Hi and thank You for visiting my blog.

This blog is about my professional work, projects I have been working on, and some funny and interesting things about mechanical engineers. On these pages You can find some of my projects, as I work for army and I am not able to enclose all projects I have been working on.

My most recent designs You can find in posts below.

For more interesting projects You can follow labels, such as:

- aircraft engine blades

You can download some of my models, posts with files for download are labeled free model download.

or You can go to INDEX page and search through list of all projects on this blog.

Info about me is on ABOUT ME page, where You can see my professional CV and some info about my skills and professional knowledge.

For all questions about my work, projects, blog or job offers contact me over e-mail or Skype. E-mail form and Skype Add Me link are on CONTACT ME page.

For those who are interested in learning new stuff about Siemens NX program I made NX TUTORIALS page, where I will post some tips and tricks about how to use NX more efficiently.

Flintlock long rifle 3D model (free CAD download file)

designed in Siemens NX6

Flintlock longrifle model (1600x901 px)
Flintlock long rifle model.
History: Introduced at the beginning of the 17th century, the flintlock rapidly replaced earlier firearm-ignition technologies, such as the doglock, matchlock and wheellock mechanisms. It continued to be in common use for over two centuries, replaced by percussion cap and, later, cartridge-based systems in the early-to-mid 19th century.
My model is mix of styles and periods as I used more then 30 images of different rifles to design it. Idea for making this model come to me after PARTNER 2011 exhibition, after i become member of My City Military forum, and find out that there is huge amount of informations about modern arms but that there is no good 3D model of old rifles. After this models I will make model of percussion rifle, and models of pistols with both mechanisms, and after that I will try to find enough material to make some old Serbian weapons.

image from  www.trackofthewolf.com

My model:
This rifle have .5 caliber 42" octagon barrel. It is 1" octagon with 1 turn in 59 inches polygonal rifling (this is ). The rifle is little less then 59 inches long. This model have single trigger, but I am working on double trigger in this moment. This model have smooth cheekpeice and no engravings.

Model after few changes:
Flintlock longrifle model (1600x901 px)

Flintlock longrifle model (1600x901 px)
And finally finished model:

download this model

And always remember:

1. All guns are always loaded.

An unloaded gun is useless, and no one should ever assume that any piece he may see or touch is not ready to fire. Would that we would never again hear the plaintive wail, "I didn't know it was loaded!" Of course, it was loaded. That is why it exists. Treat it so!

2. Never let the muzzle cover anything that you are not willing to destroy.

When you point a weapon, you may not always actually intend to destroy, but you must be emotionally willing to do so. The fact that the piece is not loaded does not alter this. See Rule 1.

3. Keep your finger off the trigger until your sights are on the target.

Guns do not "go off" by themselves. Somebody fires them. The competent shooter keeps his finger straight and outside the trigger guard until he verifies his sight picture. Violation of Rule 3 is responsible for about 80 percent of firearms mishaps.

4. Be sure of your target.

Never shoot at anything that you have not identified. Never shoot at a shadow or a sound or a silhouette or anything that you cannot see clearly. Also make sure of what is behind and beyond your target that a bullet may penetrate completely.

These are the four general rules of gun safety. They apply always: while you are on and off the range, at home, in transit, hunting, or fighting. In studying them, you will see that if they were always observed by all people at all times there could be no such thing as a "firearms accident." As to that, it may be proper to insist that there is no such thing as a firearms accident - only negligence.

These rules were developed by weapons authority and author Jeff Cooper, Lt. Col. USMC (ret), and are considered by many to be the simplest and most useful rules for safe firearm handling. These rules were transcribed from his book, The Art of the Rifle, Paladin Press 1997.  

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