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Re: [SYTY] G tech pro



Title:
The GTECH or the VERICOM are just accelerometers that measure "G" forces and time .  4 WD has no bearing on the results .  The VERICOM has to be calibrated before the run , and the run should be over level terrain .  In addition it should be mounted level horizontally and longitudinally . The VERICOM is a much more accurate system and they are really good for a comparism after installing mods . Different atmospheric conditions can cause large variations in performance .  I have run the VERICOM at the dragstrip and the timing is about .2 longer due to rollout than the dragstrip timer but the mph is nearly the same .
 
 Hal
----- Original Message -----
From: Rob Berger
Sent: Friday, October 11, 2002 8:25 PM
Subject: RE: [SYTY] G tech pro

I know there was some dispute about the accuracy of the "first" generation of the GTECH......from what I remember, it didn't work well with our trucks because of the AWD - don't quote me on that, I'm tired right now or I would look it up.

From the Quicktime movie, it looks like the data logged can be downloaded into a PC and anylized - It would be nice of someone had access to a demo to give their thoughts on it - other than it looks cool.
 
-Rob Berger
Berger's Laser Services
14633 W. Marcus Dr.
Surprise, AZ  85374
623-975-4258




-----Original Message-----
From: owner-syty@syty.org [
mailto:owner-syty@syty.org]On Behalf Of Hump
Sent: Friday, October 11, 2002 1:37 PM
To: Rick 'Opie'; syty@syty.org
Subject: Re: [SYTY] G tech pro


YES OPIE  YOU"VE got it right .  The same principles were used for INS (
Inertial Navigation Systems ) in airplanes , ships , etc for many years .

HAL

----- Original Message -----
From: "Rick 'Opie'" <opie@sportmachines.com>
To: <syty@syty.org>
Sent: Friday, October 11, 2002 3:31 PM
Subject: Re: [SYTY] G tech pro


> Well, you probably have to program in what your gear ratios are ... then
> it's just a mater of mathematics.
>
> Using an accelerometer, you find out the rate of acceleration of the
> vehicle.  Calculate the area under the curve (integration) of the
> acceleration, and you get Speed. Take the speed and apply the gear ratios,
> and you get RPM.  Calculate the area under the curve (integration) of the
> speed and you get distance. This is how they can do 1/4 mile timings using
> just an accelerometer.
>
> It's all simple mathematics. ... well, not simple ... it is advanced
> calculus.
>
> Cheers,
>
> Rick "Opie" Waller
> Chicagoland.
>
>
> ----- Original Message -----
> From: "Zsolt Szokol" <Zsolt.Szokol@Sun.COM>
> To: <syty@syty.org>; <targue@SMUusa.com>
> Sent: Friday, October 11, 2002 3:21 AM
> Subject: Re: [SYTY] G tech pro
>
>
> > It's $250 right? I don't know. Accurate RPM measurement from the
cigarette
> > lighter!? Sorry, but I've to take this with a bit of salt.
> >
> > Anyway nice unit.
> >
> > Peace,
> > Falco
> > Sy #2613
> >
http://www.tragacs.com
> >
> >
> >
> > >X-Authentication-Warning: syty.org: mail owned process doing -bs
> > >X-Authentication-Warning: syty.org: majordomo set sender to
> owner-syty@syty.org
> > using -f
> > >From: "Tom Argue" <targue@SMUusa.com>
> > >To: <syty@syty.org>
> > >Subject: [SYTY] G tech pro
> > >MIME-Version: 1.0
> > >Content-Transfer-Encoding: 7bit
> > >X-Priority: 3 (Normal)
> > >X-MSMail-Priority: Normal
> > >Importance: Normal
> > >X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4133.2400
> > >X-Loop-Detect: 1
> > >X-Virus-Scanned: by AMaViS perl-11
> > >
> > >Hi Gang,
> > >
> > >Check out the new G-tech www.gtechpro.com
> > >This thing is pretty awesome.
> > >
> > >Let  me know if anyone is interested.
> > >
> > >Tom Argue
> > >See 2872
> > >The Red One
> >
>