[AR] Re: Peroxide sensor

  • From: "Monroe L. King Jr." <monroe@xxxxxxxxxxxxxxxxxx>
  • To: arocket@xxxxxxxxxxxxx
  • Date: Fri, 18 Dec 2015 18:55:20 -0700

Oh I agree with that and that's a big reason to use all the sensing you
can.
Ambient sensors are included.

I know a few tricks with cat paks if I can recall most of it from 30
years back.

Also I intend to sputter my own screens.

I'm not sure how relevant that all is because we wanted lots of cloud
coming from the dragster. We actually used a low percentage of it's full
output potential.

-------- Original Message --------
Subject: [AR] Re: Peroxide sensor
From: qbert@xxxxxxxxxxxxxxx
Date: Fri, December 18, 2015 5:38 pm
To: arocket@xxxxxxxxxxxxx


One thing your going to have to be prepared for, at least with using
silver as the catalyst, in my experience no two runs are exactly the
same. There is a little bit of an art in getting a clean run and with
silver, temperature, RH and even barometric pressure can play a role
in getting a good clean run.

Robert

At 04:14 PM 12/18/2015, you wrote:
I have figured out how to use the common sensors I've normally used
to measure combustion. I can have a small leak valve or orifice from
the combustion chamber (a controlled leak) I can cool that leak to a
temperature suitable for the use of the common sensors/analyzers
used for exhaust gas. This should give me what I want and allow me
to record that data along with the test firings data. > --------
Original Message -------- > Subject: [AR] Re: Peroxide sensor >
From: "Monroe L. King Jr." <monroe@xxxxxxxxxxxxxxxxxx> > Date: Fri,
December 18, 2015 2:02 pm > To: arocket@xxxxxxxxxxxxx > > > The
budget is a bit higher than average for this project. > > I do get
it that clear is good. > > Some people measure and some people
calculate. > > I am the former type. I also feel my way to
performance and without > measurements I can't feel enough. > > I
don't know how to measure clear. > > Video will help but that's not
enough. > > > -------- Original Message -------- > > Subject: [AR]
Re: Peroxide sensor > > From: qbert@xxxxxxxxxxxxxxx > > Date: Fri,
December 18, 2015 1:22 pm > > To: arocket@xxxxxxxxxxxxx > > > > > >
For us on a budget we simply used the exhaust colour to determine
if > > we were getting complete decomposition. For a monoprop, if
it's clear > > it almost a certainty that it's fully catalized. Any
thing else means > > something is amiss. > > > > I can demonstrate
this from a video of a peroxide powered motor bike. > >
https://youtu.be/tDLrWbvRyyI This is a wet start, quite typical, to
a > > good clean run > > > > > > Robert > > > > At 12:35 PM
12/18/2015, you wrote: > > > This may sound stupid but once upon a
time I was a chemist at > > > Radian Corp. We went to California to
do EPA work sampling steam > > > coming from the oil wells (they
inject steam to get the thick oil > > > to flow) Anyway we used big
fin/fan condensers to cool the steam > > > and used gas
chromatography to check for hydrocarbons in the > > > condensate.
condensing the exhaust might be a useful way to get the > > > data
I'm after. I'm not coming into this to play I need empirical > > >
data. Not ballpark results. This is likely too far but it
should > > > give you a sense of how serious I am about getting the
proper > > > data. > -------- Original Message -------- > Subject:
[AR] Re: > > > Peroxide sensor > From: "Henrik Schultz"
<henrik@xxxxxx> > Date: > > > Fri, December 18, 2015 12:14 pm > To:
arocket@xxxxxxxxxxxxx > > > > > > Just measure the temperature using
a thermocouple. If it is not > > > fully > decomposed the residual
boiling HTP will keep the > > > temperature way down. > I forgot the
actual number, but you should > > > be getting in the ballpark of >
600-700 degrees C when fully > > > decomposed. > > As someone else
also pointed out, inject your > > > gasoline or kerosene into > the
hot steam, and it will atomize and > > > auto-ignite nicely, double
your > Isp, and have good combustion > > > stability. > >
/Henrik > > ------ Original Message ------ > From: > > > "Monroe L.
King Jr." <monroe@xxxxxxxxxxxxxxxxxx> > To: "Arocket" > > >
<arocket@xxxxxxxxxxxxx> > Sent: 12/18/2015 10:53:46 AM >
Subject: > > > [AR] Peroxide sensor > > > Sensing combustion is a
bit difficult > > > but using peroxide it occurs to > >me it might
be more possible to > > > sense the catalyzation completeness
in > >an easier > > > way? > > > > Any thoughts on how that might
be accomplished? > >

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