Maybe what I chould try is the grease on one side of the car and the mylar
or yarn on the other. That may afford some verification of results when
viewing the video.
JB
At 09:02 AM 7/12/99 -0400, John Beckett wrote:
>I see the big advantage to using the "dots" is that you can read it after
>the run. Wouldn't you need something a little more substantial than motor
>oil to keep it from running down the side? What about a very light grease?
>
>At 07:54 PM 7/11/99 -0400, Ed Van Scoy wrote:
>>Thomas E. Bryant wrote:
>>>
>>> John,
>>>
>>>> I have not tried the yarn, but it should work. I understand that mylar
>>> tape, (audio cassette) works well also. The streamliners use to apply
>>> some kind of ink dots that spread with the air flow over the car.
>>>
>>>An old trick (so old it isn't used much anymore) is to space "dots" of
>motor oil across panel to be studied and "read" the pattern of the oil
>trail after the run.
>>Ed
>>
>
>
|