WTB Speedometer gear - Found One!

Post parts wanted or for sale here

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Bryce S.
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WTB Speedometer gear - Found One!

Post by Bryce S. » Sun Sep 18, 2022 7:30 pm

Today I was driving and happened to look down and noticed my speedometer was dead in the water.... I got out and immediately went to the right front wheel and saw the smaller gear nut had backed off and chucked the gear. I walked the road for 2 hours looking for it. I have no idea if it was fiber or metal. It's a Johns-Manville Speedometer. I would greatly appreciate any information. I am attaching pictures of everything.
Attachments
speed 4.jpg
speed3.jpg
speed 2.jpg
speed 1.jpg
Last edited by Bryce S. on Sun Oct 02, 2022 9:27 am, edited 1 time in total.


ThreePedalTapDancer
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Re: WTB Speedometer gear

Post by ThreePedalTapDancer » Sun Sep 18, 2022 8:35 pm

I think they look like this and are made of fiber. Check with Russ Furstnow the speedometer rebuilder, he would know. If not, This place may have them.

http://antiquespeedometer.com/index.htm

1FBB90A8-DDC1-4D4E-AE02-458111A3477B.jpeg


Topic author
Bryce S.
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Re: WTB Speedometer gear

Post by Bryce S. » Sun Sep 18, 2022 8:42 pm

I am not really sure if it was fiber but as long as it fits I'm sure it will be fine. I will give it a shot tomorrow and call. I feel like it might have been metal especially due to the wear on the wheel gear itself. Thank you very much for the information.

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RajoRacer
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Re: WTB Speedometer gear

Post by RajoRacer » Sun Sep 18, 2022 9:58 pm

The majority of drive pinions were fiber - seen a couple metal ones, though.


Topic author
Bryce S.
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Re: WTB Speedometer gear

Post by Bryce S. » Mon Sep 19, 2022 6:19 am

RajoRacer wrote:
Sun Sep 18, 2022 9:58 pm
The majority of drive pinions were fiber - seen a couple metal ones, though.
Would it been advantageous for me to look for a metal one vs a fiber or delrin one?

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John iaccino
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Re: WTB Speedometer gear

Post by John iaccino » Mon Sep 19, 2022 7:22 am

I don't know if this is the one you are looking for, but I have this one I would sell.
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20211216_110144.jpg


Allan
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Re: WTB Speedometer gear

Post by Allan » Mon Sep 19, 2022 7:41 am

I'd be more concerned with the road wheel. It certainly looks experienced. There appear to be register marks on the outside circle of the wheel bolts, perhaps indicating that something might well have been in play to cause the departure of the speedo gear. Also, those nuts are on wheel bots which have not been staked to keep them from becoming loose.

Allan from down under.


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Re: WTB Speedometer gear

Post by ThreePedalTapDancer » Mon Sep 19, 2022 8:15 am

The wheel gear needs to be removed and the teeth filed and cleaned up. The swivel or something has made obvious contact with the teeth, and that gear will quickly chew up a new fibre gear in its present state.


Russ_Furstnow
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Re: WTB Speedometer gear

Post by Russ_Furstnow » Mon Sep 19, 2022 8:41 am

The fiber pinion gear you need is a 12T8P gear. I have them in stock. 1stnow@msn.com I hope this helps, Russ Furstnow
Attachments
008 (3).JPG


Russ_Furstnow
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Re: WTB Speedometer gear

Post by Russ_Furstnow » Mon Sep 19, 2022 10:58 am

Bryce, After looking at your photos, I noted that you are missing the collar and thin nut that holds the fiber pinion in place. Check out the photos of the parts of the drive and you can see the collar and nut. I hope this helps, Russ Furstnow
Attachments
100_1594.jpg
100_1592.jpg


Topic author
Bryce S.
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Joined: Wed Dec 29, 2021 5:09 am
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Re: WTB Speedometer gear

Post by Bryce S. » Tue Sep 20, 2022 11:04 am

John iaccino wrote:
Mon Sep 19, 2022 7:22 am
I don't know if this is the one you are looking for, but I have this one I would sell.
Thank you John, I appreciate it but the one that came off of it was a 12 tooth.


Topic author
Bryce S.
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Joined: Wed Dec 29, 2021 5:09 am
First Name: Bryce
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Re: WTB Speedometer gear

Post by Bryce S. » Tue Sep 20, 2022 11:07 am

Well after a total walking time of the near 3 block stretch of road I have yet to find the gear that has the collar which mates to that gear which Russ informed me I would need as well. Pretty unfortunate but those are the cards that were dealt.


Topic author
Bryce S.
Posts: 99
Joined: Wed Dec 29, 2021 5:09 am
First Name: Bryce
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* REQUIRED* Type and Year of Model Ts owned: 1919 Speedster
Location: Central Indiana
MTFCA Number: 52112
Board Member Since: 2021

Re: WTB Speedometer gear

Post by Bryce S. » Sun Oct 02, 2022 9:26 am

All, I just wanted to give a shout out to Russ. He got me all squared away and Dad's "T" will be in working order soon enough. Very grateful for this forum.

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