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To: owner <techdiver@opal.com>
Subject: Rebreathers. Cis-Lunar Report.
From: Kevin Gurr - Cis-Lunar <100044.3401@co*.co*>
Date: 11 Jan 95 07:53:35 EST
Having read Steve Millards's report I would just like to clarify a few points.

Firstly, thanks to Steve for his unbiased opinion and I am pleased you had a
good time.

The 6 hour scrubber life is achievable when a Soda Lime derivitave is used
(SofnaLime etc.).

The cost of a single six hour scrubber will be approximatly L10. O2 cells range
from $40 to L65 dependant on manufacturer/supplier. Assuming that a heliox dive
is to be undertaken. A 2 liter 200 bar heliox cylinder fill costs approx. L1 (UK
Helium prices). 2 liters of O2 costs L0.35. Assuming this setup will last 6
hours then the dive costs L1.73 / hour, irrespective of depth. If you add to
this a few pence for batteries and spilt down an approximate L300 service price
into say 50 dives. This adds up to about L8.00. 1 hour at a depth of 70m on OC
trimix would probably cost in the region of L50 (including deco gases), and
that's without service costs.

The hydrophobic membrane is of the type developed for the space industry.

Service requirements for the rig will be based on operator use with a mandatory
maximum limt 
(if limited use logged) of possibly upto two years. The full service
requirements for any Closed Circuit Rebreather will be very similar as common
components will need to be replaced. The final price is yet to be defined, but
will basically consist of O rings, regulator servicing, disenfecting, a
calibration check, sensor replacement and batteries. Any damaged parts will also
be replaced.

The price tag of L8000 is not finite and will vary dependant on the options
purchased. Final prices and excat delivery timescales will be posted ASAP.

I hope this clears these small points up.

A full specification for the MK4/5 is not in publication yet, but will probably
find its' way onto the net when it is.

Thanks for your interest.


Kevin

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