Go Back   The Ford Barn > General Discussion > Model A (1928-31)

Sponsored Links (Register now to hide all advertisements)

Reply
 
Thread Tools Display Modes
Old 10-21-2018, 06:15 AM   #1
Steve in Tampa
Member
 
Join Date: Jun 2010
Posts: 95
Default 4 blade fan woble

I want to know if anyone has a good method to fix a 4 blade wollard out fan hub? thanks, steve
Steve in Tampa is offline   Reply With Quote
Old 10-21-2018, 07:25 AM   #2
WHN
Senior Member
 
Join Date: Mar 2017
Location: Connecticut Shoreline
Posts: 1,815
Default Re: 4 blade fan woble

Replace with new aluminum two blade fan and leakless water pump.

Two more problems solved. Enjoy.
WHN is offline   Reply With Quote
Sponsored Links (Register now to hide all advertisements)
Old 10-21-2018, 07:30 AM   #3
JOHN CT
Senior Member
 
JOHN CT's Avatar
 
Join Date: May 2010
Location: In my garage
Posts: 465
Default Re: 4 blade fan woble

Quote:
Originally Posted by WHN View Post
Replace with new aluminum two blade fan and leakless water pump.

Two more problems solved. Enjoy.
WHN is absolutely right!! Why do you need a four blade fan? Do you have some sort a hot rod that you need a four blade fan?
__________________
31 Tudor
66 Bonneville
57 Chevy pickup 27 T roadster pick up
JOHN CT is offline   Reply With Quote
Old 10-21-2018, 08:23 AM   #4
2manycars
Senior Member
 
2manycars's Avatar
 
Join Date: May 2010
Location: Eastern CT
Posts: 2,732
Default Re: 4 blade fan woble

The two blades of the airplane type fan is plenty to move the air. Many airplanes only have two blades on a motor.
__________________
Bill
www.brauchauto.com
2manycars is offline   Reply With Quote
Old 10-21-2018, 09:56 AM   #5
whirnot
Senior Member
 
whirnot's Avatar
 
Join Date: Mar 2013
Location: Bend Or.
Posts: 1,053
Default Re: 4 blade fan woble

A two blade fan is said to actually move more air than a four blade, according to some one that did an actual study on it.
__________________
Bill Worden

1929 Roadster
1929 Briggs Town Sedan
1930 Closed Cab pickup
Smith Motor Compressor
1951 Ford F1

High Desert Model A's
whirnot is offline   Reply With Quote
Old 10-21-2018, 10:25 AM   #6
Jacksonlll
Senior Member
 
Jacksonlll's Avatar
 
Join Date: Jul 2012
Location: Michigan-- Member of Oakleaf of MARC
Posts: 1,686
Send a message via ICQ to Jacksonlll
Default Re: 4 blade fan woble

Sponsored Links (Register now to hide all advertisements)
Once your tapers don’t match, pitch the fan. Like the guys say, put on a new two blade and make sure the tapers match. Don’t run with a really tight belt. A tight belt loads up that taper joint.
Jacksonlll is offline   Reply With Quote
Old 10-21-2018, 07:24 PM   #7
Steve in Tampa
Member
 
Join Date: Jun 2010
Posts: 95
Default Re: 4 blade fan woble

looking at this closer ,found out that the rivets that hold the hub to the fan (4) were loose. I might try to tighten them up and see how that goes. thanks to all, steve
Steve in Tampa is offline   Reply With Quote
Old 10-21-2018, 07:52 PM   #8
heneste
Senior Member
 
heneste's Avatar
 
Join Date: Nov 2010
Location: Ottawa,Ontario, Canada
Posts: 271
Default Re: 4 blade fan woble

Just be warned, if it wobbles too much it could stress or fatigue the blades. Make sure your fan is still in good condition and running in a balanced fashion. I had one of those four blades on my car originally but one of the blades decided to crack and let go. Still have the hood dimple as a reminder.
heneste is offline   Reply With Quote
Old 10-21-2018, 08:27 PM   #9
Tom Wesenberg
Senior Member
 
Tom Wesenberg's Avatar
 
Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
Default Re: 4 blade fan woble

I wouldn't risk body damage. Better to buy the aluminum fan.
Tom Wesenberg is offline   Reply With Quote
Old 10-22-2018, 06:35 AM   #10
WHN
Senior Member
 
Join Date: Mar 2017
Location: Connecticut Shoreline
Posts: 1,815
Default Re: 4 blade fan woble

Quote:
Originally Posted by Steve in Tampa View Post
looking at this closer ,found out that the rivets that hold the hub to the fan (4) were loose. I might try to tighten them up and see how that goes. thanks to all, steve
Please listen to to the posts you have gotten.

Old fan blades are known for breaking at speed. The damage that could be done is not worth saving the cost of a new blade.

If it happens when you have the hood open, someone could get really hurt.

This is a “known” problem with Model A fan blades. Change the blade.
WHN is offline   Reply With Quote
Old 10-23-2018, 07:16 PM   #11
CarlG
Senior Member
 
CarlG's Avatar
 
Join Date: Nov 2010
Location: Anchorage, Alaska
Posts: 9,109
Default Re: 4 blade fan woble

Quote:
Originally Posted by Steve in Tampa View Post
looking at this closer ,found out that the rivets that hold the hub to the fan (4) were loose. I might try to tighten them up and see how that goes. thanks to all, steve
If you are "hell-bent" on fixing your 4-blade fan, just drill out the rivets and replace them with aircraft grade bolts and lock nuts. And only do that if everything else about that assembly is A-OK.

Otherwise you will take the chance of wiping out your perfectly good radiator. Don't ask me how I know this!

(BTW -- I am now using one of those 6-blade plastic fans)
__________________
Alaskan A's
Antique Auto Mushers of Alaska
Model A Ford Club of America
Model A Restorers Club
Antique Automobile Club of America
Mullins Owner's Club
CarlG is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Sponsored Links (Register now to hide all advertisements)


All times are GMT -5. The time now is 06:05 AM.