How long can someone stay underwater with a rebreather?

You can usually dive for 2-3 hours with even small cylinders (rebreathers typically have either two 2/3l cylinders or one 3/5l cylinder).

How deep can you dive with a rebreather?

Those already qualified for decompression diving can immediately qualify for rebreather decompression dives. Individual training agencies limit depth to 130 to 148 feet (40 or 45 m) respectively.

Do scuba divers use rebreathers?

Rebreather diving is underwater diving using diving rebreathers, a class of underwater breathing apparatus which recirculate the breathing gas exhaled by the diver after replacing the oxygen used and removing the carbon dioxide metabolic product.

Can Civilians Buy rebreathers?

There are many places where you can buy a certified used rebreather from a manufacturer. Some private sales offer the assurance that a rebreather has been recently serviced. If you buy used, check that you are not buying obsolete.

How much does rebreather cost?

We mentioned earlier, buying a rebreather is a large investment but it is important to understand that the spending is not over after your initial purchase. You will have annual expenses ranging from $300-$800 USD on cells, mushroom valves, and servicing that you cannot ignore.

How heavy is a rebreather?


Flight Weight (w/o cylinders) 18.25kg 16.39kg
Unit Height 57.5cm 51cm
Width x Depth 40 x 35cm 40 x 35cm
Summary Extended scrubber & cylinder duration. Perfect for deeper longer diving More compact than the Inspiration XPD. Extended scrubber

Do rebreathers make bubbles?

A rebreather is a scuba device that allows you to breathe your own air over and over again and produce no bubbles. To allow you to rebreathe your air, the device must do the following: Remove your exhaled carbon dioxide.

When should I learn rebreather?

Discover Rebreather – $150 The program is open to certified divers at least 18 years of age who have logged at least 15 dives. During the program, you will learn the differences between rebreathers and open circuit scuba, about the two basic rebreather types, and how rebreathers function.

Are rebreathers hard to use?

A rebreather failure can be deadly. Much of the design effort and much of the complexity of rebreathers goes into making that mixing function as accurate and reliable as possible. But it’s never going to reach the certainty of open circuit, where what you breathe is simply what went into the cylinder.

What rebreather do SEALs use?

Navy SEALs use two types of rebreathers. The LAR V Draeger runs on 100 percent oxygen, and the unit filters carbon dioxide from the exhaled air. The elimination of bubbles makes the Draeger ideal for clandestine amphibious operations, says the American Special Ops website.

Is it hard to use a rebreather?

What do you need to know about rebreather diving?

Rebreather diving also requires good understanding of diving physics and physiology. Understanding how your machine works and how it affects your dive profile and body while diving is crucial. You’ll have to complete a four / five-day training course before you are legally able to purchase a machine.

What is buddy breathing in scuba diving?

Buddy breathing is a rescue technique used in scuba diving “out of gas” emergencies, when two divers share one demand valve, alternately breathing from it.

When was the first scuba rebreather made?

The first commercially practical scuba rebreather was designed and built by the diving engineer Henry Fleuss in 1878, while working for Siebe Gorman in London.

What is a counter lung on a rebreather?

COUNTER LUNGS. The counter lungs on a rebreather are the bag like features on the breathing loop. These bags can either be over the shoulder or back mounted. With back mounted counter lungs, the chest area is clutter free. This location of the counter lungs makes exhalation easier but inhalation harder.