1996 CCR 2000

1996 CCR 2000

us The CCR 2000 was designed by Boeing engineer Dan Wible from the USA. The rebreather had particularly modern features and was ahead of its time in many areas. Dan Wible is an inventor with an engineering background and a passion for SCUBA diving . He began diving at...
Cis-Lunar 1984

Cis-Lunar 1984

us Cis-Lunar has always had a special ring to it. When I started diving, the brand was completely unknown to me while Bill Stone, the founder of Cis Lunar, had been diving with the rebreather in caves for 5 years. The existence of rebreathers became known to me 16...
1964 Westinghouse Arawak

1964 Westinghouse Arawak

us The tethered diving rig of Sealab II OK, and now something completely different. One of the units used for deep diving in the 60’s is called the Tethered Arawak system. It is a pleasure to offer this information to my readers. The Arawak system is a...
Cryogenic rebreather theory

Cryogenic rebreather theory

back to ECCR USA Explanation of the energy balance by physicist Halbert Fischel CLOSED-CIRCUIT CRYOGENIC SCUBA Halbert Fischel Sub-Marine Systems Corporation A Sterling Electronics Company Chatsworth, California 913111970 ABSTRACT Rebreathed gas is partially routed...
Alan Krasberg KSR-5 ECCR

Alan Krasberg KSR-5 ECCR

World first ECCR with galvanic sensor ‘Scuba Lung’ Text: Jan Willem Bech 30-06-2022 picture thanks to Sharon Readey In the year I was born, 1961, a 27-year-old student in Massachusetts tested his revolutionary invention and found it successful. Alan...
Steam Machines SM1600

Steam Machines SM1600

Back to ‘The Monitor’ This page is dedicated to the Steam Machines SM1600 rebreather. The relative rare rebreather, a modified MK15, won’t be often seen in Europe. Stefan Besier did it again! He offered me this document and shows his great skill in...
Innerspace Porpoise Pack 1

Innerspace Porpoise Pack 1

us It is a pleasure to add these pages to my homepage. The Innerspace “Porpoise Pack 1” has undoubtedly much more historical and design criteria I could ever mention here. Nevertheless it is an incredibly high tech unit for it’s time. We are talking...
The history of Biomarine

The history of Biomarine

us Kevin Gurr wrote an article in 1998 about the origins of Biomarine Industry and gave me permission to publish his article on Therebreathersite. The article gives an insight into the history and development of one of the first electronic closed rebreathers. The...
The Marion Breathing Device

The Marion Breathing Device

us World’s first electronic controlled ECCR For some weeks now I’ve been looking forward to writing this article. It is not a daily event that I rediscover a new rebreather with very particular properties. The rediscovery of this rebreather is however a very...
Cryogenic rebreathers

Cryogenic rebreathers

Return to English oxygen rebreathers Liquid air & oxygen systems The 1960s created high expectations of people living in underwater habitats. Large-scale investments were made in new technology, including the development of cryogenic breathing systems. Extensive...
Biomarine CCR 1000

Biomarine CCR 1000

us A very early electronic closed circuit rebreather Recently I received fantastic pictures from a true legend. The Biomarine CCR 1000. To put things in perspective for those never heard about the unit, when you are 50 years old this unit was already produced for two...
Looking at the past, CCR1000

Looking at the past, CCR1000

us A very early electronic closed circuit rebreather The Biomarine CCR1000 is the civilian version of the Biomarine MK15. The Yellow sportsdiving rebreather was tested by NEDU in 1975. The unit itself was designed in 1969! Richard Larn wrote this article in Underwater...