Which Fan?
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Thread: Which Fan?

  1. #1
    1000+ Posts pottsy's Avatar
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    Default Which Fan?

    Here's one for the Gurus.

    Found three cooling fans amongst the bits obtained with Alphonse the Slough 2CV.

    Given I have three motors, and three fans, it's logical they must each come from one of the motors.

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    Interestingly, they are 4, 6 and 8 bladed!

    All three motors are early 425cc units. One is Al's original. I'm wondering whether the ruggedising for colonial service included a larger fan when exporting to far away countries?

    That being said, I'm pretty sure the 8 blade came from the newest of these motors, which may not have come frm a Slough car.

    I guess I need to have a trawl through one of my reference tomes to find out for sure, but it's intriguing.

    I would post a photo, but "Manage Attachments" seems to be spitting at me with an "error 2038" whatever that is.

    Cheers, Pottsy
    Buvito Ergo Sum!

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    2006 C5 HDI Wagon Auto ("Mephistopheles")
    1982 2CV6 ("Gaston") On the road! (Woohoo!)
    1957 Slough 2CV ("Alphonse") Waiting in the wings
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  2. #2
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    Hey Pottsy

    Same as you, ive always associated the 8 or 9 blade fans with the 602 engines and the lesser blades with the earlier engines. But, this is only based on viewing particular engines. However, how many engines, the newest of which are 22 years old are in original condition. Given that 425 engines produce less power and heat, i wonder if the later fans which consume more power and shift more air would be suitable for a 425 engine. Given the choice i would stick to the 4 or 6 blades. I curios to see what your references come up with

    Ian

  3. #3
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    The 425 machine is born with a metal fan allowing room for the dynamo. Modern fans do not fit, so only one option

    http://www.schaalbouw.nl/citroen/2cveng32.jpg

  4. #4
    1000+ Posts pottsy's Avatar
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    Default

    Thanks Peter. I guess a picture of the right one was what I needed.

    I should have mentioned that all three are metal fans, and all three would have come off 425cc engines. When I referred to the "newest" engine, I only meant the 425 I have with the highest engine number.

    Looks like the glitch stopping me from adding pictures has passed so here are the three in question.

    In any case, Peter's picture shows the 6 blader to be the right one, so I'll clean that one up and paint it.

    Any ideas where the 4 blade would be used?

    Thanks chaps, Pottsy
    Attached Thumbnails Attached Thumbnails Which Fan?-three_fans_smaller.jpg  
    Buvito Ergo Sum!

    The Fleet:

    2018 C3 Shine ("Oscar" Mrs P's)
    1974 D Special Manual Sedan ("Moby Dick")
    2006 C5 HDI Wagon Auto ("Mephistopheles")
    1982 2CV6 ("Gaston") On the road! (Woohoo!)
    1957 Slough 2CV ("Alphonse") Waiting in the wings
    1975 GS Pallas ("GiSelle") Also waiting in the wings
    And for Fun, 1968 Mini Deluxe ("The R & D'luxe" 1078cc, Grin Factor 100!)

  5. #5
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    Theyre alot different to the later plastic fans

  6. #6
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    The 8 blade fan is the first model being 375 ccm. 1953 only 4 blades. 1954 425 ccm 12 HP with 6 blades

  7. #7
    1000+ Posts daffyduck's Avatar
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    http://www.cats-citroen.net/home.html

    Here is a link to the late Jeroen Cats' site which verifies the previous post.

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