver is able to eliminate any risk diving does involve.". The answer to this question is ALWAYS "no" - unless all you do is couch dive, you can NEVER eliminate "any" [probably means "all" in the context of the question] risk.

That being said, I can see some potential uses - like finding the up-line as others have pointed out - and maybe to help keep track of one of my kids u/w (but since I check gauges and buddy's position on a very short cycle, I don't know whether even the latter is a valid use).

Tom
 
Finding the upline...

$20 compass or $400 electro-gizmo.

Unlike insta-buddies, a shotline won't fin away and leave you... so a reciprocal bearing is all you need...
 
Finding the upline...

$20 compass or $400 electro-gizmo.

Unlike insta-buddies, a shotline won't fin away and leave you... so a reciprocal bearing is all you need...

Agreed, but after one instance in about 0.5kt current and 6 foot vis at 100' off the coast of NC, it would have been nice to have an electronic "pointer". My dead-reckoning skills in a plane are much better than the same skills u/w (but then I don't usually use dead-reckoning in clouds to compare apples-apples - I can, but usually have other nav aides to rely on).

Tom
 
I'm with BT on this; as a newbie I want to focus on proper technique and learn the necessary skills the right way, as it's my ass on the line.

KL
 
Finding the upline...

$20 compass or $400 electro-gizmo.

Unlike insta-buddies, a shotline won't fin away and leave you... so a reciprocal bearing is all you need...

..unless someone recovers the shot line while you're on the dive when they're not supposed to :)
 
..unless someone recovers the shot line while you're on the dive when they're not supposed to :)

Yeah...I suppose if you had the electro-gizzmo... it'd start buzzing on the boat...and might cause a few questions. Of course, if it wasn't recovered by your boat... you'd lose it :wink:

Agreed, but after one instance in about 0.5kt current and 6 foot vis at 100' off the coast of NC, it would have been nice to have an electronic "pointer".

If you could justify spending $400 on something that might be "nice".

For me...I'd just use a reel if the viz sucked that much.... or not rely on the shotline and pop a DSMB instead. Neither of those items would cost more than $25 either...
 

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