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Mikesom66
Friendly team, but key technical issues were overlooked
Bosa Diving Center的点评
点评：The crew on board was very welcoming and created a great atmosphere. I joined the group primarily to watch my nephew do his try-dive before heading off with my buddy, so I certainly don't wish to blame anyone personally—the instructor was a lovely chap. However, as an N2 diver returning after a 15-year break, the technical follow-through left me a bit disappointed.
Based on old memories from diving in cold lake water with a 2x7mm wetsuit, I initially suggested 8 kg. With a single 5mm suit in the sea and a steel tank, this was a severe overweighting. Unfortunately, no surface buoyancy check was done to catch the mistake before descending.
Throughout the dive, my breath control (lung-ballast) had zero effect—even with full lungs, I couldn't ascend at all, forcing me to rely entirely on my BCD. My weight belt kept slipping, and when I mentioned it, the instructor simply told me to go to the bottom to tighten it, rather than realizing the suit compression was caused by excess weight.
At the end of the dive back at the surface, I suffered a calf cramp from fighting the heavy weight. The response was just "you kick too much, relax, inflate your BCD," missing the root cause entirely.
Being integrated into a large group of try-dives meant the team was likely too busy to notice these obvious red flags. Returning certified divers should strictly insist on doing a proper surface buoyancy test before heading down
Based on old memories from diving in cold lake water with a 2x7mm wetsuit, I initially suggested 8 kg. With a single 5mm suit in the sea and a steel tank, this was a severe overweighting. Unfortunately, no surface buoyancy check was done to catch the mistake before descending.
Throughout the dive, my breath control (lung-ballast) had zero effect—even with full lungs, I couldn't ascend at all, forcing me to rely entirely on my BCD. My weight belt kept slipping, and when I mentioned it, the instructor simply told me to go to the bottom to tighten it, rather than realizing the suit compression was caused by excess weight.
At the end of the dive back at the surface, I suffered a calf cramp from fighting the heavy weight. The response was just "you kick too much, relax, inflate your BCD," missing the root cause entirely.
Being integrated into a large group of try-dives meant the team was likely too busy to notice these obvious red flags. Returning certified divers should strictly insist on doing a proper surface buoyancy test before heading down
翻译：船上的工作人员非常热情，营造出了极佳的氛围。我加入这个团队主要是为了观看侄子进行体验潜水，之后才和朋友一起离开，所以我绝对无意指责任何人——那位教练是个很好的人。不过，作为一位时隔15年重新潜水的N2级潜水员，实际的技术操作让我有些失望。
根据以往穿着2层7毫米厚湿式潜水服在冷水湖中潜水的记忆，我最初建议使用8公斤的配重。只穿了一件5毫米厚的潜水服并携带了一个钢制氧气瓶，这样的配置显然严重超重了。遗憾的是，在下潜前并未进行水面浮力测试来发现这个错误。
整个潜水过程中，我的呼吸控制（利用肺部调节浮力）完全不起作用——即便肺里充满了空气，我也根本无法上浮，只能完全依靠浮力调节装置。我的配重带还频频滑落，当我向教练反映此事时，他只是让我下到水底去把带子系紧。我并没有意识到潜水服的紧绷感其实是由体重过重引起的。
潜水结束后回到水面时，由于要对抗过重的身体负荷，我的小腿抽筋了。而教练的回应仅仅是：“你踢腿太用力了，放松点，给BCD充气吧”，完全忽略了问题的根本原因。
由于我被安排参加大型体验潜水团，整个团队很可能忙得不可开交，根本无暇注意到这些明显的危险信号。持有认证的潜水员在下潜前，务必严格进行规范的水面浮力测试。
根据以往穿着2层7毫米厚湿式潜水服在冷水湖中潜水的记忆，我最初建议使用8公斤的配重。只穿了一件5毫米厚的潜水服并携带了一个钢制氧气瓶，这样的配置显然严重超重了。遗憾的是，在下潜前并未进行水面浮力测试来发现这个错误。
整个潜水过程中，我的呼吸控制（利用肺部调节浮力）完全不起作用——即便肺里充满了空气，我也根本无法上浮，只能完全依靠浮力调节装置。我的配重带还频频滑落，当我向教练反映此事时，他只是让我下到水底去把带子系紧。我并没有意识到潜水服的紧绷感其实是由体重过重引起的。
潜水结束后回到水面时，由于要对抗过重的身体负荷，我的小腿抽筋了。而教练的回应仅仅是：“你踢腿太用力了，放松点，给BCD充气吧”，完全忽略了问题的根本原因。
由于我被安排参加大型体验潜水团，整个团队很可能忙得不可开交，根本无暇注意到这些明显的危险信号。持有认证的潜水员在下潜前，务必严格进行规范的水面浮力测试。
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