Panart: San Felipe 1:75 Scale Build Log

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Donnie
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Re: Panart: San Felipe 1:75 Scale Build Log

Post by Donnie » Fri Nov 25, 2016 8:04 pm

.
Well, I am playing around with Cannon Carriages again. These were taken from some real resources of which I used CAD to trace the outline of the actual plan. Then scaled it down the best I could. Then, I cut the pattern (drawing out) and traced the pattern onto the wood.
I don't think anyone would notice if the Carriages were off by 1/64 to 1/128 of an inch to compensate for complete perfect scale of the 1/75 San Felipe'.
I found a scale drawing of a cannon of the era (I think) and the measurements on it were about 5'-11" ( 5 feet eleven inches ). Which according to my calculations comes out to be about 19.55 mm in length. (about 1/8 inch shorter)

There is little to no info on this ship anyway. So, it is as good as any guess. I have not opened the box all the way to see what kind of cannon carriages they have, but for some reason, I am determined to make my own.

All of this was done on a mill using a 1/8 inch wide Two Fluted Downcut End Mill for wood only. RPM was about 2000. No sanding was done - what you see if what you get. Pretty nice clean cuts !

This is about 45 min to 1 hour of work to get this one block done. Later I will mill out the center section and add the angle of the sides. I want to make this all one piece. The last effort, was almost impossible to get the pieces glued and to stay steady. The one piece will look better anyway.
This is like version # 6.
(Again) I did a total redo of how it is manufactured in the Mill. Overall, I timed myself and it is still about an hour to make one. The entire Carriage is one piece - no glue used at all.

Now the final product of the carriage only. A little clean up is necessary, but not much. Now the decision if I want to make about 20 or more of these. I think I can only deal with one per evening. This is a multi step process that must be thought out way in advance.

I apologize for constantly changing this post, but there is little need of showing the mess ups and changes. I would rather focus on final product here.
carriages-rev-01.jpg
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carriages-rev-03.jpg
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carriages-rev-06.jpg
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Last edited by Donnie on Wed Nov 08, 2017 4:21 pm, edited 6 times in total.
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Current Build: Panart San Felipe 1:75
Completed Build: Santisima Trinidad

Main SOS Site: Ships of Scale Website

"War Ships are safe at harbor, but that is not what they were made for"

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paulv1958
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Re: Panart: San Felipe 1:75 Scale Build Log

Post by paulv1958 » Mon Nov 28, 2016 12:29 am

How many at 1 hr each do you have to make ?
Already built:


Occre Albatros
AL Endeavour Longboat
AL Spanish Galleon Heritage Kit
Panart : Between Gun decks ( bashed)
Caldercraft Endeavour.
AL King of Mississippi
Corel Victory Cross Section

On shelf
AL Santa Ana ( Next Build)
Caldercraft HMS Victory

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Donnie
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Re: Panart: San Felipe 1:75 Scale Build Log

Post by Donnie » Mon Nov 28, 2016 1:08 am

I think I have 24 to 26 to make. The first one obviously takes longer as I am trying to establish a pattern and routine. I also noticed that my trucks are not extended out beyond the carriage. I have to figure that out too. A one piece carriage can be a little challenging because you have to think way ahead of the cuts and layout. I could just mill a slot for the trucks, but it would not be one piece.
Donnie
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Current Build: Panart San Felipe 1:75
Completed Build: Santisima Trinidad

Main SOS Site: Ships of Scale Website

"War Ships are safe at harbor, but that is not what they were made for"

shipmodelmaker
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Re: Panart: San Felipe 1:75 Scale Build Log

Post by shipmodelmaker » Mon Nov 28, 2016 11:38 am

Hey Donnie;
two things.
1.
When you finish your "challenge",
I suggest you cast the rest in resin or something similar.
2.
End mills should never be chucked in a drill chuck for milling.
Get the proper Sherline End Mill Holder.
In the drill chuck, there will be run-out.
And some of the end mill teeth will just go along for the ride while the rest will be working hard.
End Mill Holder, minimum run-out, best result.
Jerry G (Glickstein)
:cool:

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528i
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Re: Panart: San Felipe 1:75 Scale Build Log

Post by 528i » Mon Nov 28, 2016 11:56 am

Can you rent time on a CNC machine? :D Take your CAD drawings and you could have them all knocked out in no time. :geek:
Great work though!

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Re: Panart: San Felipe 1:75 Scale Build Log

Post by shipmodelmaker » Mon Nov 28, 2016 12:44 pm

Hey Donnie,
constructive criticism.
Never hold any part way on one side of the vise.
You must balance the set-up by putting a block of the exact same size as your work at the other end of the vise.
Then you get the same pressure on both part and shim block.
End of Lesson
Jerry G (Glickstein)
:cool:

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Donnie
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Re: Panart: San Felipe 1:75 Scale Build Log

Post by Donnie » Mon Nov 28, 2016 3:31 pm

@ Jim: well, I know you are joking. It would cost like rip to have a company to CNC this out for me. I can buy my own CNC, but there is A LOT more to it than meets the eye. There is a steep learning curve to CNC, but it can be done. Sherline has it all, but need some more $$ flow. Do you care to donate? LOL
$1795 for CNC upgrade for my Mill. You would have multiple programs (routines) to perform each major cut. A routine to cut the steps, turn the part upside down, and start another program to cut out the bottom part. Then re position again to run another program to mill out the interior.

@ Jerry,
that bit is a 1/8 all the way and I do not have a End Mill holder to accept a 1/8 " bit. I do not have a cash flow like others. I realize about the stock hanging off the edge, I know, bad on me. But, I am taking shallow cuts at 2000 RPM and I have not noticed an ounce of movement. I know - this is not the way to do things. I will find a way to support the work - no harm done. No, I am not offended in the least. I always appreciate your help, and I am sure that what I am doing is making you cringe !!!

Donnie
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Current Build: Panart San Felipe 1:75
Completed Build: Santisima Trinidad

Main SOS Site: Ships of Scale Website

"War Ships are safe at harbor, but that is not what they were made for"

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Re: Panart: San Felipe 1:75 Scale Build Log

Post by shipmodelmaker » Tue Nov 29, 2016 2:38 pm

Hi Donnie.
"Cringe"?
No, not in the least.
Why?
After almost fifty years as a toolmaker, and then a Chief Toolmaker,
I have seen it all.
That is why the local industrial doctors near machine shops and tool rooms
do not have a shortage of accidents.
Jerry G (Glickstein)
:cool:

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Donnie
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Re: Panart: San Felipe 1:75 Scale Build Log

Post by Donnie » Tue Nov 29, 2016 11:16 pm

.
Adding Trucks and Axles will be next. This will be redone as well.
Last edited by Donnie on Wed Nov 30, 2016 11:27 pm, edited 2 times in total.
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Current Build: Panart San Felipe 1:75
Completed Build: Santisima Trinidad

Main SOS Site: Ships of Scale Website

"War Ships are safe at harbor, but that is not what they were made for"

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Re: Panart: San Felipe 1:75 Scale Build Log

Post by pebbleworm » Wed Nov 30, 2016 12:33 am

Couldn't you mill out a long strip of stock with the stairstep operations, then mill the other/cannon length axis, cut the strip to carriage width and then finish? You seem to have to do a lot of set up work cranking them out one by one.

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