[DeTomaso] Cooling system hose questions

Fri May 29 06:12:14 EDT 2009

Pushers will bend away from the radiator while operating and suckers
will move towards the radiator, right?

Tomas

<-----Ursprungligt Meddelande----->
From: Thomas Tornblom [Thomas.Tornblom at hax.se]
Sent: 29/5/2009 9:26:04 AM
To: detomaso at realbig.com
Subject: Re: [DeTomaso] Cooling system hose questions

One thing against pushers is that if the blades are flexible they might 
run into the radiator at high speed, destroying the radiator.

Why would you lay the radiator down if you have the fans in front of the
radiator? I believe the reason for a lay down arrangement is mainly for 
space issues with sucker fans.

Thomas

Julian Kift skrev:
> I don't have access to photo's right now, but if this is a Flexalite
unit the 'pusher' and 'sucker' applications are two different and
distinct part numbers.
> 
> Julian
> 
>> Date: Thu, 28 May 2009 20:13:23 -0700
>> From: asajay at asajay.com
>> To: detomaso at realbig.com
>> Subject: Re: [DeTomaso] Cooling system hose questions
>>
>> Maybe I should just mount them on the front. As long as I have a
decent 
>> seal around the edge, I should accomplish essentially the same thing 
>> shouldn't I?
>>
>> Comments?
>>
>> 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.asajay.com/> 
>> http://www.teampanteraracing.com <http://www.teampanteraracing.com/> 
>> 
>>
>>
>>
>> Asa Jay Laughton wrote:
>>> Okay, obviously I'm not communicating this correctly. The fan blades
>>> are -straight- from the center hub to the outside ring. There is no 
>>> curve to them between the hub and the ring. We'll say each blade is 
>>> about six inches long by about two inches wide. The blade is
straight 
>>> along it's length. The blade is convex, or curved across the width.
>>>
>>> Stock Pantera fan:
>>>
http://www.teampanteraracing.com/index.php?option=com_g2bridge&view=gall
ery&Itemid=57&g2_itemId=2554
<http://www.teampanteraracing.com/index.php?option=com_g2bridge&view=gal
lery&Itemid=57&g2_itemId=2554> 
>>>
>>> Note how it has a curved (convex) blade that effectively -scoops-
the 
>>> air as the blade goes around, blowing air into the radiator.
>>>
>>>
>>> Now look at the dual fan assembly here:
>>>
http://www.teampanteraracing.com/index.php?option=com_g2bridge&view=gall
ery&Itemid=57&g2_itemId=2548
<http://www.teampanteraracing.com/index.php?option=com_g2bridge&view=gal
lery&Itemid=57&g2_itemId=2548> 
>>>
http://www.teampanteraracing.com/index.php?option=com_g2bridge&view=gall
ery&Itemid=57&g2_itemId=2551
<http://www.teampanteraracing.com/index.php?option=com_g2bridge&view=gal
lery&Itemid=57&g2_itemId=2551> 
>>>
>>> Note how it too has curved blades, but also note that when mounted
to 
>>> the -back- of a radiator, in a sucker arrangement, -and- the fan
turning 
>>> in the correct direction to suck air through the radiator, the curve
>>> will not be scooping the air. To me, this creates an inefficiency.
>>>
>>> Do the photos help?
>>> 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.asajay.com/> 
>>> http://www.teampanteraracing.com <http://www.teampanteraracing.com/>
>>> 
>>>
>>>
>>>
>>> MikeLDrew at aol.com wrote:
>>> 
>>>> In a message dated 5/28/09 13 51 16, asajay at asajay.com writes:
>>>>
>>>>
>>>> 
>>>> 
>>>>> I don't mind the curve, what I mind is that it's not "scooping"
the 
>>>>> air with the curve. Imagine for a moment, mounting an orignal
Pantera 
>>>>> fan on the motor backwards, so the curve is the wrong way. It
still 
>>>>> works if the motor turns the right way, but how less efficient is
it?
>>>>>
>>>>> 
>>>>> 
>>>>>>> Scimitar fans don't work by scooping the air. They are
deliberately 
>>>>>>> 
>>>>>>> 
>>>> curved so that the outside of the fan blade trails the inside by
several 
>>>> inches. I don't understand why it's better, but it's the latest
trend in 
>>>> propeller/fan aerodynamics. Among other things, it is much quieter.
>From the 
>>>> Spal website FAQ section:
>>>>
>>>> Q. What's the difference between the straight blade fans and the
curved 
>>>> blade fans?
>>>> A. The straight blade fans provide maximum cooling for their size.
The 
>>>> curved blade fans sacrifice a small amount of performance in return
for a 
>>>> much quieter fan. If noise is an issue, go with the curved blade
fans. If 
>>>> ultimate performance is the objective, use the straight blade fans.
>>>>
>>>> Mike
>>>>
>>>>
>>>> **************
>>>> Cooking Dinner For Two? Sign Up & Get Immediate 
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romoclk/100126575x1222652750x1201460983/aol?redir=http:%2F%2Fad.doublecl
ick.net%2Fclk%3B215225797%3B37274671%3Bq%3Fhtt
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Real life: Thomas Törnblom Email: Thomas.Tornblom at Hax.SE
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