American Air Arms

predator-pellets

Neil Clague Air Strippers, Shrouds and LDCs

windmeister-ad

Wicked Air Rifles - Flex

Marmot Militia Machine Works

Author Topic: Shrouds, LDCs, etc.  (Read 1027 times)

Alan

  • Hero Member
  • *****
  • Posts: 1321
  • Set the example... Don't be one!
    • View Profile
    • Mobile Amateur Radio
Shrouds, LDCs, etc.
« on: April 29, 2016, 02:40:48 PM »
With the interest in 3D printing, I wonder if anyone has done any research in the various designs, and if one design is better overall?


  • Roswell, New Mexico
Alan

I have an Omega compressor. If you're a fellow Guild member, and you pass through Roswell, NM, I'll fill your portable tank as a courtesy.

PlaneJ

  • Newbie
  • *
  • Posts: 1
    • View Profile
Re: Shrouds, LDCs, etc.
« Reply #1 on: April 29, 2016, 05:31:41 PM »
That's a neat idea. Hey Travis could that be done for a LDC?
  • West Texas

Rdsail

  • Jr. Member
  • **
  • Posts: 69
    • View Profile
Re: Shrouds, LDCs, etc.
« Reply #2 on: April 29, 2016, 05:53:27 PM »
there are limitations tow you can do with 3 printing.

I prefer shrouds over ldc's. I like the ability to strip air and let it expand in the shroud. This helps remove turbolence created by the air on the pellet.

Just my thoughts.
  • Richmond, VA

Monkeydad1969

  • Global Moderator
  • Hero Member
  • *****
  • Posts: 1862
    • View Profile
Re: Shrouds, LDCs, etc.
« Reply #3 on: April 29, 2016, 05:54:51 PM »
Davio of alchemy airwerks has done LDC's on his 3d printer.  I have one on a 2260 build I got off a member on the CAPOF.  It does a decent job.  But only for lower pressure rigs.

Joe
  • Aurora, Colorado
Joe the P-Dawg Slayer!!!!!

Rdsail

  • Jr. Member
  • **
  • Posts: 69
    • View Profile
Re: Shrouds, LDCs, etc.
« Reply #4 on: April 29, 2016, 06:00:36 PM »
I agree with Joe. I have done both.

A one piece LDC - Low power

CF shroud with 3D printed one piece internals - this was able to handle 44fpe without problems but I would not go higher than that.

  • Richmond, VA

mobilemail

  • Sr. Member
  • ****
  • Posts: 270
    • View Profile
Re: Shrouds, LDCs, etc.
« Reply #5 on: April 30, 2016, 04:14:42 AM »
What defines low vs. high power in this context?
  • Carrollton IL

Rdsail

  • Jr. Member
  • **
  • Posts: 69
    • View Profile
Re: Shrouds, LDCs, etc.
« Reply #6 on: April 30, 2016, 04:32:21 AM »
I this context I would say. low power would be 20 fpe and under and hi power is 20-40 fpe.

I do have to say I have also printed items in metal. I made a silver ring for my wife and I for our aniversary and I made a key chain our of stainless steel. So the posibility is there. it is just expensive.
  • Richmond, VA

bradley70

  • Newbie
  • *
  • Posts: 36
    • View Profile
Re: Shrouds, LDCs, etc.
« Reply #7 on: April 30, 2016, 05:40:58 AM »
I asked a friend with a 3D printer to research some plans and the next day he handed me two finished products for testing. The first was a handful of pieces to be stacked and glued together. I fitted it to my .25 Octane. It started to blow apart after about 20 shots. Not at the glue joints. And yes, I'm sure the pellets were not clipping it. However, it was very effective when it was still in one piece. The second was a one piece design for a paint ball gun. I made some inserts to close up the paint ball size holes to 1/4 inch. I fabbed an adapter to fit it to my 853 and it works great for use in the city for chipmunk control.
  • Stevens Point, WI
Airgun Hobbyist
AKA "bmb"

Alan

  • Hero Member
  • *****
  • Posts: 1321
  • Set the example... Don't be one!
    • View Profile
    • Mobile Amateur Radio
Re: Shrouds, LDCs, etc.
« Reply #8 on: April 30, 2016, 06:50:48 AM »
What I was specifically asking about... Are some designs more (insert S word here) than others?
  • Roswell, New Mexico
Alan

I have an Omega compressor. If you're a fellow Guild member, and you pass through Roswell, NM, I'll fill your portable tank as a courtesy.

mobilemail

  • Sr. Member
  • ****
  • Posts: 270
    • View Profile
Re: Shrouds, LDCs, etc.
« Reply #9 on: April 30, 2016, 07:18:31 AM »
I this context I would say. low power would be 20 fpe and under and hi power is 20-40 fpe.

I do have to say I have also printed items in metal. I made a silver ring for my wife and I for our aniversary and I made a key chain our of stainless steel. So the posibility is there. it is just expensive.

I heard a bicycle related podcast a year or so ago where a British manufacturer was talking about 3D printing with powdered titanium. He said they could print parts that were not possible to make with CNC.  (He said this was an experiment in conjunction with British aviation or something like that.)  Got me excited for future possibilities.
  • Carrollton IL

Alan

  • Hero Member
  • *****
  • Posts: 1321
  • Set the example... Don't be one!
    • View Profile
    • Mobile Amateur Radio
Re: Shrouds, LDCs, etc.
« Reply #10 on: April 30, 2016, 09:06:49 AM »
Deposited metal 3D printing isn't all that new—it is just VERY expensive.

Another alternative is investment casting. It's been used in the firearms industry for some time.
  • Roswell, New Mexico
Alan

I have an Omega compressor. If you're a fellow Guild member, and you pass through Roswell, NM, I'll fill your portable tank as a courtesy.