[DeTomaso] determine if JFFR scoops are effective

[Himes, Terry (397C)]

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On 11/22/17, 9:25 AM, "DeTomaso on behalf of Paul Timko" <detomaso-bounces at server.detomasolist.com on behalf of thedrol at pobox.com> wrote:

    I always thought driving a Pantera was a cure for depression.
    
    Paul
    #9270
    
    On 11/22/2017 8:54 AM, Stephen Nelson wrote:
    > Good morning Joseph.  When I was doing my rear-window flow testing I used a pressure bomb as my "static" pressure.  I wrapped the bomb in towels, put it in a cooler, which I then put in the trunk.  At that point I could look at a relative pressure, always knowing that any changes as the car moved would be compared to the reading when the car was standing still.  And yes, I thought about using the pressure in the car as my reference, but I am pretty sure the inside of the car pressurizes as we go down the road.  Or, perhaps it depresses - don't know.
    > 
    > Stephen
    > 
    > -----Original Message-----
    > From: DeTomaso [mailto:detomaso-bounces at server.detomasolist.com] On Behalf Of Joseph F. Byrd, Jr.
    > Sent: Wednesday, November 22, 2017 5:01 AM
    > To: detomaso at server.detomasolist.com
    > Subject: [DeTomaso] determine if JFFR scoops are effective
    > 
    >  From the K Busch discussion, a side discussion was the JFFR scoops.
    > 
    > What would be the measurements needed to determine if those scoops are effective.
    > 
    > One of my thoughts would be to use a manometer (digital) insert the sensing side tubing into the scoop until it is at the air filter.  The location of the reference tubing then becomes a concern.  I have two thoughts.
    > First is to reference the space where a normal air filter would be getting its air.  Given the pressure at the rear window, it would be a measurement of actual benefit,
    > the second thought is to use a pitot in "clean air" and use the static port.  This would be more indicative of the benefit as if on a stationary dyno
    > 
    > ANY thoughts?
    > 
    > -----Original Message-----
    > From: DeTomaso [mailto:detomaso-bounces at server.detomasolist.com] On Behalf Of Joseph F. Byrd, Jr.
    > Sent: Monday, November 20, 2017 12:09 PM
    > To: detomaso at server.detomasolist.com
    > Subject: Re: [DeTomaso] Kurt Busch Pantera
    > 
    > Here are more ramblings of My troubled mind!
    > 
    > I took a simple Bernoulli conversion approach to get some concept of the magnitudes that are being dealt with by the side scoops, definitely not a true aerodynamics solution.
    > 
    > 
    > On Sun, Nov 19, 2017 at 6:49 PM, JFFR <pantera at vtc.net> wrote:
    > 
    >> The side scoops that I am using are 1.5 inches at the widest point and
    >> are feeding four inch hoses into the sealed air box. My fuel injection
    >> system can flow about 1100 cfm at full throttle. I don't know how to
    >> do the calculations, but I am sure that the scoops will supply more
    >> air than the engine can use. My engine is 388 cubic inches and and
    >> produces full power at about 6300 rpm. The rev limiter is set at 6550
    >> rpm and in first gear I need to up shift into second gear pretty
    >> quickly to keep from hitting the rev limiter. I have only had the car
    >> up to about 140 mph, but it has never run out of power and was still
    >> pulling hard at that speed. Public roads can limit how fast you can push a car and safety is always my concern.
    >>
    >> I just talked to the owner of the Inde Motorsports Ranch in Willcox
    >> Arizona today. If any members of the club want to come here, we can
    >> use the track to test this air box set up on my car. The straight is
    >> 2200 feet long and I can usually get my Pantera up to 120 mph before
    >> having to brake for a sweeping right hand turn. The track use is free
    >> because I work there and it is certainly nice to be able to do this
    >> without having to worry about breaking any laws or endangering the public!
    > 
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