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Old 07-12-2016, 09:18 PM   #1
coupe1942
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Default Horn Felt Questions for Sparton horn:

My Sparton horn was apart when I got my "new to me" Model A pickup. I have looked over the drawing and it looks like I am missing some parts needed to put the horn back together again. Apparently the Dust felt is missing at the adjustment screw and the upper oiling felt below the adjusting bar. (See attached photo). Someone mentioned going to a local fabric store to replace the felt, but since I do not have the original ones, I have no idea as to their size to do this.

Someone posted a link to Restoration Supply Company and they happen to have white felt listed on p. 45 of their catalog. Can someone tell me what size I would need for these two different felt washers in order to make my own replacement parts and get this horn back to working properly?

White felt:

This white medium density soft felt is very resilient
and ideal for lubrication wicks, grease seals
and wipers. Temperature range is -80 to +200
degrees. Sold and priced by the square inch.
Thickness.

1/8" GAS066 $0.30 sq.in.
3/16" GAS067 $0.50 q.in.
1/4" GAS068 $0.50 sq.in.

Do I need to order a combination of the sizes above?

Sorry, but I just do not have an original felt piece to guide off of.
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File Type: jpg HORN PARTS.jpg (32.9 KB, 67 views)

Last edited by coupe1942; 07-12-2016 at 09:28 PM.
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Old 07-12-2016, 11:05 PM   #2
Tom Wesenberg
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Default Re: Horn Felt Questions for Sparton horn:

1/8" is good for the dust felt, but for the oiling felt that looks like a round tube of felt. You'd have to stack washers of thinner felt unless you can find a thick felt, such as the liner from a snow boot.
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Old 07-13-2016, 12:15 AM   #3
jw hash
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Default Re: Horn Felt Questions for Sparton horn:

amazon has felt. and I use a gasket punch to cut them out.
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Old 07-17-2016, 09:04 AM   #4
coupe1942
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Default Re: Horn Felt Questions for Sparton horn:

I found a good quantity of felt sizes at Hobby Lobby, but I found the largest width to be in a pack of felt washers that were used for furniture skid prevention. I found a pack of them at a local hardware store. We were shopping in Norman, Ok. yesterday, so I had the opportunity to pick up a set of hollow hole punches there (may be what JW called a gasket punch). Any rate, I took the adjustment screw out and was able to size it with o couple of the punches to make a washer that fits pretty well. Since I don't have an original, I can only guess as to how close I came with it, but it looks good to me and fit well. That top washer was interesting and I decided to make mine a bit taller than what the photo showed.

One thing that I found as interesting is that there is no felt washer or rubber washer shown in the photo to cover the opening where the two wires enter the horn cover. I don't know if there was supposed to be one there or not, but it would seem something should be to keep out dust and debris, so I'll probably make up one and install it to be safe.

The hollow hole punch set on-line at HF shows maybe 4-5 in one set and 9 in the other. I went with the 9 piece set as it gave more options for hole sizes. Cost me about $8-9 bucks for the set, but worth it for this project.

Hopefully, all I have to do now is to add a few drops of oil to the felt at the adjustment bar area and then check/test our this horn and reinstall it on my truck. I am replacing all the wiring this next week, as it is frayed or burnt. I'll likely have questions regarding all of that, as I am not all that up on swapping out wiring and all and no telling what the original owner had done with it. I have that voltage reducer to install to the horn, yet.

Some of the attached photos are not focused, but my camera batteries were weak. Hopefully they show enough to see what I am speaking of though.

Keeping my fingers crossed that this all works and the horn is in good shape to work, too.
Attached Images
File Type: jpg DSCN0321.jpg (105.5 KB, 43 views)
File Type: jpg DSCN0322.jpg (117.0 KB, 50 views)
File Type: jpg DSCN0323.jpg (132.4 KB, 48 views)
File Type: jpg DSCN0324.jpg (140.2 KB, 44 views)
File Type: jpg DSCN0326.jpg (39.1 KB, 46 views)
File Type: jpg DSCN0327.JPG (104.7 KB, 45 views)
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Old 07-17-2016, 12:01 PM   #5
figment
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Default Re: Horn Felt Questions for Sparton horn:

There is another dust felt that goes on top of the adjusting screw before the cover goes on. It is quite thin and has a hole in the center like the punch you just bought. Norm
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Old 07-17-2016, 12:06 PM   #6
coupe1942
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Default Re: Horn Felt Questions for Sparton horn:

Yes, this is the felt piece I put in, but didn't shoot a photo of. I used a square from that checkered piece of felt. It is called the (Dust Felt) in the parts photograph. Here is a photo of what I used for the adjustment bar felt piece.
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Old 07-18-2016, 12:27 AM   #7
Mike V. Florida
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Default Re: Horn Felt Questions for Sparton horn:

If one has to place an order anyway, would these work?

Spark And Gas Rod Anti-Rattlers

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