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Posted

Have a 1980 M20K 231. I can find/purchase the standard oxygen bottle that is normally mounted in the fuselage and just had the system pressure tested to make sure it's viable, during the recent annual at Maxwell. Challenge is that still gives me no pressure regulator for the bottle. Any recommendations? I have not been able to find one online at the salvage yards. As infrequently as I use O2, I don't have any interest in investing thousands of dollars. Yes, I have a portable unit however when flying alone...most of the time...unless I rotate with it in place and ready to use (on my body etc.) it's extremely inconvenient messing with it in flight especially because right now my airplane does NOT have an auto pilot (still waiting for Dynon certified). 

Posted

When I purchased it, (Florida airplane....never do that again...). the shop said the tank was very old and I told them to just yank it. Not knowing any better, he took the regulator with it. That was four years ago. I have since "toyed" with adding it back in and Maxwell verified the system itself is just fine and hold pressure. Stupid mistake on my part. I see used tanks online for $700 and I know I'd have to have them static certified but that doesn't do any good without the regulator. I had no idea my decision was a bad one nor did I know the shop took the regulator with the tank. I can't call them four years later....

Posted (edited)

Have you tried C&L Aero  530-223-0667  https://www.c-l-aero.com/

The (new to me) shop I used for my Annual sent my tank and regulator to a shop they had used for years.  They came back with a quote that the mechanic knew was bogus and told them to send everything back.  Based on a lot of different comments (a lot from here), C&L came up as the go-to place.

And I thought I had the name of the company that bought Scott that is operating in FL.  If I find it I'll post it.  (I'm assuming your regulator was from Scott.)

ADDED: Found it...  Aerox Aviation Oxygen Systems   239-405-6117   https://www.aerox.com/repair-station-and-support/

 

Edited by PeteMc
Posted
52 minutes ago, N201MKTurbo said:

I have one. Not sure how good it is.

Unless it has major physical damage, I think all the internal parts are available that it could be rebuilt.

 

Posted
Unless it has major physical damage, I think all the internal parts are available that it could be rebuilt.
 

Only the first stage is rebuild able, the 2nd stage, which is the altitude compensating stage, is limited to a passing a functional test.


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Posted
10 minutes ago, kortopates said:

Only the first stage is rebuild able, the 2nd stage, which is the altitude compensating stage, is limited to a passing a functional test.

I don't remember that being brought up as a potential issue when I sent mine in.  Why can't the altitude compensating stage be rebuilt, calibrated or whatever? 

The Scott patents/designs are basically still around now through Aerox.  So parts shouldn't be an issue, unless they stopped making them. 

 

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