| 翻訳と辞書 |
| Robert Croft (diver) ： ウィキペディア英語版 |
Robert Croft (diver)
Robert Croft is a free-diver who, in 1967, became the first person to free-dive beyond the depth of 200 feet. Croft was a US Navy diving instructor in 1962 at the US Naval Submarine Base New London submarine school in Groton, Connecticut. At the submarine escape training tank, instructors train prospective submariners how to escape from a disabled submarine, which could be resting on the sea bottom.
==Freediving career==
Working 5 hours per day, 5 days a week at the 118-feet deep 250,000-gallon submarine escape training tank provided him an opportunity to salve his curiosity about holding his breath underwater. From an initial breath-hold time of 1½ to 2 minutes, after a year he was able to hold his breath for over 6 minutes, dropping to the bottom of the tank and sitting there for over three minutes and then returning to the surface at a relaxed pace. With that high level of comfort, he wanted to see how far he could go beyond the 118-feet depth.
In 1967, at the encouragement of his fellow instructors, Croft set out to discover how deep he could dive while holding his breath. Over an 18-month period, in competition with Jacques Mayol and Enzo Majorca, he established three depth records:
*
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「Robert Croft (diver)」の詳細全文を読む
スポンサード リンク
| 翻訳と辞書 : 翻訳のためのインターネットリソース |
Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.
|
|