Round Gas Tank
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Topic author - Posts: 3775
- Joined: Tue Jan 08, 2019 10:43 am
- First Name: Larry
- Last Name: Smith
- * REQUIRED* Type and Year of Model Ts owned: 13 Touring, 13 Roadster, 17 Coupelet, 25 Roadster P/U
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Round Gas Tank
My gas tank I believe is original to my 1913 Runabout. The plating is original, and the inside is as clean as the day it mas made. What I noticed yesterday, is there is a nub on the bottom I haven't noticed before. It appears to look like the head on a 6# nail, and only sticks down about 1/32". It is obviously original to the tank, but why is it there? It is almost centered on the bottom.
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Re: Round Gas Tank
Drip of zinc from the hot dip galvanizing?
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- First Name: Pat
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Re: Round Gas Tank
Do those tanks have an internal baffle of any kind?
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Topic author - Posts: 3775
- Joined: Tue Jan 08, 2019 10:43 am
- First Name: Larry
- Last Name: Smith
- * REQUIRED* Type and Year of Model Ts owned: 13 Touring, 13 Roadster, 17 Coupelet, 25 Roadster P/U
- Location: Lomita, California
- MTFCA Life Member: YES
Re: Round Gas Tank
Yes, this one does. I have no idea how many.
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Re: Round Gas Tank
Suspect that nail head blob is from the soldering done on the tank seams. The tanks were formed with galvanized sheet metal, rolled and seams rolled on the end caps.
That blob might be result of this operator, looks crosseyed to me.
And, yes, splash baffles are soldered in the tanks prior to end caps.
Pics from Ford Methods and the Ford Shops1913-14
That blob might be result of this operator, looks crosseyed to me.

And, yes, splash baffles are soldered in the tanks prior to end caps.
Pics from Ford Methods and the Ford Shops1913-14
The best way is always the simplest. The attics of the world are cluttered up with complicated failures. Henry Ford
Don’t find fault, find a remedy; anybody can complain. Henry Ford
Don’t find fault, find a remedy; anybody can complain. Henry Ford
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- Posts: 7691
- Joined: Sun Feb 14, 2021 10:08 pm
- First Name: Pat
- Last Name: McNallen
- * REQUIRED* Type and Year of Model Ts owned: 1926-7 roadster
- Location: Graham, Texas
- Board Member Since: 2021
Re: Round Gas Tank
Maybe the splash plates have rivets through the shell to secure them, or maybe a dimple in the shell for the same purpose.
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- First Name: Jeffrey
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Re: Round Gas Tank
Soldered in these two beads.