The Alamo, And so it begins. - Page 16 - Graybeard Outdoors
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post #151 of 281 (permalink) Old 06-14-2019, 11:18 PM Thread Starter
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va rifleman,
There is no way to get this thing out of my shop. It will have to be put back together after paint in my carport.


northwoodneil,
The Alamo folks have decided to have it painted a blue gray.
You will see it pretty soon here.


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post #152 of 281 (permalink) Old 06-16-2019, 06:05 PM Thread Starter
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I got the leveling screw platform finished.
The screw is 1.5" Acme thread. It screws into a nut welded to the underside of the leveling screw plate.

I am working on the leveling screw handles next.

The floating platform will raise or lower. The position it is in right now will have the muzzle of the barrel slightly elevated.

The breech of the barrel is 15.625" diameter. It will sit on top of the platform.

Because this is a "below center trunnion" barrel, it will sit high on the carriage.
I have always found this problematic when making a carriage be it a field carriage or a naval carriage.
The barrel just sits too high.

I will take the carriage apart tomorrow and start the sanding process which will probably take two days.
I will also be able to drill the axle to accept the rear capsquare hook bolts.

The Acme thread will be cut to final length when the carriage goes back together after paint.
Wheels should ship on Wednesday I hope.

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post #153 of 281 (permalink) Old 06-17-2019, 08:02 PM Thread Starter
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I have taken all these pictures, not only for my own records, but because it was part of my proposal. All of these pics have been going to my contact at the Alamo also.

Everything is disassembled.
Everything is final sanded.
The cheeks are moved into my foyer for paint by my lovely assistant.
The rest will be moved in tomorrow.

Zulu

The pintle plates.





The leveling screw plates



Cheeks ready for paint. Note all the holes. They are drilled at 1 1/4 degree angle.





In the foyer ready for paint.


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post #154 of 281 (permalink) Old 06-17-2019, 11:08 PM
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I see something that I would have did differently even though it probably wouldn't matter.

I would have made the seams of the side boards of the lamination overlap so the two seams didn't meet. To me it would seem be stronger. I know you always have good a reasonable reasons for doing everything, so...

Last edited by double d; 06-18-2019 at 10:27 AM.
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post #155 of 281 (permalink) Old 06-17-2019, 11:40 PM
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Quote:
Originally Posted by double d View Post
I see something that I would have did differently even though it probably matter.

I would have made the seams of the side boards of the lamination overlap so the two seams didn't meet. To me it would seem be stronger. I know you always have good a reasonable reasons for doing everything, so...
I saw that too, but then I remember he had deliberately left them in three pieces for much of the early work.

If he'd lapped them the whole cheek would have been one piece from the beginning.

I don't often bare my soul, it's ugly and tends to frighten people.
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post #156 of 281 (permalink) Old 06-18-2019, 12:09 AM Thread Starter
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Quote:
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I saw that too, but then I remember he had deliberately left them in three pieces for much of the early work.

If he'd lapped them the whole cheek would have been one piece from the beginning.



This is correct.
I never could have moved it around.
It took me and two neighbors to move each cheek into the house as it is.
I believe each cheek weighs about 170 to 180 lbs. each without any ironwork.


Everything is bolted together vertically as well as horizontally. I have no concern about strength.
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post #157 of 281 (permalink) Old 06-18-2019, 10:30 AM
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Well, it will only be static weigh, I don't think the gun will be fired.

Man the weights involved...I got a bit of feeling for that building Seeppot. Will revisit that when I build the GoW Mortar.
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post #158 of 281 (permalink) Old 06-20-2019, 11:22 PM Thread Starter
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Paint color chosen by the Curator of the Alamo.
Not my choice but probably will look okay with black hardware.
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post #159 of 281 (permalink) Old 06-21-2019, 04:48 AM
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That will bleach out quickly in the San Antonio sun.

GG
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post #160 of 281 (permalink) Old 06-21-2019, 08:49 AM Thread Starter
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That will bleach out quickly in the San Antonio sun.





George,
That is exactly what happened to this color historically.


This was pulled from a Spanish Ordnance manual by the Curator of the Alamo and sent to me.
Zulu


"The Spanish painted their ordnance in a blue grey and not as some authors think grey. The pigment was cobalt blue and when exposed to the weather for years it has a tendency to fade to a grey. The cobalt blue was derived from cobalt oxide mined in southern Spain that was sintered with silica (sand) at 1200 C. It was a very stable colour and was popular too in the Spanish Naval Regulations from 1772. The metalwork was painted black. "

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