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Re: Tach's and playback options

To: "Keith Turk" <kturk@ala.net>, "Joseph Timney" <TIMNEYJJ@sterlingdi.com>,
Subject: Re: Tach's and playback options
From: John Beckett <johnbeck@blueridge.cc.nc.us>
Date: Thu, 22 Apr 1999 17:49:48 -0400
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 )
>> 
>



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