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Mil-type oxy setup

Tiger 74

Member
I am planning to go high (FL195) regularly 3-4hrs endurance x-countries. I wear an HGU-55 helmet when flying and want to use my MBU-20 mask to get the oxy.
Has anyone installed a mil-type auto diluter demand system in an RV?

There are plenty of new/recon units on Ebay, but what are the practicalities compared to a dedicated GA setup?
 
I'm guessing that LOX would be the biggest limiting factor, unless you can use a MIL setup with regular gas tanks.
 
What about OBOGS? Maybe a bit bulkier but no need to refill. I imagine its not the cheapest either. Just thoughts.
 
if you do some googling, there was a guy with a glider that had this setup, i believe he was in europe somewhere- had the full mask/helmet going on
 
Thanks for the replies.

There is more a question mark over the regulator setup. Has anyone seen an auto diluter demand type in a GA a/c?
 
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