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Old 01-14-2018, 08:05 PM   #1
Deco 1927
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Default Model T wheel adapters

Does anyone know the specs on a Model T wheel adapter to mount Model A wheels onto Model T?
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Old 01-14-2018, 11:09 PM   #2
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Default Re: Model T wheel adapters

Besides the info posted on your other question try; googling "mtfca; wheel adapters".
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Old 01-14-2018, 11:52 PM   #3
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Default Re: Model T wheel adapters

MTFCA doesn't give much detail about the adapters. They tend to debate which methods work best for mounting and different people they know who can make them. Doesn't quite cover what I'm looking for. I just wanted to know if anyone had the specs for the adapters what size and width of the holes ect.
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Old 01-15-2018, 11:58 AM   #4
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Default Re: Model T wheel adapters

http://www.mtfca.com/discus/messages...tml?1222271523

While the above example use 3 plates I think the current ones sold in the catalogs use 2. If you are going to make these do you have a lathe big enough to turn the outer diameter of the back plate and drill press, or are you going to farm them out? If you are going to farm the machine work out, by time you buy material, fasteners and pay labor you might be break even or above what you can buy them for.
If no one has the info, I could come up with some ruff dimensions and quick sketch that might put you in the ball park.
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Old 01-15-2018, 12:22 PM   #5
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Default Re: Model T wheel adapters

I got a friend who owns a machine shop. He has just about everything you could imagine for Machine work. If you have dimensions that would be helpful.
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Old 01-16-2018, 12:05 PM   #6
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Default Re: Model T wheel adapters

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I will try and get something up this week or by end of weekend.
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Old 01-23-2018, 08:55 PM   #7
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Default Re: Model T wheel adapters

I removed the sketches. Sent a PM and they were up for more then a week. If you still want to see them send me an email.
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Old 01-25-2018, 07:16 PM   #8
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Default Re: Model T wheel adapters

BirdHaven had some on the shelf a few months ago.
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Old 01-25-2018, 09:06 PM   #9
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Default Re: Model T wheel adapters

Bet they are made wrong to properly support the Model A wheel. I don't if any of them are.
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Old 02-04-2018, 03:01 AM   #10
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Default Re: Model T wheel adapters

btt
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Old 02-04-2018, 11:36 AM   #11
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Default Re: Model T wheel adapters

I have used the ones from Snyders , a nice one piece adapter , the T is a 5 inch bolt circle and the A is a 5.5 bolt circle......

http://www.snydersantiqueauto.com/wire-wheel-adapter
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Old 02-05-2018, 02:20 PM   #12
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Default Re: Model T wheel adapters

I've ben able to find Model T wire wheels that are good and straight for $100 apiece. Model T wire wheel hubs sell for about the same. I don't see how using $615 worth of adapters is going to be a money saver.
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Old 02-25-2018, 08:49 PM   #13
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Default Re: Model T wheel adapters

I am in the process of doing this for my Model A wheels to my Model T hubs. I went a different way. I purchased some 5x4.5" to 5x5.5" wheel adapters off Ebay. They are 1.5" thick. They had 1/2" threaded studs. I bought them for approximately $65 for a set of 4.

This is obviously not a bolt on deal. I have a spare spindle setup in a vice pointing upwards. Put on your bearings and hub you wish to use and tighten down. Now set the adapter on and using a dial indicator, center it up on the outside of the adapter. These are machined adapters, so you can get them to run true. The trick is finding where you can also drill the new 5 bolt pattern to bolt the adapter down. I can tell you you will have to elongate one original T hub bolt hole toward the center. The others will be fresh drilled.

Once you get the adapter where you want and centered, clamp it down real good with two C-clamps. Check to make sure nothing moved. Once everything is set, drill from the back side of the T hub, into the adapter for either a 3/16" or 1/4" roll pin, 1" in length (I think you can go 1.25" if you want a little longer). Drill two holes approximately 180 degrees apart from each other. I say approximately, because should the adapter come off the hub, it will be easy to reassemble in the right spot and still be true with the pins slightly offset. Insert your two roll pins, hammer flush with the back of the T hub.

Once that is done , use a transfer punch to mark your 4 new holes in the hub. I had to make a busing sleeve for one of my punches to get it to sit in the hole of the adapter. Drill the punch marks to 1/8" all the way through, then step up a couple sizes until they are drilled for 1/2. As mentioned, grind the one T hub bolt hole to match where the hole needs to be in the adapter. Insert some grade 8 bolts 1/2" x 20 x 1.5" long into the backside of the T hubs, put on the lug nuts and torque doun to 75-80 Ft Lbs. That's it.

To do the rear hubs, I use an old axle in the vice, taper pointed up. Grease the taper so you can spin the hub easily to center your adapter. The rest is the same as the fronts.

I have done this before for my Model T Doodle bug which I drive on the road and work hard and they have not failed yet and been that way for close to 5 years, staying outside in the elements.
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Old 02-25-2018, 09:48 PM   #14
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Default Re: Model T wheel adapters

Quote:
Originally Posted by Deco 1927 View Post
I got a friend who owns a machine shop. He has just about everything you could imagine for Machine work. If you have dimensions that would be helpful.
A few months ago I read somewhere, maybe this forum, a how to on using Suzuki Samurai rear drums/hubs to make these adapters. Seemed it was rather simple. Samurais use the 5.5 bolt circle. If I can find the info I will pass it on.
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Old 02-26-2018, 02:10 AM   #15
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Default Re: Model T wheel adapters

The Model A wheel IS NOT supported by the studs and holes, they only mount the wheel to the drum. You would have to know how the whole package works together to understand what I am talking about.
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