Fan Blade Hub Hardware Size?

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Stephen1915
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Fan Blade Hub Hardware Size?

Post by Stephen1915 » Sun Dec 18, 2022 7:09 pm

What is the exact size, (length and thread size) of the 4 screws and lock washers that hold the fan blades to the hub?

Thanks!


Allan
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Re: Fan Blade Hub Hardware Size?

Post by Allan » Sun Dec 18, 2022 7:22 pm

1/2" long x 1/4" coarse thread,slotted drive round heads.
Here in Australia, we can use 1/4: Whitworth screws.
Allan from down under


Topic author
Stephen1915
Posts: 409
Joined: Wed Dec 29, 2021 12:14 pm
First Name: Stephen
Last Name: Noll
* REQUIRED* Type and Year of Model Ts owned: 1916 Coupelet
Location: Arnold, Missouri
Board Member Since: 2021

Re: Fan Blade Hub Hardware Size?

Post by Stephen1915 » Sun Dec 18, 2022 7:42 pm

Allan, do you mean 1/4-20?


Allan
Posts: 6609
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First Name: Allan
Last Name: Bennett
* REQUIRED* Type and Year of Model Ts owned: 1912 van, 1917 shooting brake, 1929 roadster buckboard, 1924 tourer, 1925 barn find buckboard, 1925 D &F wide body roadster, 1927LHD Tudor sedan.
Location: Gawler, Australia

Re: Fan Blade Hub Hardware Size?

Post by Allan » Mon Dec 19, 2022 3:37 am

Stephen, I am not into thread counts. 1/4" UNC is the correct size. 1/4" whitworth is an excellent substitute, same number of threads, just a little difference in pitch. The screws, going into aluminium, need to be coarse thread.

Allan from down under.


speedytinc
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Re: Fan Blade Hub Hardware Size?

Post by speedytinc » Mon Dec 19, 2022 8:39 am

Stephen1915 wrote:
Sun Dec 18, 2022 7:42 pm
Allan, do you mean 1/4-20?
Yes, 1/4-20

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