The Alamo, And so it begins. - Page 6 - Graybeard Outdoors
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post #51 of 165 (permalink) Old 05-02-2019, 10:15 AM Thread Starter
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I'm thinking a plaque in front of the gun explaining when and why the gun was damaged and the story of the gun's recovery would be good also but that's not up to me.
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post #52 of 165 (permalink) Old 05-02-2019, 02:59 PM
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Dang Micheal. Struck out on the pipe at the Well Company. 10 and 15 inch is easy. He said he has seen 12" pipe over the years, but said it is less common. Have couple more places I can check though.
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post #53 of 165 (permalink) Old 05-02-2019, 04:58 PM
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Zulu, I know of a place here in the Denver area that has 12" pipe drops that they sell in their boneyard. It is 12" ID x 3/8" wall, 12 3/4" OD. I used some for my cap squares on my bowling ball mortar I made. I thought I might have some leftover but I don't. If you cannot find what you need I can pick it up and send it to you........... Gary
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post #54 of 165 (permalink) Old 05-02-2019, 05:17 PM Thread Starter
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Quote:
Originally Posted by rollingblock View Post
Zulu, I know of a place here in the Denver area that has 12" pipe drops that they sell in their boneyard. It is 12" ID x 3/8" wall, 12 3/4" OD. I used some for my cap squares on my bowling ball mortar I made. I thought I might have some leftover but I don't. If you cannot find what you need I can pick it up and send it to you........... Gary



I might take you up on that. Give me a few more days.
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post #55 of 165 (permalink) Old 05-02-2019, 05:20 PM Thread Starter
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Here is my trunnion collar drawing.
It makes sense to me because I know what it is doing.
I need the 12" ID pipe to use for the wrap arounds with a splice underneath.
It would be the perfect size for the 11.8" diameter barrel with the rubber gasket I will be using.

Any questions?
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post #56 of 165 (permalink) Old 05-03-2019, 03:24 AM
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I hope they do not have any plans to fire it.


I don't quite understand the bottom area with the cross bolt. Is there a barrel lug that you are straddling? A spacer?

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post #57 of 165 (permalink) Old 05-03-2019, 07:17 AM Thread Starter
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Quote:
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I hope they do not have any plans to fire it.


I don't quite understand the bottom area with the cross bolt. Is there a barrel lug that you are straddling? A spacer?

George,
The gun will never be fired. Ever. It is a Holy relic of Texas. I couldn't even find where the vent hole used to be.


The drawing of the cross bolt appears to be straddling a lug. It is not.

The line below the center of the bolt is not supposed to be there.
It will be an open gap that will allow some little flexibility in the fit of the collar.
There will be three 5/8" bolts there. The collar will be 3/8" X 7" wide.


The barrel is 200 miles away. When the collar is finished, I have to go back to The Alamo to ensure the collar fits.
Allowing a little flexibility will help.
Once the fit of the collar is ensured, I can place washers or spacers between the splice if needed before snugging up the bolts.


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post #58 of 165 (permalink) Old 05-05-2019, 03:43 AM
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The weight on the trunnions should keep it in position as long as it isn't fired. If it is stored in the rain, they will eventually rust together. : - )

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post #59 of 165 (permalink) Old 05-05-2019, 08:31 AM Thread Starter
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Quote:
Originally Posted by GGaskill View Post
The weight on the trunnions should keep it in position as long as it isn't fired. If it is stored in the rain, they will eventually rust together. : - )



There will be a 1/8" rubber gasket between the collar and the barrel.
I am not allowed to have any metal in long term contact with the barrel.
It does break my heart that the plan is to display it outside for 4 or 5 years before moving it inside a new facility.
I am dealing with the Conservator of the Alamo and she says she has a team that will be taking care of it.


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post #60 of 165 (permalink) Old 05-05-2019, 08:38 AM
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Outside? Is this carriage going to be painted? Stained? How are they going to protect the wood?

Clear finish and the wood underneath will suffer UV damage unless you can find a finish that guards against that.

I have faith in you, you will solve the problem.
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