[DeTomaso] Flex-a-lite question

[Jeff Detrich]

Check your fan grounds.

Jeff
6559


On Sun, Feb 23, 2014 at 1:04 PM, Larry Finch <fresnofinches at aol.com> wrote:

>    All,
>    I've come to the conclusion the Hall Pantera Meriah fans are getting
>    tired and are not up to the task of slow traffic cooling.
>    I say this because in Summer/Winter I now always see a large jump in
>    temp when I get into city traffic versus highway travel. 20-30 degrees
>    jump. Wasn't always that way.
>    I would rather not remount the three-pass Quella/Ron Francis radiator
>    for sucker fans, so I'm looking at pushers.
>    Felx-a-lite offers model 440 as a pusher. 2500 cfm, S-blades, etc.
>    But I noted the online-available PDF installation sheet groups the 440
>    pusher and the 420 puller in the same section.
>    It instructs the 420 puller to be wired red/red and black/black, fan to
>    power source. And to reverse the wiring to red/black and black/red for
>    the 440 pusher model. This tells me the fan blades are expected to
>    perform whether rotating CW or CCW. But I've always heard blades are
>    optimal for one direction only, and show reduced efficiency when
>    rotating opposite to the intended function.
>    I will try to talk with a Flex-a-lite tech about this on Monday, but in
>    the meantime I'm asking for any of your ideas, thoughts and
>    suggestions.
>    Thanks,
>    Larry
>    ......and no, I don't know why my emails (at least in the archives) are
>    now getting duplicated by the List software.
>
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-------------- next part --------------
   Check your fan grounds.
   Jeff
   6559

   On Sun, Feb 23, 2014 at 1:04 PM, Larry Finch <[1]fresnofinches at aol.com>
   wrote:

     A  A All,
     A  A I've come to the conclusion the Hall Pantera Meriah fans are
     getting
     A  A tired and are not up to the task of slow traffic cooling.
     A  A I say this because in Summer/Winter I now always see a large
     jump in
     A  A temp when I get into city traffic versus highway travel. 20-30
     degrees
     A  A jump. Wasn't always that way.
     A  A I would rather not remount the three-pass Quella/Ron Francis
     radiator
     A  A for sucker fans, so I'm looking at pushers.
     A  A Felx-a-lite offers model 440 as a pusher. 2500 cfm, S-blades,
     etc.
     A  A But I noted the online-available PDF installation sheet groups
     the 440
     A  A pusher and the 420 puller in the same section.
     A  A It instructs the 420 puller to be wired red/red and
     black/black, fan to
     A  A power source. And to reverse the wiring to red/black and
     black/red for
     A  A the 440 pusher model. This tells me the fan blades are expected
     to
     A  A perform whether rotating CW or CCW. But I've always heard
     blades are
     A  A optimal for one direction only, and show reduced efficiency
     when
     A  A rotating opposite to the intended function.
     A  A I will try to talk with a Flex-a-lite tech about this on
     Monday, but in
     A  A the meantime I'm asking for any of your ideas, thoughts and
     A  A suggestions.
     A  A Thanks,
     A  A Larry
     A  A ......and no, I don't know why my emails (at least in the
     archives) are
     A  A now getting duplicated by the List software.
     _______________________________________________
     Detomaso Forum Managed by POCA
     DeTomaso mailing list
     [2]DeTomaso at poca.com
     [3]http://poca.com/mailman/listinfo/detomaso_poca.com

References

   1. mailto:fresnofinches at aol.com
   2. mailto:DeTomaso at poca.com
   3. http://poca.com/mailman/listinfo/detomaso_poca.com