Hub and tire alignment

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Mountainrider
Posts: 178
Joined: Sun Jan 06, 2019 4:23 pm
First Name: Neil
Last Name: Haywood
* REQUIRED* Type and Year of Model Ts owned: 1915 roadster
Location: Stockbridge, MA

Hub and tire alignment

Post by Mountainrider » Sun Sep 13, 2020 1:29 pm

I assembled my hubs back on the wheels the way they came off. On one, the outside of the hub is aligned with the edge of the tire with a straight edge. The other a 1/2” away. Should I switch the hub around? Which one?
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CudaMan
Posts: 2531
Joined: Fri Jan 04, 2019 4:17 pm
First Name: Mark
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* REQUIRED* Type and Year of Model Ts owned: 1924 Cut Off Touring (now a pickup)
Location: Hillsboro, MO
Board Member Since: 2013

Re: Hub and tire alignment

Post by CudaMan » Sun Sep 13, 2020 1:35 pm

Sounds like your wheels are dished, the bottom picture is correct. :)

http://www.mtfca.com/discus/messages/25 ... 1354833087
Mark Strange
Hillsboro, MO
1924 Cut-off Touring (now a pickup)


Topic author
Mountainrider
Posts: 178
Joined: Sun Jan 06, 2019 4:23 pm
First Name: Neil
Last Name: Haywood
* REQUIRED* Type and Year of Model Ts owned: 1915 roadster
Location: Stockbridge, MA

Re: Hub and tire alignment

Post by Mountainrider » Sun Sep 13, 2020 1:43 pm

Ill switch the top one and see if they match.

Just looked again. Only can be assembled one way. Both rims and hubs look to be original to the car. After 105 years who can be sure.


Jim Sims
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* REQUIRED* Type and Year of Model Ts owned: 17 touring 20 roadster 21coupe 25tudor 25 pickup 27 coupe
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Re: Hub and tire alignment

Post by Jim Sims » Sun Sep 13, 2020 2:29 pm

Looks like you have the level on the tire and not the rim. Let the air out of the tire so the level can rest on the rim of both wheels and check again. Could be different width of tires.


Erik Johnson
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Location: Minneapolis, MN

Re: Hub and tire alignment

Post by Erik Johnson » Sun Sep 13, 2020 8:29 pm

In my opinion, putting a straight edge on the hub and measuring the distance from the rim to the straight edge is meaningless.

To see if the wheel is true:

- remove the tire
- bolt the wheel onto the axle
- put some sort of reference on the floor near the outboard side of the rim such as a block of wood
- have someone crank the motor while you check the rim for run out

I have posted in the past how to true-up a wood felloe wheel via the Dyke's manual method based on my own experience.


Norman Kling
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Location: Alpine California

Re: Hub and tire alignment

Post by Norman Kling » Sun Sep 13, 2020 9:25 pm

You can do what Erik says or leave the tires on and just put the wheels on and on a flat surface such as a concrete floor, take a square between the floor and the wheel. Leave enough room for the tire, but measure the distance between the rim and the square at several places. It is not unusual to be off a bit. I will use a wheel which is less than one half inch off. Be sure also the spokes are tight at the hub and the felloe.
Norm

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