My radiator shop guys say that the fan should be at least 1/2 way into
the shroud to work well.
Paul
PAsgeirsson@juno.com
On Sun, 18 Jul 1999 09:47:14 -0700 Mark Snowdon <racer45@bellsouth.net>
writes:
>Bryan Vandiver wrote:
>>
>> John,
>>
>> I had to get some spacers to get my bugeye metal fan to work on my
>1275, so
>> that the fan would clear the oil breather on the timing cover. I'm
>still using
>> the orginal vertical flow radiator. As far as optimal flow goes, I
>would suspect
>> that the distance to the radiator is not that critical, as long as
>the fan
>> shroud is still in place, and the fan blades are within the shroud
>(about 1 to
>> 3" from the radiator).
>>
>> regards - Bryan
>>
>> >To: "'Majordomo, Spridgets List'" <spridgets@autox.team.net>
>> >Subject: Radiator Fan Spacer
>> >MIME-Version: 1.0
>> >
>> >I read somewhere but now forgot, there is a specification on how
>far the
>> >radiator fan should be from the radiator to achieve maximum air
>flow through
>> >the radiator. Most parts houses sell a "distance piece" of various
>> >thickness that move the fan closer to the radiator depending upon
>the
>> >thickness of the spacer. How close should the fan be to the
>radiator. I
>> >have an engine driven fan on an AH Sprite using a vertical flow
>radiator.
>> >
>> >Regards
>> >John Gronberg
>> >Siemens Building Technologies, Inc.
>> >Buffalo Grove, Illinois 60089-4513
>> >Phone: 847-215-1050 ex 5092
>> >Fax: 847-229-3658
>> >Email: john.gronberg@us.landisstaefa.com
>> >
>> >
>My understanding of fan placement is that the fan should not be
>completely inside the shroud and that it needs to have about 1/8 of
>the
>fans width in the clear behind the shroud to work correctly. Can
>someone
>remember the reasoning behind that. I was told the reason a long time
>ago, but only the measurement part comes back to mind.
>
>Mark Snowdon
>Greensboro NC
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