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Sentinel off-board gas functionality



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Old 26th February 2008, 17:08   #11 (permalink)
Nad
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Re: Sentinel off-board gas functionality

Quote: (Originally Posted by Ilikerisk) View Original Post
My use of the word "ridiculous" was purely an aesthetic judgment. It's ugly. Really ugly.

On that subject, I respectfully submit that my opinion is as valuable as that of any other member. (On the technical aspects of the BOV, I gladly defer to those more experienced than I.)
Everything in the diving world is far too huge and also ugly. It is a kind of choice between functionality and ...? Boh.
The one you had a look at was a pre-production unit. This doesn't mean that the final one will be better...

Nad
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Old 26th February 2008, 18:55   #12 (permalink)
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Re: Sentinel off-board gas functionality

Quote: (Originally Posted by Nad) View Original Post
Ridiculous? Do you have better ideas on how to build a BOV or maybe you're aware of some information that the comunity don't know? So please you can share with us.
Or maybe you just vented out the first thing you had in mind?
Nad
I suggest that if a potential customer thinks its too big then in some quarters “its too big”

My response would be to explain the geometry, the design and WOB issues of the DMM. But in pure mechanical size it is still bigger than other alternatives.

Much easier than the other route, to explain why after this product was originally designed for a Royal Navy project, after trials it was rejected.
Because of size, weight, design or capability? All legitimate reasons for rejection.
Or for being ugly?
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Old 26th February 2008, 20:29   #13 (permalink)
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Re: Sentinel off-board gas functionality

Hi,

and you know that it was a Royal Navy project and has been rejected ? Do you also know that there is a military version of the Sentinel available ?

Are you member of the MI 5 ?

Cheers

Bertrand
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Old 26th February 2008, 21:33   #14 (permalink)
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Re: Sentinel off-board gas functionality

Quote: (Originally Posted by Nad) View Original Post
Everything in the diving world is far too huge and also ugly. It is a kind of choice between functionality and ...? Boh.
The one you had a look at was a pre-production unit. This doesn't mean that the final one will be better...

Nad
It would be nice if it is better in the full production model. Its the one aesthetic part of the device that I don't like...otherwise its a very attractive unit.

Well, ok, the black case is kind of ugly, but I can paint/print something on that.

I don't feel that its wrong of me, if I'm paying upwards of $10,000 for a rebreather, to want to look cool in it.
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Old 27th February 2008, 10:34   #15 (permalink)
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Re: Sentinel off-board gas functionality

Quote: (Originally Posted by Humuhumu) View Original Post
Hi,

and you know that it was a Royal Navy project and has been rejected ? Do you also know that there is a military version of the Sentinel available ?

Are you member of the MI 5 ?

Cheers

Bertrand
Bertrand.

Short answer Yes, Yes, Yes and No.

Look it is common knowledge.

Maybe not something you have seen on Rebreather World Forum before but there are lots of posts on specific rebreathers that could have been more informative but you won’t see further information on the forum for various reasons. The information is not in any way unavailable either.

Another fact for balance, is at the same time AP Diving (APD) also had a prototype product offered to the Navy for examinination and trial called the “Trojan” basically a mix of the Inspiration canister with the Evolution package. The interesting part (for me) was the Mil Spec electronic package.

This was designed by a 3rd party company specifically for the Royal Navy (MoD) The electronics were supplied "on loan" so to speak to APD by this company (I will not disclose) as an interesting type of joint venture, and have now been returned.

So in order to be fair and balanced I should have stated that both the Trojan and the Sentinel prototypes were rejected by the Royal Navy (Mod)

Another point (interesting to me) is we are seeing rejected military design being offered to the public. In the AQAP procedure system this would not happen however under this COTS system it appears to be.

Either way you are being asked to drop a considerable amount of money on a prototype, or put it another way.

We don’t need goats anymore, We now have sheep. Good luck.
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Old 27th February 2008, 13:30   #16 (permalink)
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Re: Sentinel off-board gas functionality

Quote: (Originally Posted by iain-hsm) View Original Post
this product was originally designed for a Royal Navy project, after trials it was rejected.
Because of size, weight, design or capability? All legitimate reasons for rejection.
Or for being ugly?

Ian your facts are wrong

It was the Ouroboros (not the sentinel) that was presented to the UK navy tender and boris only lost out because the navy felt that CCRB infrastructure too small to handle multi million pound contract

I dont give a flying f_ck how ugly my dive gear is - i care about its WOB reliability and performance.
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Last edited by Drmike : 27th February 2008 at 13:54.
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Old 27th February 2008, 13:37   #17 (permalink)
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Re: Sentinel off-board gas functionality

Quote: (Originally Posted by Drmike) View Original Post
Ian your facts are wrong

It was the Ouroboros (not the sentinel) that was presented to the UK navy tender and boris only lost out because the navy felt that CCRB infrastructure too small to handle multi million pound contract

I dont give a flying f_ck how ugly my dive gear is - i care about its WOB reliability and performance.
Hi Mike.
I didn't want to be so cruel.
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Old 27th February 2008, 13:47   #18 (permalink)
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Re: Sentinel off-board gas functionality

Quote: (Originally Posted by iain-hsm) View Original Post
Hi Mike.
I didn't want to be so cruel.
iain
I dont understand what you mean.

Perhaps you can explain.

You incorrectly suggested that Sentinel is a miliary reject - when it wasnt.

Now are you suggesting that not having large enough infrastructure at the time to be awarded large military order is something to be ashamed of?

As you likely well know when the military place large multi million pound purchase orders their potential vendours have to meet certain size, capacity, Infrastructure and other requirements. Its hardly surprising (or anything to be ashamed about) that at the time of the tender (CCRB having only just started operating) they were not able to fullfill that size/capacity requirement.

I note you do apear to have an axe to grind against CCRB.


final thought: Prism is 'military reject', Inspo is 'military reject', who gives a t0ss? Military have their specs and their requirements - failure to meet everyone of them doesnt automatically mean the unit is no good.
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Last edited by Drmike : 27th February 2008 at 13:52.
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Old 27th February 2008, 13:51   #19 (permalink)
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Re: Sentinel off-board gas functionality

Quote: (Originally Posted by Drmike) View Original Post
Ian your facts are wrong

It was the Ouroboros (not the sentinel) that was presented to the UK navy tender and boris only lost out because the navy felt that CCRB infrastructure too small to handle multi million pound contract

I dont give a flying f_ck how ugly my dive gear is - i care about its WOB reliability and performance.

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Old 27th February 2008, 13:53   #20 (permalink)
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Re: Sentinel off-board gas functionality

Quote: (Originally Posted by Ilikerisk) View Original Post
I don't feel that its wrong of me, if I'm paying upwards of $10,000 for a rebreather, to want to look cool in it.
Of course, any suggestion is appreciated...

Cheers

Nad
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