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PICList Thread
'fluid measurement'
1997\09\26@044300 by Kieran Sullivan

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There are already approved fuel flow sensors available that are suitable
for petrol. You might have a problem in that you probably need two sensors,
one to measure fuel going to the carb. and another measuring the amount of
unused fuel returning to the tank.

R.S. in the UK sell fuel flow sensors last time I looked....They cost about
60 UK pounds each!

Kieran


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From:   Pasi T Mustalahti[SMTP:spam_OUTptmustaTakeThisOuTspamUTU.FI]
Sent:   26 September 1997 08:23
To:     .....PICLISTKILLspamspam@spam@MITVMA.MIT.EDU
Subject:        ?: fluid measurement

There has been writings about accelerometers (let it continue !).
Now it would bee nice to see if there is some solution for this:

I want to measure how much petrol goes thru my carburator
I mean to device to measure MPG in cars and such. Tube should be about 6
mm and flux about 0..100 l/h. And remember, it is flammable when in
contact with oxygen !


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PTM, pasi.mustalahtispamKILLspamutu.fi, .....ptmustaKILLspamspam.....utu.fi, http://www.utu.fi/~ptmusta
Lab.ins. (mikrotuki) ATK-keskus/Mat.Luon.Tdk                    OH1HEK
Lab.engineer (PC support) Computer Center                       OI7234
Mail: Turun Yliopisto / Fysla, Vesilinnantie 5, 20014
Pt 02-3336669, FAX 02-3335632 (Pk 02-2387010, NMT 049-555577)
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Attachment converted: wonderland:WINMAIL.DAT (????/----) (000079ED)

1997\09\26@061024 by : Cassie Carstens

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Hi
What Kieran wrote about two sensors is true.

> There are already approved fuel flow sensors available that are suitable
> for petrol. You might have a problem in that you probably need two sensors,
> one to measure fuel going to the carb. and another measuring the amount of
> unused fuel returning to the tank.
>
> R.S. in the UK sell fuel flow sensors last time I looked....They cost about
> 60 UK pounds each!
>
> Kieran

However, way back I used a cheap electrical petrol pump to measure
flow towards the carb. These pumps are actually solenoids attached to
a diaphraghm (OOOO! spelling) that suck a preset amount of fuel in
and then a spring push it out another way UNTILL the solenoid
triggers a hall effect device and it sucks again. So each stroke is a
fixed volume.  You might even end up using this pump AND a flow sensor in the
return line. The
advantage of a pump is that it fills the float chamber before you
start the engine in situations where the car is not used for a long
period.

Stay well
Cassie

1997\09\26@094436 by Martin R. Green

picon face
Most newer cars use fuel flow sensors to assist in pollution control, so
the devices you need are out there, in plentiful supply.  Check an auto
junk yard for a recent model car you can cannibalize.


CIAO - Martin R. Green
EraseMEelimarspam_OUTspamTakeThisOuTbigfoot.com

----------
From:   Pasi T Mustalahti[SMTP:ptmustaspamspam_OUTUTU.FI]
Sent:   Friday, September 26, 1997 3:23 AM
To:     @spam@PICLISTKILLspamspammitvma.mit.edu
Subject:        ?: fluid measurement

There has been writings about accelerometers (let it continue !).
Now it would bee nice to see if there is some solution for this:

I want to measure how much petrol goes thru my carburator
I mean to device to measure MPG in cars and such. Tube should be about 6
mm and flux about 0..100 l/h. And remember, it is flammable when in
contact with oxygen !


--------------------------------------------------------------------------
PTM, KILLspampasi.mustalahtiKILLspamspamutu.fi, RemoveMEptmustaTakeThisOuTspamutu.fi, http://www.utu.fi/~ptmusta
Lab.ins. (mikrotuki) ATK-keskus/Mat.Luon.Tdk                    OH1HEK
Lab.engineer (PC support) Computer Center                       OI7234
Mail: Turun Yliopisto / Fysla, Vesilinnantie 5, 20014
Pt 02-3336669, FAX 02-3335632 (Pk 02-2387010, NMT 049-555577)
--------------------------------------------------------------------------

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