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Brian Enos's Forums... Maku mozo!


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About jid2

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    Calls Shots

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    Auburn/Seattle Wa
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    Jared Drinkwater

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  1. Jared,


    I recently tried out a 2 port comp on 9mm STI open gun with an island barrel. DID not drill any poppel holes. I am getting significant muzzle flip that I don't believe can be dampened with drilled holes. 

    I would like to try a 3 port comp instead. When might you be building  some more. Shooters Connection is sold out. Do you know who might still have one? 


  2. Just got my VR80 today and was thinking about designing and building a new handle as well. What are you looking for in terms of improvements. Larger diameter, longer, more grip, sweet titanium? Also, maybe I missed this but it came with two different "light load" and "heavy load" pistons, I imagine everyone is keeping the light load one installed?
  3. I've got a new bath of comps back in stock, both the 3 port and the 2 port. With a lot of pushing from Shooters Connection I'm also making a full profile, extra material version for gunsmiths working on more custom builds who want flexibility to really blend the comp into the gun. So that should be awesome for those who have been looking for that. Cost will be higher as the materiel is a lot more expensive and there is more machining as it starts as a square block. I'll have some pics soon. Will start them within the next few days.
  4. Sorry for the lack of question answering - I'm super busy and don't get notifications from this sub-forum. If you really want to get ahold of me send a PM. There are no "right" answers on which comp you should buy, just like the full size vs shorty vs mid-length gun discussion. But, if you are looking to build a shorter gun and want a 2 port comp - this might be what you are looking for. The data I have provided helps you to see what's going on. Generally speaking, if you add holes to the barrel that is using the highest pressure gas to make the gun flatter, at the cost of more
  5. I had some requests for shorter versions of the CFD comp, so this run I made some with the last port removed. Great for shorter builds. https://www.binaryeng.com/collections/shooting/products/copy-of-cfd-titanium-compensator-2-port
  6. As others have said the main goals of the CFD comp were to use some engineering fun to validate the design and layout of the ports while making the lightest weight comp around. It provides good dot tracking and makes the gun easy to point. You can use it with or without holes, it's your choice on how to use the gas and I try and provide the charts to help show what that means in terms of forces. A few guys have been using it on shorty setups and removing the third port, which makes it much shorter. Again, you can look at the charts and see the effect of doing stuff like that.
  7. I like 3N37 and Autocomp, I can get both to shot nicely, but Autocomp is easier to load as the case is way less full than 3N37. With autocomp I've found you can also overshot on the power factor and move into too harsh without an improvement in dot tracking. So you should try and find the sweet spot, which for me has been around 168-169 PF with 124 GR bullets. I don't think I could handle 3N38 with how full it is in the case for loading.
  8. I've got the material and will be working on another batch soon!
  9. Trying to keep these in stock at both shooters connection or direct from my site moving forward.
  10. I've been out of stock on these for about a month now, but I'm planning to make more in the next month or so - sorry for those looking for these at the moment.
  11. If you look at the plots on the 1st page you can see the effect of the 3rd port. In the -Z direction which is pushing the muzzle down the 3rd port contributes only a smalerl amount, about 60 lbs out of a total of around 400lbs at steady state, so 15%. On the X axis, which is pulling the gun forward and reducing impact on the had it has more effect. Looks like about 60 lbs out of a total of around 290 lbs at steady state, so 20%. Not a night and day difference, but certainly working. The goal of titanium and the design in general is to not pay the weight penalty of having the extra length.
  12. I ran some cut into EGW steel cone comp blanks for steve at everglades ammo, but other than that it's been all Ti.
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