Search found 121 matches

by Hard_ware
Mon Feb 29, 2016 12:22 am
Forum: Silencersmithing Forum
Topic: BATFE E-File wait times
Replies: 43
Views: 14575

Re: BATFE E-File wait times

Guess I need to submit one for a 45acp suppressor build, last one came back in under 30 days. Then it sat for a year until I built it for a 300 blk :)
by Hard_ware
Thu Feb 25, 2016 11:42 pm
Forum: Silencersmithing Forum
Topic: Started my 30 cal can - fun with stainless steel
Replies: 30
Views: 4642

Re: Started my 30 cal can - fun with stainless steel

Sliced my thumb starting to pull stainless steel wire made when turning down the stainless. Very thin wire, went to pull it and zip right thru the skin and blood on the lathe, a little black tape and back to work. Then I used some piers to pull it loose it was pretty stout, no way I could have pulle...
by Hard_ware
Mon Sep 21, 2015 1:05 pm
Forum: Silencersmithing Forum
Topic: My hybrid SDTA design.
Replies: 18
Views: 5255

Re: My hybrid SDTA design.

IMHO the slits are going to hurt you. They start about 4" back so once the pressure bleeds off, your 20" bbl is now acting like a 16" (pressure wise). You'll have a chamber for the initial release, a chamber for the muzzle device venting and the traditional blast chamber. With all of this volume, I...
by Hard_ware
Sun Jun 14, 2015 6:55 pm
Forum: Silencersmithing Forum
Topic: Engineer/Silencer classes
Replies: 13
Views: 1855

Re: Engineer/Silencer classes

Fluid mechanics Oscillations and waves Thermodynamics http://physics.bu.edu/~duffy/ just to get the thought process on track Making it is a whole different thought process as mechanical design comes into play but having an idea of what you think will work is always best. as suggested trial and error...
by Hard_ware
Thu Mar 26, 2015 11:22 pm
Forum: Silencersmithing Forum
Topic: First round pop/suppressor styles
Replies: 5
Views: 1736

Re: First round pop/suppressor styles

All of us were born not knowing anything :D
by Hard_ware
Fri Mar 20, 2015 5:16 am
Forum: Silencersmithing Forum
Topic: First round pop/suppressor styles
Replies: 5
Views: 1736

Re: First round pop/suppressor styles

For a true subsonic design FRP is an issue. Oxygen will allow powder to continue to burn, adding some water/non combustible fluid in the blast chamber will quiet this. If you are going to fire supersonic rounds you will never quiet the super sonic shock wave. So trying to worry about FRP is like get...
by Hard_ware
Fri Mar 20, 2015 5:00 am
Forum: Silencersmithing Forum
Topic: variable degree baffles? 308, 300blk
Replies: 11
Views: 1860

Re: variable degree baffles? 308, 300blk

I think I might be able to come up with a form 1 suppressor design for the sig, no baffles required. :D
by Hard_ware
Fri Jan 02, 2015 11:05 pm
Forum: Silencersmithing Forum
Topic: variable degree baffles? 308, 300blk
Replies: 11
Views: 1860

Re: variable degree baffles? 308, 300blk

Volume and misdirection of gasses, full auto will change the dynamics of the design as higher pressures and resonance rate will need to be considered. That's if full auto is in the plan. Sacrificial muzzle brake for blast redirection takes the wear and tear off the suppressor and can be changed out ...
by Hard_ware
Fri Jan 02, 2015 10:51 pm
Forum: Silencersmithing Forum
Topic: reintroducing myself after extended absence.
Replies: 8
Views: 560

Re: reintroducing myself after extended absence.

Welcome back!

Hope you have a speedy recovery
by Hard_ware
Sat Dec 06, 2014 7:37 pm
Forum: Silencersmithing Forum
Topic: Brake VS Flash hider
Replies: 19
Views: 2349

Re: Brake VS Flash hider

Using a brake inside the can does a better job of disrupting the gasses and can redirect a large volume of the gasses escaping the muzzle into a reflex chamber delaying them and reducing the internal pressures of the can. This is dependent on the design of the brake and the volume of the reflex cham...
by Hard_ware
Wed Nov 19, 2014 12:54 am
Forum: Silencersmithing Forum
Topic: My Completed 25 dollar freeze-plug .223 can...
Replies: 61
Views: 69841

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

What method of freeze plug hardening did you use? Heated with a torch until glowing red, dunk it in a metal container filled with ice-salt-water. Three times each baffle. I did it once and then heated till blueish and let cool slowly. Suppressor has hundreds of rounds thru it, and hundreds of hogs ...
by Hard_ware
Thu Oct 16, 2014 2:58 pm
Forum: Silencersmithing Forum
Topic: found stainless steel freeze plugs
Replies: 8
Views: 8581

Re: found stainless steel freeze plugs

Here is a link to a thread on the franken thermal. http://www.predatormastersforums.com/forums/ubbthreads.php?ubb=showflat&Number=2629692&page=1 I am getting ready to take it apart to sell the ls64, as I just got an armasight 336 75mm thermal scope. Keeping ps32 for scanning, and the ps24. Pairing u...
by Hard_ware
Thu Oct 16, 2014 11:53 am
Forum: Silencersmithing Forum
Topic: Anybody done a form 1 using the new online eforms service???
Replies: 48
Views: 9642

Re: Anybody done a form 1 using the new online eforms servic

Hard_ware wrote:Just submitted a form 1 for a 308 suppressor 9/10/14 23:00 CDT

The clock is running, will post as updates are sent to me.

Let's see how fast form 1's are turning around.

Just received email form1 is approved, a few days over the 30day mark.

Off to the lathe :D
by Hard_ware
Wed Oct 15, 2014 6:26 pm
Forum: Silencersmithing Forum
Topic: My Completed 25 dollar freeze-plug .223 can...
Replies: 61
Views: 69841

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

What method of freeze plug hardening did you use?
by Hard_ware
Sat Oct 11, 2014 3:34 am
Forum: Silencersmithing Forum
Topic: found stainless steel freeze plugs
Replies: 8
Views: 8581

Re: found stainless steel freeze plugs

The freeze plugs are not as good as proven design lathe turned baffles. But several of them can make up for the lack of performance, you give up lower weight and smaller size. The freeze plug suppressor I built, works extremely well. Most suppressors fired at night you see flame or sparks from the e...
by Hard_ware
Fri Sep 12, 2014 2:40 pm
Forum: Silencersmithing Forum
Topic: Anybody done a form 1 using the new online eforms service???
Replies: 48
Views: 9642

Re: Anybody done a form 1 using the new online eforms servic

theserxtremedays wrote:My first form 1 I filed 7/21 and was approved 08/15 it was really easy they have it setup to link photos of your design and your trust. I expect my second form 1 to be approved in the next few weeks.
Hope you didn't send a pic of the built can before you got the form one approved :shock:
by Hard_ware
Fri Sep 12, 2014 2:33 pm
Forum: Silencersmithing Forum
Topic: Stainless steel freeze plug sources
Replies: 11
Views: 2694

Re: Stainless steel freeze plug sources

Grainger has some stainless seamless tubing on clearance 1.5" od 1.37 ID 6ft for $66.00 rated for 1000psi
Seemed like a good deal I picked up a 6footer
by Hard_ware
Fri Sep 12, 2014 2:29 pm
Forum: Silencersmithing Forum
Topic: "hardened" freeze plugs
Replies: 29
Views: 4811

Re: "hardened" freeze plugs

Here is a link to some simple hardening methods

http://www.gun-tests.com/special_report ... BNI1JTHJ4I
by Hard_ware
Thu Sep 11, 2014 12:19 am
Forum: Silencersmithing Forum
Topic: Anybody done a form 1 using the new online eforms service???
Replies: 48
Views: 9642

Re: Anybody done a form 1 using the new online eforms servic

Just submitted a form 1 for a 308 suppressor 9/10/14 23:00 CDT

The clock is running, will post as updates are sent to me.

Let's see how fast form 1's are turning around.
by Hard_ware
Thu Sep 11, 2014 12:13 am
Forum: Silencersmithing Forum
Topic: "hardened" freeze plugs
Replies: 29
Views: 4811

Re: "hardened" freeze plugs

Have you worked with cherry red or kasenit yourself? Yes, but rarely, it's the kind of thing that can make a difference for certain applications, but I had multiple forges, kilns and heat treat ovens, so I generally went other routes. Adding carbon to the base metal is a great way to get a real cas...
by Hard_ware
Thu Sep 11, 2014 12:10 am
Forum: Silencersmithing Forum
Topic: Bore for 308 muzzle brake/Compensator?
Replies: 12
Views: 3545

Re: Bore for 308 muzzle brake/Compensator?

Also, when I delved into making a muzzle device, I studied some brand name devices. I noticed on some of the more effective ones, that the first hole(s) were a bit larger than the following holes, so that some gas could actually go past the first baffle and work against the second or third baffles ...
by Hard_ware
Thu Sep 11, 2014 12:04 am
Forum: Silencersmithing Forum
Topic: "hardened" freeze plugs
Replies: 29
Views: 4811

Re: "hardened" freeze plugs

To help prevent them from being too brittle and crack.
by Hard_ware
Wed Sep 10, 2014 9:31 pm
Forum: Silencersmithing Forum
Topic: were you afraid to shoot your first form1 can ?
Replies: 9
Views: 1632

Re: were you afraid to shoot your first form1 can ?

ghostdog662 wrote:I had my body on the other side of a tree pulling the trigger from a string :mrgreen:
Same here except no string used, one round then inspect for any damage, then 5 rounds inspect, then dump the magazine and remember its gonna be hot!