Edward Francis Eldred was a pioneer of scuba diving in Australia.
17 Facts About Ted Eldred
2.
Ted Eldred started snorkelling as soon as mask, fins and snorkel were available, and wished that he could make or obtain some sort of free-swimming breathing set, until World War II intervened.
3.
Ted Eldred said he had never dived with the Cousteau-Gagnan model of the Aqua Lung, but knew of its existence and its principle.
4.
When Eldred decided that rebreathers were not suitable for general sport use, he shifted his focus to developing the world's first single-hose open-circuit scuba set, both with tradename "Porpoise".
5.
Ted Eldred reasoned that the rebreather should be designed to stop flowing oxygen when the diver descended below that depth.
6.
Ted Eldred realized at this point that he needed to turn his efforts toward open circuit compressed air breathing apparatus.
7.
Ted Eldred was accompanied on this demonstration by Bob Wallace-Mitchell, who would become his distributor.
Related searches
Jacques Cousteau 8.
The French-designed open circuit scuba, called the Aqua-Lung, was protected by US and international patents, so Eldred set about designing the Porpoise CA, the world's first single hose regulator.
9.
Ted Eldred referred to the French model as the Gagnan Aqua Lung, as designer Emile Gagnan was the Frenchman who actually designed the device for Jacques Cousteau.
10.
Ted Eldred made the CA-2, which was a double cylinder model.
11.
Ted Eldred's marketing was done by his friend Bob Wallace-Mitchell.
12.
In 1954 Eldred created the Porpoise Universal, which had a high supply rate of over 300 liters per minute.
13.
Market needs made this model necessary, but Ted Eldred did not like it.
14.
Ted Eldred worked for them for a time, but eventually left diving behind, discouraged by this experience.
15.
Ted Eldred was recognized in later life, by the Historical Divers Society, as the inventor of the first successful commercially produced single hose SCUBA.
16.
When Ted Eldred died, he did not have a single complete Porpoise left.
17.
Ted Eldred died of cardiac arrest at his Yarck, Victoria country home, in August 2005.