Oxygen Supply

[JCook]

I haven't been flying enough of this sim to notice the O2 gauge while on missions - but I'm assuming that O2 is depleted realistically during the game. Has anyone come up with a way to replicate that on the physical O2 panel gauge that you would have in your pit? Basically making the physical analog gauge replicate what is happening on the screen? Can Helios help with that?

[sobek]

I haven't been flying enough of this sim to notice the O2 gauge while on missions - but I'm assuming that O2 is depleted realistically during the game.

 

Slightly OT, but note that AFAIK typically the oxygen supply is provided by the engine compressor bleed air fed environment control system, the LOX-system just being a backup in case something goes wrong.

[KLR Rico]

Engine bleed air pressurizes the cockpit, and the oxygen panel controls the flow to the mask. As long as the supply is on and the mask is being worn, the oxygen would be getting depleted. I haven't noticed if it's modeled in the game...

[JCook]

I'm not that familiar with the O2 system in the A10, and page 155 in the DCS manual inicates there is a bleed air option that you mention. I was referring to the liquid Oxygen system - which I had thought was the primary source of air supply for the pilot. In any case if the Liquid Oxygen is being depleted during the mission my question is still do we have a way to reflect that on the Oxygen Quantity Indicator gauge in the pit?

 

As a side reference on page 25 of William Smallwood's "WartHog" book. It mentions that one of the pilots after venting the cockpit switched to 100% O2 to counter the effects of hypoxia. He later had to swich back to normal air (20.95% O2) since he didn't have enough liquid oxygen to complete the trip at 100% O2. I guess that is what got me thinking that the liquid O2 system was the primary.

[sobek]

As long as the supply is on and the mask is being worn, the oxygen would be getting depleted.

 

Not if the aircraft is equipped with an OBOGS, but i'm not sure if this is the case in the A-10C block modelled.

Edited January 8, 2012 by sobek

[Deadman]

O2 system seam to just run off the LOX tank as far as i can tell, I have no information if the O2 system has been updated to a O2 generator

Correction a quick google make its seam that the A-10C may have the OBOGS system http://www.af.mil/news/story.asp?id=123264880

http://www.google.com/url?sa=t&rct=j&q=on-board%20oxygen%20generating%20system%20a-10%20warthog&source=web&cd=2&ved=0CEUQFjAB&url=http%3A%2F%2Fwww.afrc.af.mil%2Fshared%2Fmedia%2Fdocument%2FAFD-110831-030.pdf&ei=7OoJT-u5Eurr0gHq8f3CAg&usg=AFQjCNE-aKXWvc3BEyl3Gr7Won60y7f2tw&cad=rja

Edited January 8, 2012 by Deadman

[sobek]

That document is from 1994, at some point the C hog got OBOGS, but i'm not sure with which suite (prior to 3.x that is modelled or not). Anyway, this is getting off topic.

 

Edit: Since the panel seems to be identical, i guess that OBOGS is not included in that suite.

Edited January 8, 2012 by sobek

[Deadman]

see corrections a quick Google was all itook

[mvsgas]

The version in DCS has LOX. The way to tell is that it has a lox gauge, this is removed if OBOGS is installed. Even at a 100% O2, the LOX will last for several hours. ECS ( on the A-10) has little to do with oxygen delivery and the main source of oxygen is the LOX system, the only emergency system is the bottle on the seat. The LOX converted pressurizes the system. Also, in RL, some bottle can't hold 5 liters, some will only hold 4.5 or 4 even right after servicing.

Edited January 8, 2012 by mvsgas

[shadowfax]

Unless I'm missing something (which is likely, since I only started running this sim yesterday) the oxygen doesn't seem to be modeled beyond depletion. I tested it by climbing to 30k and shutting off bleed air and the o2 system, which I believe should have made very bad things happen to the pilot, yet I kept flying as normal rather than blacking out. Am I missing a config setting somewhere?

[mvsgas]

Unless I'm missing something (which is likely, since I only started running this sim yesterday) the oxygen doesn't seem to be modeled beyond depletion. I tested it by climbing to 30k and shutting off bleed air and the o2 system, which I believe should have made very bad things happen to the pilot, yet I kept flying as normal rather than blacking out. Am I missing a config setting somewhere?

It depends how you shut down bleed air, there are different switches on the A-10 for bleed air and cockpit pressurization, not sure if they are related in the A-10

[sobek]

Am I missing a config setting somewhere?

 

There is a delay until black out occurs, it doesn't happen instantly.

[Duckling]

I haven't been flying enough of this sim to notice the O2 gauge while on missions - but I'm assuming that O2 is depleted realistically during the game. Has anyone come up with a way to replicate that on the physical O2 panel gauge that you would have in your pit? Basically making the physical analog gauge replicate what is happening on the screen? Can Helios help with that?

 

Hi JCock. There's thread on viperpits somewhere covering OXY panel calculation. How much in avarge that is consumed in regards of flighttime per altitude. Several years back in time but it must be in there somewhere. I tried to search but failed to locate it. Think it was RedDog but I might be wrong. It was a long time ago

 

With same type of calculation applied to the Hog you should be able to get a somewhat meaningful value to use for a gauge.

 

Cheers

Gus

Edited January 16, 2012 by Duckling

[Deadman]

An interesting read

http://warthognews.blogspot.com/2012/02/loxing-fleet-always-cold-day.html