WB Instruments

John Dammeyer johnd at autoartisans.com
Fri Jul 13 15:25:23 GMT 2001


Oops.  Missed that in the writeup I guess.

John Dammeyer


> -----Original Message-----
> From: owner-diy_efi at diy-efi.org 
> [mailto:owner-diy_efi at diy-efi.org] On Behalf Of John
> Sent: Friday, July 13, 2001 7:32 AM
> To: diy_efi at diy-efi.org
> Subject: RE: WB Instruments
> 
> 
> I don't understand.
> 
> The Winnepeg A/F also has 0-5 Volts output, so what exactly is the 
> advantage of the AFM?
> 
> John
> At 12:52 PM -0700 7/12/2001, John Dammeyer wrote:
> 
> >Hi,
> >
> >Yes,  we're considering this one even though it's twice the price of 
> >the one from Winnipeg.  RS232 output isn't nearly as 
> valuable as the 0V 
> >to 5V output that this one has.  We can attach that to one 
> of the free 
> >inputs of the Dyno and therefore log HP, Torque and AFM on the dyno 
> >run. Additionally,  making the Fuel Injection Computer work 
> with 0 to 
> >5V is a no brainer so it also helps for tuning.  That and a Numeric 
> >display makes it an attractive beast.  My tech is checking into 
> >calibration and what needs to be done on a regular basis to validate 
> >the results.  I'll keep you all posted.
> >
> >John Dammeyer
> >
> >
> >
> >
> >>  -----Original Message-----
> >>  From: owner-diy_efi at diy-efi.org  
> [mailto:owner-diy_efi at diy-efi.org] 
> >> On Behalf Of Jack
> >>  Sent: Thursday, July 12, 2001 11:45 AM
> >>  To: diy_efi at diy-efi.org
> >>  Subject: Re: WB Instruments
> >>
> >>
> >  > http://www.gothorsepower.com/     click on AFM-1 Air Fuel
> >>  Ratio Analyzer
> >>
> >>  I've got one and it's been working pretty good. The good  
> thing is 
> >> the 0-5v output, if you have data acq. The sensor is  going bad on 
> >> mine, but I think my friend left it on the car  and drove 
> around with 
> >> it on too much.
> >>
> >>  Anyone got any idea on checking accuracy on this thing?  Probably 
> >> calibration gas? but I'm not too familiar with  
> calibration gas, is 
> >> there archive on the list that I can look up?
> >>
> >>  Jack
> >>
> >>  ----- Original Message -----
> >>  From: "John Dammeyer" <johnd at autoartisans.com>
> >>  To: <diy_efi at diy-efi.org>
> >>  Sent: Tuesday, July 10, 2001 10:31 AM
> >>  Subject: WB Instruments
> >>
> >>
> >>  >
> >>  > I have some budget available to purchase a commercial WB O2  > 
> >> sensor+Instrument.  I'm not looking for a roll your own at 
>  this time
> >>  > sensor+but
> >>  > something that can be calibrated or returned to the factory for
> >>  > calibration.  I don't have $10,000 available but I 
> understand there
> >>  > are some for the $1K region.  Would someone post or 
> email me a list
> >>  > please.
> >>  >
> >>  > Thanks.
> >>  >
> >>  > John
> >>  >
> >>  >
> >>  
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> >>  >
> >>
> >>
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> >>
> >>
> >
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