[DeTomaso] Recap... Asa's adventure in Pantera fluid dynamics

larry at ohiotimecorp.com larry at ohiotimecorp.com
Fri Sep 4 19:39:38 EDT 2009 

Does that hold true for the dynamite too?



Larry  (square) - Cleveland




On Fri Sep  4 17:55 , wkooiman at earthlink.net sent:

>It's a square rule not 4 times.
>
>Area = pi * r * r.
>
>Whatever factor you apply to R, you have to square it to see how it impacts the area.
>
>So, 1/2 flows 4 times as much as 1/4, because 1/2 is twice 1/4. and twice * twice = 4 times.
>
>But, 1/3 flows 9 times as much as 1/9 because 1/3 is 3 times 1/9, and 3 * 3 = 9 times - not 3 
* 4.
>
>-----Original Message-----
>>From: "michael at michaelshortt.com" michaelsavga at gmail.com>
>>Sent: Sep 4, 2009 3:43 PM
>>To: Tomas Gunnarsson guson at home.se>
>>Cc: detomaso at realbig.com
>>Subject: Re: [DeTomaso] Recap... Asa's adventure in Pantera fluid dynamics
>>
>>I think I remember something about a rule of 4 regarding flow and inside
>>diameter, i.e., a 1/2" pipe will flow 4x more fluid than a 1/4" pipe
>>etc., 2x size equals 4x the flow.
>>
>>Michael Shortt
>>
>>
>>I know it works for dynamite, 2 sticks combined is supposed to be equal to 4
>>single sticks ( totally unrelated but cool info cause you just never
>>know.....
>>
>>On Fri, Sep 4, 2009 at 3:00 PM, Tomas Gunnarsson guson at home.se> wrote:
>>
>>> Thanks. I'd think that one big hole is better than several small of the
>>> same combined area. Surface tension can play tricks on you sometimes.
>>>
>>> Tomas
>>>
>>> ----- Original Message -----
>>> From: asajay at asajay.com>
>>> To: detomaso at realbig.com>
>>>  Sent: Friday, September 04, 2009 8:34 PM
>>> Subject: Re: [DeTomaso] Recap... Asa's adventure in Pantera fluid dynamics
>>>
>>>
>>> > In the Robertshaw stat, I drilled three holes of about 1/8"  (I'm not
>>> > home so I can't reference the exact size.
>>> >
>>> > The Stant stat has one 3/16" hole in it.
>>> >
>>> > Asa Jay
>>> >
>>> > Quoting Tomas Gunnarsson guson at home.se>:
>>> >
>>> >> What size is the hole?
>>> >>
>>> >> Tomas
>>> >> ----- Original Message -----
>>> >> From: asajay at asajay.com>
>>> >> To: detomaso at realbig.com>
>>> >> Sent: Friday, September 04, 2009 7:11 PM
>>> >> Subject: Re: [DeTomaso] Recap... Asa's adventure in Pantera fluid
>>> dynamics
>>> >>
>>> >>
>>> >>> I have a hole drilled in the thermostat so that it does -not- trap air.
>>> >>>
>>> >>> Asa Jay
>>> >>>
>>> >>> Quoting Art Stephens artstephens at verizon.net>:
>>> >>>
>>> >>>> Asa Jay,
>>> >>>> I was just thinking that if the thermostat is not immersed in water,
>>>  it is
>>> >>>> not going to open even though the engine is getting hot,  which would
>>> mean
>>> >>>> that the system still had air in it?  It seems like I have been down
>>> this
>>> >>>> path before?  I liked what Jack was saying about filling it in
>>> >>>> several steps
>>> >>>> and shutting down before it gets too hot.
>>> >>>>
>>> >>>> Art
>>> >>>>
>>> >>>>
>>> >>>> ----- Original Message -----
>>> >>>> From: "Asa Jay Laughton" asajay at asajay.com>
>>> >>>> To: detomaso at realbig.com>
>>> >>>> Sent: Friday, September 04, 2009 7:15 AM
>>> >>>> Subject: Re: [DeTomaso] Recap... Asa's adventure in Pantera fluid
>>> dynamics
>>> >>>>
>>> >>>>
>>> >>>>> Geeez, always pointing me to that guy running the club store.
>>> >>>>>
>>> >>>>> Well, if the Pantera holds 6½ gallons of coolant, and my system was
>>> >>>>> completely dry, then I -definitely- had an air pocket.  My initial
>>> fill,
>>> >>>>> to the point the radiator was full (coming out the bleed at the top)
>>> and
>>> >>>>> the swirl tank was full, was three gallons.  I thought this was
>>> short,
>>> >>>>> but could not get any more in.  The thermostat had a bleed hole as
>>> well,
>>> >>>>> so I figured I need to run it an push some air out.  However, I now
>>> >>>>> believe I introduced a big air lock in it somewhere, possibly at or
>>> near
>>> >>>>> the pump and almost definitely in the engine.
>>> >>>>>
>>> >>>>> Now that I've added coolant and manually turned the pump with the
>>> heater
>>> >>>>> hose off, I have been able to tell when the impeller was saturated
>>> with
>>> >>>>> coolant.  Now it's back to putting the thermostat housing on and
>>> >>>>> attempting to bleed the system again.  This time, paying more
>>> attention
>>> >>>>> to what's going on, rather than the excitement of just having the car
>>> >>>>> running after two years.
>>> >>>>>
>>> >>>>> There is probably a lesson in here about filling a dry Pantera with
>>> >>>>> coolant.
>>> >>>>>
>>> >>>>> Asa Jay
>>> >>>>>
>>> >>>>> Asa Jay Laughton, MSgt, USAFR, Retired
>>> >>>>>
>>> >>>>> & Shelley Marie
>>> >>>>> Spokane, WA
>>> >>>>>
>>> >>>>> 1971 Mach I Mustang  [ASA JAY]
>>> >>>>> 1973 Pantera L 5533  [ASASCAT]
>>> >>>>>
>>> >>>>> ******************************
>>> >>>>> http://www.asajay.com
>>> >>>>> http://www.teampanteraracing.com
>>> >>>>>
>>> >>>>>
>>> >>>>>
>>> >>>>>
>>> >>>>> MikeLDrew at aol.com wrote:
>>> >>>>>> In a message dated 9/3/09 21 35 44, asajay at asajay.com writes:
>>> >>>>>>
>>> >>>>>>
>>> >>>>>>
>>> >>>>>>> - How many gallons does a typical Pantera take?  (Entire system,
>>> engine,
>>> >>>>>>> pipes and radiator, all dry)
>>> >>>>>>>
>>> >>>>>>>
>>> >>>>>>
>>> >>>>>> I believe that nugget of information can be found in the original
>>> owner's
>>> >>>>>> manual.   To get one of those, contact the POCA club store manager,
>>> Asa
>>> >>>>>> Jay
>>> >>>>>> Laughton, at asajay at asajay.com :>) :>) :>)
>>> >>>>>>
>>> >>>>>> Mike (on the road with no original manual at hand to
>>> reference--somehow
>>> >>>>>> it
>>> >>>>>> was left out of the digital version of 'the works'?)
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>>
>>
>>-- 
>>
>>
>>
>>
>>
>>
>>
>>Michael L. Shortt
>>Savannah, Georgia
>>www.michaelshortt.com
>>michael at michaelshortt.com
>>912-232-9390
>>
>>
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