vacuum units......

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Josh Colombo

vacuum units......

Post by Josh Colombo »

You guys with the Kg/mm vacuum.....I think we got some unit issues.......unless I'm not fully understanding everything.

kg/mm of vacuum cannot be converted to PSI.....it's not the same unit of measure. kg/mm*mm is the same unit of measure as PSI....but that wasn't what you guys used.

My thinking is that kg/mm is in relationship to either water or mecury....mmHG and mmH2O are units of pressure.

The only other thinking is it is just a straight up....how many mm does it take to put a certain kg force and move the fluid level in a manometer up a certain amount..........If so.....I have no freakin clue how to convert it to PSI.......

Did find a pretty cool page during my quest for some answers http://www.wsdot.wa.gov/Metrics/factors.htm

Josh

-----Original Message-----
From: Kam [mailto:kam@subarunutter.com]
Sent: Fri 4/12/2002 61 AM
To: BC-BFLegacyWorks@yahoogroups.com
Cc:
Subject: Re: [BC-BFLegacyWorks] boost & vacuum


From the top of head I idle at 500kg/mm vacuum

----- Original Message -----
From: Nissan-Subaru <mailto:nissans14@yahoo.com>
To: BC-BFLegacyWorks@yahoogroups.com
Sent: Friday, April 12, 2002 4:51 AM
Subject: [BC-BFLegacyWorks] boost & vacuum

While looking at the boost gauge at idle what should
the vacuum be at assuming the gauge is accurate. (for
an ej22t)

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legacycentral

vacuum units......

Post by legacycentral »

I'm pretty sure mine reads in kg/mm*mm, but i didn't want to go to
the character sheet and find the superscript to make it squared.

Dave

--- In BC-BFLegacyWorks@y..., "Josh Colombo" <josh@s...> wrote:
> You guys with the Kg/mm vacuum.....I think we got some unit
issues.......unless I'm not fully understanding everything.
>
> kg/mm of vacuum cannot be converted to PSI.....it's not the same
unit of measure. kg/mm*mm is the same unit of measure as PSI....but
that wasn't what you guys used.
>
> My thinking is that kg/mm is in relationship to either water or
mecury....mmHG and mmH2O are units of pressure.
>
> The only other thinking is it is just a straight up....how many mm
does it take to put a certain kg force and move the fluid level in a
manometer up a certain amount..........If so.....I have no freakin
clue how to convert it to PSI.......
>
> Did find a pretty cool page during my quest for some answers
http://www.wsdot.wa.gov/Metrics/factors.htm
>
> Josh
>
> -----Original Message-----
> From: Kam [mailto:kam@s...]
> Sent: Fri 4/12/2002 61 AM
> To: BC-BFLegacyWorks@y...
> Cc:
> Subject: Re: [BC-BFLegacyWorks] boost & vacuum
>
>
> From the top of head I idle at 500kg/mm vacuum
>
> ----- Original Message -----
> From: Nissan-Subaru <mailto:nissans14@y...>
> To: BC-BFLegacyWorks@y...
> Sent: Friday, April 12, 2002 4:51 AM
> Subject: [BC-BFLegacyWorks] boost & vacuum
>
> While looking at the boost gauge at idle what should
> the vacuum be at assuming the gauge is accurate. (for
> an ej22t)
>
> __________________________________________________
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>
>
>
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Kam

vacuum units......

Post by Kam »

I think it would help if a little assumption is used - obviously pressure is measured in units of force over area. It's not difficult to work out when someone is talking about kg/mm*mm but types kg/mm. However, it is more misleading if we happen to use mm instead of cm or m where we can be an order(s) of magnitude out which is far more confusing.

----- Original Message -----

From: legacycentral <mailto:legacycentral@yahoo.com>
To: BC-BFLegacyWorks@yahoogroups.com
Sent: Friday, April 12, 2002 2:21 PM
Subject: [BC-BFLegacyWorks] Re: vacuum units......

I'm pretty sure mine reads in kg/mm*mm, but i didn't want to go to
the character sheet and find the superscript to make it squared.

Dave

--- In BC-BFLegacyWorks@y..., "Josh Colombo" <josh@s...> wrote:
> You guys with the Kg/mm vacuum.....I think we got some unit
issues.......unless I'm not fully understanding everything.
>
> kg/mm of vacuum cannot be converted to PSI.....it's not the same
unit of measure. kg/mm*mm is the same unit of measure as PSI....but
that wasn't what you guys used.
>
> My thinking is that kg/mm is in relationship to either water or
mecury....mmHG and mmH2O are units of pressure.
>
> The only other thinking is it is just a straight up....how many mm
does it take to put a certain kg force and move the fluid level in a
manometer up a certain amount..........If so.....I have no freakin
clue how to convert it to PSI.......
>
> Did find a pretty cool page during my quest for some answers
http://www.wsdot.wa.gov/Metrics/factors.htm
>
> Josh
>
> -----Original Message-----
> From: Kam [mailto:kam@s...]
> Sent: Fri 4/12/2002 61 AM
> To: BC-BFLegacyWorks@y...
> Cc:
> Subject: Re: [BC-BFLegacyWorks] boost & vacuum
>
>
> From the top of head I idle at 500kg/mm vacuum
>
> ----- Original Message -----
> From: Nissan-Subaru <mailto:nissans14@y...>
> To: BC-BFLegacyWorks@y...
> Sent: Friday, April 12, 2002 4:51 AM
> Subject: [BC-BFLegacyWorks] boost & vacuum
>
> While looking at the boost gauge at idle what should
> the vacuum be at assuming the gauge is accurate. (for
> an ej22t)
>
> __________________________________________________
> Do You Yahoo!?
> Yahoo! Tax Center - online filing with TurboTax
> http://taxes.yahoo.com/
>
>
> To unsubscribe from this group, please send an email
to:
> BC-BFLegacyWorks-unsubscribe@e...
>
>
>
> Your use of Yahoo! Groups is subject to the Yahoo!
Terms of Service <http://docs.yahoo.com/info/terms/> .
>
>
>
>
> ADVERTISEMENT
> Click Here!
<http://rd.yahoo.com/M=194081.1994012.34 ... upweb/S=17
05064983:HM/A=1036972/R=0/*http://www.ediets.com/start.cfm?code=3466>

> <http://us.adserver.yahoo.com/l?
M=194081.1994012.3473453.1261774/D=egroupmail/S=1705064983:HM/A=103697
2/rand=510053320>
>
> To unsubscribe from this group, please send an email to:
> BC-BFLegacyWorks-unsubscribe@e...
>
>
>
> Your use of Yahoo! Groups is subject to the Yahoo! Terms of
Service <http://docs.yahoo.com/info/terms/> .



To unsubscribe from this group, please send an email to:
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Kam

vacuum units......

Post by Kam »

Actually a kg/mm*mm is not the same unit as PSI - although they both measure pressure.

----- Original Message -----
From: Josh <mailto:josh@surrealmirage.com> Colombo
To: BC-BFLegacyWorks@yahoogroups.com
Sent: Friday, April 12, 2002 1:58 PM
Subject: [BC-BFLegacyWorks] vacuum units......

You guys with the Kg/mm vacuum.....I think we got some unit issues.......unless I'm not fully understanding everything.

kg/mm of vacuum cannot be converted to PSI.....it's not the same unit of measure. kg/mm*mm is the same unit of measure as PSI....but that wasn't what you guys used.

My thinking is that kg/mm is in relationship to either water or mecury....mmHG and mmH2O are units of pressure.

The only other thinking is it is just a straight up....how many mm does it take to put a certain kg force and move the fluid level in a manometer up a certain amount..........If so.....I have no freakin clue how to convert it to PSI.......

Did find a pretty cool page during my quest for some answers http://www.wsdot.wa.gov/Metrics/factors.htm

Josh

-----Original Message-----
From: Kam [mailto:kam@subarunutter.com]
Sent: Fri 4/12/2002 61 AM
To: BC-BFLegacyWorks@yahoogroups.com
Cc:
Subject: Re: [BC-BFLegacyWorks] boost & vacuum


From the top of head I idle at 500kg/mm vacuum

----- Original Message -----
From: Nissan-Subaru <mailto:nissans14@yahoo.com>
To: BC-BFLegacyWorks@yahoogroups.com
Sent: Friday, April 12, 2002 4:51 AM
Subject: [BC-BFLegacyWorks] boost & vacuum

While looking at the boost gauge at idle what should
the vacuum be at assuming the gauge is accurate. (for
an ej22t)

__________________________________________________
Do You Yahoo!?
Yahoo! Tax Center - online filing with TurboTax
http://taxes.yahoo.com/


To unsubscribe from this group, please send an email to:
BC-BFLegacyWorks-unsubscribe@egroups.com



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ADVERTISEMENT
Click Here! <http://rd.yahoo.com/M=194081.1994012.34 ... ?code=3466>
<http://us.adserver.yahoo.com/l?M=194081 ... =510053320>

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