Search found 121 matches

by Hard_ware
Wed Sep 10, 2014 9:27 pm
Forum: Silencersmithing Forum
Topic: First form 1 can
Replies: 27
Views: 7569

Re: First form 1 can

Nice job!!! For a bushing that will fit over barrel with 1" NPT grainger 1MNK1 cost $3.29 its 1" NPT outside ( will fit over a 1" muzzle brake ) and .710 ID will need some sanding or turning on a small lathe to match barrel OD usually around .720 to .750 keep it tight and only 1 set screw needed or ...
by Hard_ware
Wed Sep 10, 2014 9:11 pm
Forum: Silencersmithing Forum
Topic: .22 keyholing at 3 yards.. problems found
Replies: 25
Views: 5671

Re: .22 keyholing at 3 yards

Bad barrel, seems like it is worn out.
by Hard_ware
Wed Sep 10, 2014 9:09 pm
Forum: Silencersmithing Forum
Topic: "hardened" freeze plugs
Replies: 29
Views: 4810

Re: "hardened" freeze plugs

Take the freeze plugs before you heat treat them, and drop them on a hard surface and listen to the tone produced. Now heat treat them, I heated with mapp gas until glowing cherry red and dropped into salt/ice/soap solution, then heated with propane flame until slightly blue haze around them and let...
by Hard_ware
Thu Jul 10, 2014 11:12 pm
Forum: Silencersmithing Forum
Topic: How do MuzzleBrakes affect suppressor function and dB levels
Replies: 10
Views: 1267

Re: How do MuzzleBrakes affect suppressor function and dB le

Most of this work has been done by the Finn's and references have been published in Alan Paulsons books. Poi shift is negated by a QD that locks up the same every time not the muzzle device .The process of dumping more energy in the blast chamber simply delays the gases longer.+1 to Delta on saving...
by Hard_ware
Thu Jul 10, 2014 1:17 am
Forum: Silencersmithing Forum
Topic: How do MuzzleBrakes affect suppressor function and dB levels
Replies: 10
Views: 1267

Re: How do MuzzleBrakes affect suppressor function and dB le

Helps reduce POI shift with and without suppressor, if muzzle brake stays attached to barrel.
by Hard_ware
Tue Apr 29, 2014 2:13 am
Forum: Silencersmithing Forum
Topic: 300 AAC blackout suppressor. Looking for basic build info
Replies: 28
Views: 27613

Re: 300 AAC blackout suppressor. Looking for basic build inf

The muzzle brake will direct the higher volume of gasses to the side and not forward as part of the initial blast, will also minimize the poi shift if you leave the muzzle brake on the firearm and remove the suppressor. Works well using a reflex design with a 2 point attachment. A cheap 1" diameter ...
by Hard_ware
Sat Dec 28, 2013 3:44 pm
Forum: Silencersmithing Forum
Topic: bounceing ideas for a big can
Replies: 19
Views: 1883

Re: bounceing ideas for a big can

I think a reflex can as long as possible will eliminate some barrel flex as well, by stiffening the barrel.

http://www.youtube.com/watch?v=s5pVya7eask
by Hard_ware
Wed Oct 30, 2013 6:49 pm
Forum: Silencersmithing Forum
Topic: Serial Number Etching
Replies: 7
Views: 1309

Re: Serial Number Etching

welcome, I have done this with steel and stainless for some pipes I welded together to make a handle to turn the irrigation system. I put my name on the stainless steel tubes so if the city workers take them they can be identified . They were given to the local little league baseball for them to use...
by Hard_ware
Mon Oct 28, 2013 11:25 pm
Forum: Silencersmithing Forum
Topic: Serial Number Etching
Replies: 7
Views: 1309

Re: Serial Number Etching

Basics Mask off area with a plastic tape or sticker material or wax cut out and expose metal surface you want to etch Old computer power supply works great, use yellow wire(connect to metal) and black wire (to cotton swab) take cotton swab and wrap black wire around cotton swab stick side of cotton ...
by Hard_ware
Sun Oct 20, 2013 2:10 am
Forum: Silencersmithing Forum
Topic: Advice on Flow Simulation
Replies: 33
Views: 2761

Re: Advice on Flow Simulation

Silencerco 3 years ago
We machined a plastic tube made from bulletproof glass. Then used a high speed camera to shoot 30,000 frames per second.
by Hard_ware
Wed Oct 16, 2013 5:22 pm
Forum: Silencersmithing Forum
Topic: Advice on Flow Simulation
Replies: 33
Views: 2761

Re: Advice on Flow Simulation

Adding volume and extending exhaust delay are the main factors in modern suppressor design. Any loss of heat should be counted as a bonus, except for above applications Exactly, keeping heat away reflecting it is actually a bonus for full auto design. Thermal mass, volume, and surface area for sing...
by Hard_ware
Sat Oct 12, 2013 9:55 pm
Forum: Silencersmithing Forum
Topic: "Uncorking Pressure" and gas volumes
Replies: 26
Views: 5054

Re: "Uncorking Pressure" and gas volumes

to simulate that would be crazy. Your talking heated mach flow with particulate. Sure, calculating this from scratch using only input values would be a major challenge. But once you have empirical data things might become easier, most of the parameters would be fixed or vary within a fairly moderat...
by Hard_ware
Sat Oct 12, 2013 9:40 pm
Forum: Silencersmithing Forum
Topic: My Completed 25 dollar freeze-plug .223 can...
Replies: 61
Views: 69827

Re: My Completed 25 dollar freeze-plug .223 can...

I used a tri delta muzzle brake in the first form1 I built. It minimized the POI shift with/without can, and vents a large percentage of the gasses into a reflexed chamber extending back to the front of the gas block, the baffle section (10 baffles) extends 4 1/2 inches beyond the muzzle brake. When...
by Hard_ware
Fri Oct 11, 2013 8:17 pm
Forum: Silencersmithing Forum
Topic: "Uncorking Pressure" and gas volumes
Replies: 26
Views: 5054

Re: "Uncorking Pressure" and gas volumes

Now that is an accurate way to obtain chamber pressure. Having pressures per chamber(plus volume of chamber), would allow the safety factor to be obtained while cutting volume/weight/type of material to exactly what is needed for the length/diameter that is being targeted. This would vary per barrel...
by Hard_ware
Sat Sep 21, 2013 12:48 am
Forum: Silencersmithing Forum
Topic: Kyle's 7.62mm, titanium/stainless, clipped cone baffle can.
Replies: 78
Views: 17646

Re: Kyle's 7.62mm, titanium/stainless, clipped cone baffle c

Nice! Now its ready for some night critters :D I use a toaster oven for baking coatings on, put some stainless mig wire thru suppressor and hang it horizontally. Able to fit about 13" long can in one, and wife is happy cause it doesn't stink up the house. Also use it to dry brass for reloading quick...
by Hard_ware
Fri Aug 30, 2013 2:51 pm
Forum: Silencersmithing Forum
Topic: Kyle's 7.62mm, titanium/stainless, clipped cone baffle can.
Replies: 78
Views: 17646

Re: Kyle's 7.62mm, titanium/stainless, clipped cone baffle c

Nice video

I have much more understanding for the price of Ti suppressors now.
by Hard_ware
Fri Aug 30, 2013 2:42 pm
Forum: Silencersmithing Forum
Topic: Engineering Study
Replies: 27
Views: 1628

Re: Engineering Study

Physics plain and simple. Keep in mind that not only sound will give you away. As far as suppressors for supersonic rounds look at all the brands sold and all I have seen are under -40db reduction so no magic usually around 35-38db. hat are commercially successful appear to be the smaller,with ~ -3...
by Hard_ware
Fri Aug 30, 2013 2:36 pm
Forum: Silencersmithing Forum
Topic: 22 freeze/expansion plug suppressor
Replies: 284
Views: 336456

Re: 22 freeze/expansion plug suppressor

Yes Just sighted it in to test if dvr would drop out , it held up ok. I am going to design a mount with adjustments built in, draw back to handheld is the NUC or reset on the detector happens automatically(green square upper left corner appears before reset) where a weapon sight is manually triggere...
by Hard_ware
Thu Aug 29, 2013 8:15 pm
Forum: Silencersmithing Forum
Topic: My new .338 edge silencer
Replies: 32
Views: 9443

Re: My new .338 edge silencer

Very nice!
by Hard_ware
Thu Aug 29, 2013 7:59 pm
Forum: Silencersmithing Forum
Topic: Engineering Study
Replies: 27
Views: 1628

Re: Engineering Study

Physics plain and simple. Keep in mind that not only sound will give you away. As far as suppressors for supersonic rounds look at all the brands sold and all I have seen are under -40db reduction so no magic usually around 35-38db. When trying to achieve silent shooting it all starts in the powder,...
by Hard_ware
Thu Aug 29, 2013 7:04 pm
Forum: Silencersmithing Forum
Topic: 22 freeze/expansion plug suppressor
Replies: 284
Views: 336456

Re: 22 freeze/expansion plug suppressor

Thanks for the simple design!

Here is pic got my form1 back a couple of mths back.

No flash, no blast from muzzle, a bit on the heavy side @ 2lbs 3oz. But works great, only adds 4 1/2 inch to barrel.

Image

Thanks again! subsonic