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Old 10-15-2015, 07:35 PM   #1
Bruce in southern OH
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Default 1936 Fan dimensions needed!

Reinstalling a metal 4 blade fan on a 1936 car, (had a 6V electric fan, pull type ) the fan I came up with when installed on the front of generator is to close to the radiator hoses. ( like a gap of only a 1/8" ) Need to know what is the correct length of hup/spool portion of the fan. I looked at search section of early V8 forum but did not come up with an answer, lot of info but not exact, thanks Bruce
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Old 10-15-2015, 07:48 PM   #2
deuce_roadster
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Default Re: 1936 Fan dimensions needed!

The 35-36 book says the fan should be 15 1/2" dia, 1 3/4" deep.
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Old 10-15-2015, 08:30 PM   #3
Bruce in southern OH
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Default Re: 1936 Fan dimensions needed!

Thank you, will check mine in morning, seems like between the two hub flanges that I have only about 3/4 to 1 ", will advise, Bruce
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Old 10-16-2015, 10:41 AM   #4
jacob smith
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Default Re: 1936 Fan dimensions needed!

my 36 is close like that
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Old 10-17-2015, 03:12 PM   #5
Bruce in southern OH
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Default Re: 1936 Fan dimensions needed!

I found a 2" fan hub, that is measuring from back of hub ( generator end ) to back of nearest fan blade. The 2" is to long, the one I have measures 1 1/8" ( to close ). Need to know where the 1 3/4" measurement is taken from, Duece_Roadster, any idea. I believe if 2" is to long that the 1 3/4" would be correct, need to find one, any info or location would like to know, thanks Bruce
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Old 10-17-2015, 03:20 PM   #6
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Default Re: 1936 Fan dimensions needed!

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The V8 Club restoration book only has those dimensions and not how they were measured. I would expect it would be from the mounting flange out to the farthest point. I don't have a 35 or 36 (only 32,33,40) so have no direct experience. Hopefully 36 owners on this forum will chime in.
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Old 10-17-2015, 05:07 PM   #7
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Default Re: 1936 Fan dimensions needed!

Hope this helps
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Old 10-17-2015, 05:08 PM   #8
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Default Re: 1936 Fan dimensions needed!

More
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Old 10-17-2015, 07:50 PM   #9
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Default Re: 1936 Fan dimensions needed!

This photo is of a 36 fan on the genorator. I am not sure we're to measure from but this should be right
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Old 10-17-2015, 08:23 PM   #10
Bruce in southern OH
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Default Re: 1936 Fan dimensions needed!

jacob smith, that is what I have now, to close for comfort, less than a 1/8" at closest point on upper point of radiator hose. Need fan that measures 1 3/4" duece Roadster says is in book. thanks for the photos, same way I measured, Bruce

Last edited by Bruce in southern OH; 10-17-2015 at 08:23 PM. Reason: spelling
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Old 10-17-2015, 08:25 PM   #11
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Default Re: 1936 Fan dimensions needed!

33-36 is the same fan. The 37-39 has a 7/8" longer hub
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Old 10-17-2015, 08:58 PM   #12
Ed Pitts
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Default Re: 1936 Fan dimensions needed!

Here are pics of the the 36 fan (first 3) and the later fan. Ed
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Old 10-17-2015, 09:00 PM   #13
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Default Re: 1936 Fan dimensions needed!

Here are the pics.
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Old 10-17-2015, 10:23 PM   #14
Don Rogers
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Default Re: 1936 Fan dimensions needed!

Bruce, Here are the correct dimensions for a 35-36 passenger car fan (40-8620-A)
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Old 10-17-2015, 11:55 PM   #15
deuce_roadster
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Default Re: 1936 Fan dimensions needed!

So Don, since you are co author of the 35-36 book, is that a misprint on page 103?
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Old 10-18-2015, 06:59 AM   #16
Don Rogers
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Default Re: 1936 Fan dimensions needed!

Deuce. The 1 3/4" dimension referenced in The 35/36 Book was an overall depth dimension from the base of the fan hub to the center fan rivet.
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Old 10-18-2015, 07:21 AM   #17
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Default Re: 1936 Fan dimensions needed!

Quote:
Originally Posted by Don Rogers View Post
Deuce. The 1 3/4" dimension referenced in The 35/36 Book was an overall depth dimension from the base of the fan hub to the center fan rivet.
What Don is showing here is the most critical dimension to have or know when making sure you have the correct fan that should give you the correct clearance. If it doesn't, then something else is located incorrectly, IMO.
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Old 10-18-2015, 07:55 AM   #18
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Default Re: 1936 Fan dimensions needed!

I think you have the correct fan Bruce,you might have been measuring from wrong place.give it a try!!!!!
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Old 10-18-2015, 09:09 AM   #19
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Default Re: 1936 Fan dimensions needed!

Be sure your fan belt is not too long. With too long of a belt it can cause the clearance to be awfully close with the hoses.
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Old 10-18-2015, 11:22 AM   #20
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Default Re: 1936 Fan dimensions needed!

Thanks for clearing that up Don, I think your diagram in post 16 is what Bruce wanted to know.
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