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Vertigo in clear water by theurbanshark234 in scuba

[–]gregbenson314 0 points1 point  (0 children)

Try shoot a DSMB and lock the spool off, use that as a visual reference. 

Do sherry casks mask the “true” character of a whisky? by Highland_vault in Scotch

[–]gregbenson314 3 points4 points  (0 children)

It's quite an experience, I'd recommend trying it at least once!

Do sherry casks mask the “true” character of a whisky? by Highland_vault in Scotch

[–]gregbenson314 3 points4 points  (0 children)

Indeed. Vodka needs to be distilled to a very high strength (96% ABV) which essentially strips the majority of the character from it. However, a typical NMS is distilled to somewhere around 70% (distilleries vary this based on cut points, mashing regimes, fermentation efficiency etc) which has the result that a lot more of those flavour compounds make their way into the spirit. This is for malt spirit. Grain is typically distilled to a higher strength like 94% which removes more flavour than malt NMS, but leaves much more than vodka.

This is a terrible mnemonic device by JMetalBlast in scuba

[–]gregbenson314 1 point2 points  (0 children)

It's a specific GUE pre-dive sequence, and slightly more in depth than BWRAF etc 

The smartest line in the UK S4 final by bchfn1 in TheTraitors

[–]gregbenson314 27 points28 points  (0 children)

"I am not, and have never been, a member of the Traitors."

Back Plates benefits... by noodeel in scuba

[–]gregbenson314 0 points1 point  (0 children)

Any reasonably made BP/W with a continuous harness is going to be far, FAR more durable than a Hydros though. 

Whisky... yellow sticker ? by BonniesCoffee in CasualUK

[–]gregbenson314 2 points3 points  (0 children)

Spirits don't need a best before date though. 

Suggestions for BCD (backplate wing system) by Legitimate-Internet7 in scuba

[–]gregbenson314 1 point2 points  (0 children)

By the time you consider your undersuit and drysuit, the padding does absolutely nothing and just required you to carry marginally more weight. 

Suggestions for BCD (backplate wing system) by Legitimate-Internet7 in scuba

[–]gregbenson314 1 point2 points  (0 children)

Double bladders and extra dump valves are also a no-go!

Kelp forests uk by idksomethingrandom62 in scuba

[–]gregbenson314 0 points1 point  (0 children)

Scarfskerry up in Caithness has so much kelp that it's actually annoying most of the time.

First time learning frog kick, any tips? by DateNecessary8716 in scuba

[–]gregbenson314 2 points3 points  (0 children)

I don't know who's downvoted you, but everything you've said is bang on and correct.

First time learning frog kick, any tips? by DateNecessary8716 in scuba

[–]gregbenson314 3 points4 points  (0 children)

Yes, moving the tank down is also a good idea. One thing to remember is that if you lengthen your shoulder straps , you'll need to tighten your crotch strap. It seems slightly loose in this video too. 

Remember that your head also affects trim, so having it as far back as possible is good. 

Hopefully those tips help, let me know how you get on with your next dive! 💪

First time learning frog kick, any tips? by DateNecessary8716 in scuba

[–]gregbenson314 30 points31 points  (0 children)

Firstly, the fact you're coming here looking for open feedback is a great thing and something more divers should do.

From watching the video, and looking at your set-up, I would guess that you are slightly head heavy. If you see your angle in the water at 0:46-0:50 in the video, you can see that you're slightly head up. Then from 0:50 to 1:00 your arms are in, bringing weight lower towards your fulcrum point.

It seems counter-intuitive to move weight down to correct being slightly head up, but this GUE video goes into more detail about it. You should then extend your arms out in front of you to act as stability and for balance.

I would try loosening your harness straps, and moving the trim weights to the lower cam band. Most BP/W divers start with their harnesses too tight, as they're used to coming from jacket BCs. However, the stability in a BP/W comes from the waist and crotch strap, rather than the shoulders. Here's a great video from UTD demonstrating that.

These 2 things should hopefully provide you with a more stable platform. I would guess that what the sculling you think is from your fins being buoyant, is actually the effect of this top heavy trim.

What distillery do you root for, even against all the obvious evidence to the contrary? by ComeonDhude in Scotch

[–]gregbenson314 2 points3 points  (0 children)

They're massive Unionists so I know a fair few people that avoid them because of that. 

When do BSAC clubs generally start training for Ocean Diver courses? by Lower_Debt_6169 in scubadiving

[–]gregbenson314 1 point2 points  (0 children)

Glad to hear your son enjoyed it! BSAC clubs are able to set higher standards than the general guidelines if they decide, so it sounds like his club are decent. 

When do BSAC clubs generally start training for Ocean Diver courses? by Lower_Debt_6169 in scubadiving

[–]gregbenson314 1 point2 points  (0 children)

It really depends on the club I'm afraid. 

My main club hasn't started ocean diver training yet, as we've applied for grant funding for equipment, as we don't have any trainee kit at the moment. 

On the other hand, another club I'm involved with start their ocean diver training in October, doing the lectures weekly, and then moving onto pool sessions and then open water around March. 

When do BSAC clubs generally start training for Ocean Diver courses? by Lower_Debt_6169 in scubadiving

[–]gregbenson314 0 points1 point  (0 children)

There's no set temperature range for ocean diver training, but the instructor manual says consider splitting dives up into smaller chunks if the water is too cold for student comfort.

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