I had the opportunity to cradle a fired and sectioned LEMD at NGC Burbank when
we kicked off MVAD. Swiss watch.
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
ken mason
Sent: Monday, March 23, 2020 7:07 PM
To: arocket@xxxxxxxxxxxxx
Subject: [AR] Re: Falcon 9 lifetime of 5 flights?
The LEM decent engine was/is an engineering triumph, with a 10/1 throttling
ratio made the XLR-99 blush.
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On Mon, Mar 23, 2020 at 4:03 PM Troy Prideaux <troy@xxxxxxxxxxxxxxxxxxxxx
<mailto:troy@xxxxxxxxxxxxxxxxxxxxx> > wrote:
I have recollections of some people here mentioning that pintle injectors
offered deeper throttling capability (with a given finite development budget)?
That’s probably going back to discussions from the early Masten startup days?
Troy
From: arocket-bounce@xxxxxxxxxxxxx <mailto:arocket-bounce@xxxxxxxxxxxxx>
[mailto:arocket-bounce@xxxxxxxxxxxxx ;<mailto:arocket-bounce@xxxxxxxxxxxxx> ] On
Behalf Of roxanna Mason
Sent: Tuesday, 24 March 2020 9:49 AM
To: arocket@xxxxxxxxxxxxx <mailto:arocket@xxxxxxxxxxxxx>
Subject: [AR] Re: Falcon 9 lifetime of 5 flights?
May have answered the question after jogging my aging memory:
In the late 90's at EMRTC New Mexico Tech I conducted firings for TRW with a
pindle at the 40K level with Tom as the project engineer and Maurice O Brian
test tech. Then in 2003 from my home in the Mojave desert I did loan Tom my 75K
LOx/Kero injector as a demonstrator for 6 month. Guess It stuck.
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On Mon, Mar 23, 2020 at 3:38 PM William Claybaugh <wclaybaugh2@xxxxxxxxx
<mailto:wclaybaugh2@xxxxxxxxx> > wrote:
Ken:
They use a pintle injector because when they designed it that was far cheaper
than a flat plate.
Bill
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