FrogmanMuseum : Regulators La Spirotechnique

La Spirotechnique (France)
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La Spirotechnique known for the commercialisation of the AQUALUNG designed by Cousteau and Gagnan. Funded by Air Liquide in 1945.

Web site of 'La Spirotechnique' : http://www.aqualung.com

Related Book(s)


Info on the rebreather and on the CG45	Must have book about the 70 years of La Spirotechnique

20 10

La Spirotechnique has manufactured several series of xx/xx regulators

Single hose regulator 20/10

25 10

Models 25 10

25 10 with standard connection of the hose

©copyrights for this object are held by Collection Patrick G. & Franck G

50 10

Version 50 10 of the XX - XX serie

Marked 50 10

©copyrights for this object are held by Collection Patrick G. & Franck G

Alize

One of the smallest regulator ever made

Alizé version

©copyrights for this object are held by Collection Patrick G. & Franck G

Alize S

Improve version of the Alizé.

Has a S marked next to the Alizé

©copyrights for this object are held by Collection Patrick G. & Franck G

Two Alizé S regulators

©copyrights for this object are held by Dominique Breheret

Aquamatic

First single hose regulator from La Spirotechnique from 1958.

The second stage is made of plastic and has very simple first stage.

©copyrights for this object are held by Dominique Breheret

Aquilon

Aquilon regulator

Aquilon

Banc de Test

Regulator test bench for the regulators from La Spirotechnique. It can be used for the single hose regulators and twin hose regulators.

Picture taken in the Aquaplongée shop

©copyrights for this object are held by Bruno et Didier d'Aquaplongée http://www.aquaplongee.com

CG45

Simply the first COUSTEAU GAGNAN double hose regulator manufactured by La Spirotechnique in 1946.

There are at least four different name plates:

Large one with "La Spirotechnique SARL"
Small one with "La Spirotechnique SARL"
Small one with "La Spirotechnique SA"
Without a name plate (one theory is that they were made for the French Navy?)

CG45 with the SA plate used with a single tank

©copyrights for this object are held by David Dekker http://www.divinghelmet.nl

CG45 with a big name plate.

Scan of a manuel of a CG 45 with big nameplate

Click to enlarge the following document(s):

CG45 (image 1)

CG45 (image 2)

CG45 (image 3)

©copyrights for this object are held by Dominique Breheret

And a small present from Gerard Loridon

Click to enlarge the following document(s):

CG45 (image 1)

©copyrights for this object are held by Fond "Alfred Coste"

GC 45 with a Fernez mouth piece (bended chromed tube), twin cylinder and woden boxes

©copyrights for this object are held by Robert Jamard

Here is a CG45 with a small name plate and "La Spirotechnique SARL"

©copyrights for this object are held by David Dekker http://www.divinghelmet.nl

CG45 with the SA plate, this one was used with surface air supply

©copyrights for this object are held by Yoram Neri

Club

Club regulator very similar to the 50 10 type except for the first stage

with a club name tag

©copyrights for this object are held by Collection Patrick G. & Franck G

Explor

Explor model

With Explor marked on the second stage

©copyrights for this object are held by Collection Patrick G. & Franck G

Mentor

At the beginning of this century, the US Navy asked Aqualung to develop a modern double hose regulator for the training of the navy divers, something they can be train with before using a real rebreather.

Only a very small series a 125 Mentor have been made.

Very heavy 2,3 kg and well made

©copyrights for this object are held by Jean Christophe Deporter

Mistral

The direct successor of the CG45 appears in 1955, several versions have been made.

Model	Date
CG45	1946
Narghile	1956
Mistral	Avril 1955
Aquamatic	Avril 1958
Calypso	Mai 1962
Aquadiv	Mai 1962
Royal Mistral	1963

Most of the datation above is based on the adverts from the magazines l’Aventure Sous-Marine

In the number 19 of l’Aventure Sous-Marine (jan 1959), La Spirotechnique advertised that they have sold more than 100.000 Aqualung « Cousteau Gagnan ».

In the number 37 (mar 1962) more than 200.000 Aqualung «Cousteau Gagnan » have been sold.

In order to be able to date the regulators, three changes of address :