[DeTomaso] Air to engine discussion

Ken Green kenn_green at yahoo.com
Tue Dec 9 12:35:02 EST 2014 

I looked at some boundary layer articles last night, one article used a pitot tube array to measure air velocity and showed the boundary layer not very thick at high speed and the air velocity increases quickly in the boundary layer, so you really don't need to escape the entire layer to benefit:
http://www.consultkeithyoung.com/content/calculating-boundary-layer-thickness-choose-pitot-tube-height-f1-car-using-theory-and-pitot
  Has anyone tried using a pitot tube to measure the relative air velocity?
Ken
      From: John Taphorn <jtaphorn at kingwoodcable.com>
 To: Will Kooiman <will.kooiman at gmail.com>; Ed Mendez <edducati at mac.com>; Matt Wells <nwpantera at gmail.com> 
Cc: "detomaso at poca.com" <detomaso at poca.com> 
 Sent: Tuesday, December 9, 2014 5:36 AM
 Subject: Re: [DeTomaso] Air to engine discussion
   
Does the video dispel the notion that there is poor airflow along the 
side of the car?  It appears so to me.

If so, that seems pretty noteworthy as many on this forum have 
vigorously advocated that air flow along the panels was poor for quite a 
while.

Another Pantera myth??

JT


On 12/9/2014 5:03 AM, Will Kooiman wrote:
> I like that video.  I remember watching it a while back.
>
> I¹m surprised by the yarn going up.  I noticed that it was straight back
> by the fake vents, though.
>
> On 12/9/14, 1:05 AM, "Ed Mendez" <edducati at mac.com> wrote:
>
>> That is cool Matt,
>>
>> I shared it on the POCA Facebook page.
>>
>> Thanks,
>>
>> Ed
>>
>>
>>> On Dec 8, 2014, at 19:52, Matt Wells <nwpantera at gmail.com> wrote:
>>>
>>>    A while back I messed around with some yarn and my gopro just to see.
>>>    I don't know if this helps figure anything out short of just trying
>>> it.
>>>    There were some tendencies I saw with the tufts going upwards
>>>    slightlyA
>>>    but no vacuum really noticed. This video is shot between 0-120mph.
>>>    It was a liitle boring so I added tunes and wrote some corny stuff
>>>    which makes little sense now.
>>>    Might be enlightening and/or entertaining for some.
>>>    Matt
>>>    3584
>>>    [1]https://www.youtube.com/watch?v=3AaYJ3pkvR0
>>>    ----- Original Message -----
>>>    From: "David" <[2]adin at frontier.net>
>>>    To: <[3]detomaso at poca.com>
>>>    Sent: Sunday, December 07, 2014 8:11 PM
>>>    Subject: [DeTomaso] New engine.
>>>> Two comments here about getting air to the engine:>
>>>> I have documented a 50 degree difference in air temps between the
>>>    airfilter
>>>> area and the window area.A  Something needs to be done.>
>>>> My tuft tests (admittedly at legal speeds)A  did NOT show a boundary
>>>    layer at
>>>> the quarter window.A  Do things change at speed?A  (stay tuned!)>
>>>>
>>>> David
>>> References
>>>
>>>    1. https://www.youtube.com/watch?v=3AaYJ3pkvR0
>>>    2. mailto:adin at frontier.net
>>>    3. mailto:detomaso at poca.com
>>> _______________________________________________
>>>
>>> Detomaso Forum Managed by POCA
>>>
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-------------- next part --------------
   I looked at some boundary layer articles last night, one article used a
   pitot tube array to measure air velocity and showed the boundary
   layer not very thick at high speed and the air velocity increases
   quickly in the boundary layer, so you really don't need to escape the
   entire layer to benefit:
   [1]http://www.consultkeithyoung.com/content/calculating-boundary-layer-
   thickness-choose-pitot-tube-height-f1-car-using-theory-and-pitot
     Has anyone tried using a pitot tube to measure the relative
   air velocity?
   Ken
     __________________________________________________________________

   From: John Taphorn <jtaphorn at kingwoodcable.com>
   To: Will Kooiman <will.kooiman at gmail.com>; Ed Mendez
   <edducati at mac.com>; Matt Wells <nwpantera at gmail.com>
   Cc: "detomaso at poca.com" <detomaso at poca.com>
   Sent: Tuesday, December 9, 2014 5:36 AM
   Subject: Re: [DeTomaso] Air to engine discussion
   Does the video dispel the notion that there is poor airflow along the
   side of the car?  It appears so to me.
   If so, that seems pretty noteworthy as many on this forum have
   vigorously advocated that air flow along the panels was poor for quite
   a
   while.
   Another Pantera myth??
   JT
   On 12/9/2014 5:03 AM, Will Kooiman wrote:
   > I like that video.  I remember watching it a while back.
   >
   > IA^1m surprised by the yarn going up.  I noticed that it was straight
   back
   > by the fake vents, though.
   >
   > On 12/9/14, 1:05 AM, "Ed Mendez" <[2]edducati at mac.com> wrote:
   >
   >> That is cool Matt,
   >>
   >> I shared it on the POCA Facebook page.
   >>
   >> Thanks,
   >>
   >> Ed
   >>
   >>
   >>> On Dec 8, 2014, at 19:52, Matt Wells <[3]nwpantera at gmail.com>
   wrote:
   >>>
   >>>    A while back I messed around with some yarn and my gopro just to
   see.
   >>>    I don't know if this helps figure anything out short of just
   trying
   >>> it.
   >>>    There were some tendencies I saw with the tufts going upwards
   >>>    slightlyA
   >>>    but no vacuum really noticed. This video is shot between
   0-120mph.
   >>>    It was a liitle boring so I added tunes and wrote some corny
   stuff
   >>>    which makes little sense now.
   >>>    Might be enlightening and/or entertaining for some.
   >>>    Matt
   >>>    3584
   >>>    [1][4]https://www.youtube.com/watch?v=3AaYJ3pkvR0
   >>>    ----- Original Message -----
   >>>    From: "David" <[2][5]adin at frontier.net>
   >>>    To: <[3][6]detomaso at poca.com>
   >>>    Sent: Sunday, December 07, 2014 8:11 PM
   >>>    Subject: [DeTomaso] New engine.
   >>>> Two comments here about getting air to the engine:>
   >>>> I have documented a 50 degree difference in air temps between the
   >>>    airfilter
   >>>> area and the window area.A  Something needs to be done.>
   >>>> My tuft tests (admittedly at legal speeds)A  did NOT show a
   boundary
   >>>    layer at
   >>>> the quarter window.A  Do things change at speed?A  (stay tuned!)>
   >>>>
   >>>> David
   >>> References
   >>>
   >>>    1. [7]https://www.youtube.com/watch?v=3AaYJ3pkvR0
   >>>    2. mailto:[8]adin at frontier.net
   >>>    3. mailto:[9]detomaso at poca.com
   >>> _______________________________________________
   >>>
   >>> Detomaso Forum Managed by POCA
   >>>
   >>> DeTomaso mailing list
   >>> [10]DeTomaso at poca.com
   >>> [11]http://poca.com/mailman/listinfo/detomaso_poca.com
   >>
   >> _______________________________________________
   >>
   >> Detomaso Forum Managed by POCA
   >>
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   >> [12]DeTomaso at poca.com
   >> [13]http://poca.com/mailman/listinfo/detomaso_poca.com
   >
   >
   > _______________________________________________
   >
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   >
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   > [14]DeTomaso at poca.com
   > [15]http://poca.com/mailman/listinfo/detomaso_poca.com
   >
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References

   1. http://www.consultkeithyoung.com/content/calculating-boundary-layer-thickness-choose-pitot-tube-height-f1-car-using-theory-and-pitot
   2. mailto:edducati at mac.com
   3. mailto:nwpantera at gmail.com
   4. https://www.youtube.com/watch?v=3AaYJ3pkvR0
   5. mailto:adin at frontier.net
   6. mailto:detomaso at poca.com
   7. https://www.youtube.com/watch?v=3AaYJ3pkvR0
   8. mailto:adin at frontier.net
   9. mailto:detomaso at poca.com
  10. mailto:DeTomaso at poca.com
  11. http://poca.com/mailman/listinfo/detomaso_poca.com
  12. mailto:DeTomaso at poca.com
  13. http://poca.com/mailman/listinfo/detomaso_poca.com
  14. mailto:DeTomaso at poca.com
  15. http://poca.com/mailman/listinfo/detomaso_poca.com
  16. mailto:DeTomaso at poca.com
  17. http://poca.com/mailman/listinfo/detomaso_poca.com

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