Ken,
The 7 Up, LR-101 that you and Bob fired is on display in my front lobby. 😉
Anthony J. Cesaroni
President/CEO
Cesaroni Technology/Cesaroni Aerospace
<http://www.cesaronitech.com/> http://www.cesaronitech.com/
(941) 360-3100 x101 Sarasota
(905) 887-2370 x222 Toronto
From: arocket-bounce@xxxxxxxxxxxxx <arocket-bounce@xxxxxxxxxxxxx> On Behalf Of
roxanna Mason
Sent: Friday, March 27, 2020 10:41 PM
To: arocket@xxxxxxxxxxxxx
Subject: [AR] Re: Swagelok and LOX
Yeah Rick, I can help you being as comfortable working with LOx as am with
kerosene or water, well over 50 years of experience
including the LR-101 Vernier rocket engine in which there are some YouTube
videos of a few of my firings from the 70's.
Much to discuss so probably best to talk of list.
Ken
On Fri, Mar 27, 2020 at 5:05 PM Rick Wills <willsrw@xxxxxxxxx
<mailto:willsrw@xxxxxxxxx> > wrote:
Hi
Has anyone on the list used Swagelok compression fittings in service with LOX
(3/4 or 1 in)? I’ve used AN (37 deg flare) and NPT fittings successfully for
LOX. NPT fittings are wrapped with PTFE tape. My entire LOX side on my test
stand is all AN expect for the NPT adapters used on the main LOX valve and LOX
load valve. Any LOX experience with any other brand of compression fittings
(Parker, etc). I’m looking at changing the stand plumbing and am considering
Swagelok. Check out our Facebook page
https://www.facebook.com/midwestpropulsiongroup to see the stand in action. ;
The Army missile spec forbids NPT fittings. Most likely reason is they could
vibrate loose. I’ve seem amateur liquid systems using NPT fittings
successfully. Any advice would be appreciated. On my first test stand, I
welded the NPT fittings together. It worked but looked pretty bad. An A&P I
know suggested safety wiring the NPTs so they would come loose. That is a lot
of work.
I’m lucky. My outbuilding is also my rocket workshop. When I want to escape I
run out back for a few hours. Thanks and everyone take care.
Be Safe,
Rick Wills
Huber Heights, Ohio