believe it or not.. we used a stainless steal box set up over some semi
sensitive components... and it worked well enough not to have any Flight
control Problems.... Long story but it was a dangerous thing before the
fix... Keith
----------
> From: John Beckett <johnbeck@blueridge.cc.nc.us>
> To: Keith Turk <kturk@ala.net>; Joseph Timney <TIMNEYJJ@sterlingdi.com>;
land-speed@autox.team.net
> Subject: Re: Tach's and playback options
> Date: Thursday, April 22, 1999 4:49 PM
>
> What type of shielding does one use? Cause it really would be nice to get
a
> pictue from inside.
>
> JB
>
>
> At 01:13 PM 4/22/99 -0500, Keith Turk wrote:
> >Electro Magnetic Interference (EMI) is something I have a little
experience
> >with from My Apache flying days... and it can wreak Havoc on all sorts
of
> >electrical things... with 121 black boxes it was always a problem
> >
> >we did a lot of shielding around certain components to keep it all from
> >ground interference.... interesting statement that it would effect
> >components on a race car... ... Less John is so kicked back in that car
he
> >can run a Radio and listen to his times on the course...
> >
> >Keith
> >
> >----------
> >> From: Joseph Timney <TIMNEYJJ@sterlingdi.com>
> >> To: kturk@ala.net; land-speed@autox.team.net
> >> Subject: Re: Tach's and playback options
> >> Date: Thursday, April 22, 1999 12:17 PM
> >>
> >> Keith,
> >> I have used a VCR recorder in three drag cars with good sucess.
> >You will get a little static in the picture. One system had a remote
camera
> >and we had to do some shielding. On one car,the picture told the
story...
> >no oil pressure after the burnout, no oil pressure when the chute came
out.
> >It really helped me build a better oil pan system. If you run a mag, I
> >think you might have a lot more interferance.
> >>
> >> >>> "Keith Turk" <kturk@ala.net> 04/22 2:39 PM >>>
> >> well as you know I have been looking for a tach for some time... I
really
> >> like John Becketts Tape recording thing.. and wanted some way to save
> >info
> >> for Bench racing sessions later...
> >>
> >> When Mayf and I were at the power fest the other day I bought a
9000RPM
> >> playback tach with all the features that I wanted and bought a play
back
> >> box so I could print it out...
> >>
> >> I still like someone's thought of a video camera in the car and I am
> >going
> >> to look into that a little more... the SCCA does require some special
> >> mounting set up so they have found a way to Isolate the vibrations
from
> >the
> >> car....
> >>
> >> maybe you guys are better at this then I am.... with the air ride all
the
> >> gages are readable... but ... I don't have time to do more then watch
the
> >> tach and idiot lights I put in....
> >>
> >> Keith
> >>
> >>
> >> Keith Turk
> >> Austin Healey 100 / Bugeye / Box Sprite / Bonneville Land Speed
Racer
> >> Camaro ( D Gas Altered )
> >>
> >
>
>
|