Panart: San Felipe 1:75 Scale Build Log

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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!

shipmodelmaker
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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"

shipmodelmaker
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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.
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"

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

Post by DaveC » Wed Nov 30, 2016 9:30 am

Those are very nice looking carriages Donnie. Now, are you going to super detail them? ?

Dave
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Sometimes it's necessary to go a long distance out of the way in order to come back a short distance correctly.

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

Post by Donnie » Wed Nov 30, 2016 9:57 am

pebbleworm and Dave,
thanks for the reply. I thought about milling out the steps in longer strip fashion and then cutting them out, as this would produce many "sides" at one time. the problem I faced was gluing the pieces. I guess I am glutton for punishment.
I am still undecided - these carriages do actually come very close to some real plans I have, BUT, they just look too thick and bulky for some reason. Right now, its just a prototype. Actually, I probably should not be spending this much time on them since I don't even know what the "deck to port" distances are.
I am not going to make all of them until I see what that is. I would not want to put these on a deck if they look too big anyway. To me, they look a little too tall in height. The walls of the carriage seem just a tad too thick. The wheels look they came out of some stone age era.
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 » Wed Nov 30, 2016 6:25 pm

Why go to all that work?
Just make a master and cast the rest.
Jerry G (Glickstein)
:cool:

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