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  #1  
Old 03-15-2022, 12:08 PM
wcalvert's Avatar
wcalvert wcalvert is online now
 
Join Date: Jan 2019
Location: Anacortes Wa
Posts: 477
Default DIY Oxygen

For those of you considering an O2 system and are interested in a DIY version, here is my current setup. I'm sure this has been done before, if so then another take on a working system.

Parts:

Cylinder, Alum. Type D, CGA870, 1502ED (1) New $90

Cannula, Salter Labs 16SOFT-4 4 Foot $10 for 5

Drive CHAD® Evolution™ Electronic Oxygen Conserver (1) $200

LINE2design Oxygen Cylinder Sleeve Bag $25

The Conserver is the heart of the system and claims to increase the duration of a bottle by 5X. The device can be set for 1 to 6 liter "equivalent" flow and seems to work well in the plane. Notice that the company sent a "Motion" version which adjusts for user movement, not something you need in the plane, but easily bypassed.

It's mounted on the aft side of the flap drive support in the cargo area with two velcro straps. Bit of a challenge to reach in flight but doesn't flow O2 unless you're breathing, so no foul starting the flight with it turned on.

I also added a finger SO2 meter (find those anywhere for $35) and a CO detector:

AV8 Inspector AV8-CO-01 Carbon Monoxide Monitor for Aviation $110

The local dive shop with refill the bottle for $25 and the welding supply will likely do it for a few bucks less (the dive shop was able to fill the CGA870 fitting just fine).

Considering the cost of off the shelf units from other suppliers, this is a reasonably priced system that works well.

Cheers
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RV-7 Tipper
Bill (Wild) VA-165 '90-'93
Anacortes, Wa

First Flight 7/17/2021!! 200 hours 6/22
- Been there, Donated 2022
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  #2  
Old 03-15-2022, 12:26 PM
Canadian_JOY Canadian_JOY is offline
 
Join Date: Aug 2007
Location: Ontario, Canada
Posts: 2,576
Default

Thanks for posting this info. Would you mind adding the sources where you found these parts at those prices? This additional data would be most helpful.

Thanks!
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  #3  
Old 03-15-2022, 01:24 PM
DanNiendorff DanNiendorff is offline
 
Join Date: May 2019
Location: Knoxville, TN
Posts: 127
Default

That looks great. Well done.
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  #4  
Old 03-15-2022, 02:10 PM
chaskuss chaskuss is offline
 
Join Date: Mar 2005
Location: SE Florida
Posts: 1,600
Default Easy to find

Quote:
Originally Posted by Canadian_JOY View Post
Thanks for posting this info. Would you mind adding the sources where you found these parts at those prices? This additional data would be most helpful.

Thanks!
https://www.ebay.com/itm/284087401431

https://www.ebay.com/itm/284285143357

https://tinyurl.com/2a79w8uc
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  #5  
Old 03-15-2022, 02:22 PM
chaskuss chaskuss is offline
 
Join Date: Mar 2005
Location: SE Florida
Posts: 1,600
Default

Quote:
Originally Posted by wcalvert View Post
snipped
Parts:

Cylinder, Alum. Type D, CGA870, 1502ED (1) New $90

Cannula, Salter Labs 16SOFT-4 4 Foot $10 for 5

Drive CHAD® Evolution™ Electronic Oxygen Conserver (1) $200

LINE2design Oxygen Cylinder Sleeve Bag $25
snipped
The local dive shop with refill the bottle for $25 and the welding supply will likely do it for a few bucks less (the dive shop was able to fill the CGA870 fitting just fine).snipped
Cheers
Bill,
Great post. I will have to investigate that Conserver. I was lucky to be given two similar tanks [full] a regulator and 3 cannula from a friend who happens to be an EMT Lieutenant. I found a nice used bag on eBay for cheap.

I also have my tanks refilled at the local dive shop. They also re-certify the tanks when needed.
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  #6  
Old 03-15-2022, 02:35 PM
chaskuss chaskuss is offline
 
Join Date: Mar 2005
Location: SE Florida
Posts: 1,600
Default

Quote:
Originally Posted by wcalvert View Post
snipped
I also added a finger SO2 meter (find those anywhere for $35) and a CO detector:
snipped
Cheers
Bill,
Do did you do any research regarding different brands of the O2 monitors? Any recommendations?

Charlie
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  #7  
Old 03-15-2022, 04:02 PM
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rjcthree rjcthree is offline
 
Join Date: Jan 2007
Location: Bay Village, OH
Posts: 1,031
Default Single feed or two

Is this set up for a single person feed or two?
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RV-9A N183RC/90432: tip-up, O320H2, Ellison, Dynon D180, CPi2, Sen GA, at KLPR
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  #8  
Old 03-15-2022, 04:23 PM
chaskuss chaskuss is offline
 
Join Date: Mar 2005
Location: SE Florida
Posts: 1,600
Default

Quote:
Originally Posted by rjcthree View Post
Is this set up for a single person feed or two?
Rick,
Both the standard regulator and the Conserver Bill mentions have one output nipple. You can simply add a plastic or metal Y fitting to split the feed for two people. I've done this and had no issues. I imagine that they also make dual output regulators. Then you have to cap one off when flying solo.
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  #9  
Old 03-15-2022, 04:57 PM
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wcalvert wcalvert is online now
 
Join Date: Jan 2019
Location: Anacortes Wa
Posts: 477
Default

Ok, lots of questions ... here goes.

Sources as of Feb 2022:

Cylinder, Alum. Type D, CGA870, 1502ED (1) New $90 https://www.tri-medinc.com

Cannula, Salter Labs 16SOFT-4 4 Foot $10 for 5 https://www.tri-medinc.com

Drive CHAD® Evolution™ Electronic Oxygen Conserver (1) $200 https://dmesupplyusa.com/

LINE2design Oxygen Cylinder Sleeve Bag $25 Amazon online

AV8 Inspector AV8-CO-01 Carbon Monoxide Monitor for Aviation https://sensorcon-sensing-products-b...myshopify.com/

finger SO2 meter Amazon online (note: I find that the $35 ones are fair at best, some work, some not as well. Nonin makes a military grade version that is significantly more $ but is a great unit)

This unit feeds one canula. Splitting the feed on a demand system may or may not work. Since this equipment is designed for ambulatory therapy, a single patient is the intended use.

Also note that the tank and regulator are items that typically require a prescription to buy (new). Some dealers seem to follow that guidance, others do not. If you're asked for a script, simply tell them that it is for "emergency supplemental oxygen aboard an aircraft" and send them a copy of your airman cert... or talk to your AME
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RV-7 Tipper
Bill (Wild) VA-165 '90-'93
Anacortes, Wa

First Flight 7/17/2021!! 200 hours 6/22
- Been there, Donated 2022

Last edited by wcalvert : 03-15-2022 at 06:48 PM. Reason: Spell check
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  #10  
Old 03-15-2022, 05:02 PM
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wcalvert wcalvert is online now
 
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Default

User manual for the conserver available here:

https://www.rehabmart.com/pdfs/oxyge...ers_manual.pdf
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Bill (Wild) VA-165 '90-'93
Anacortes, Wa

First Flight 7/17/2021!! 200 hours 6/22
- Been there, Donated 2022
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