"Gotts" mod. Remove silencer?

LonestarROB · #1 Thu, June 3rd, 2010, 12:01 PM

Quote:

Originally Posted by JackandJanet

There's GOT to be PVC pipe in Home Depot or Lowes.

You need 3", Sch 40 stuff. This is "standard" cold water supply pipe for homes. Failing that though, you COULD use the grey Sch 80 PVC electrical conduit pipe. It has one end that is "flared", which of course doesn't matter since you won't use that end.
- Jack

Oh no, they did have PVC just sold out of the size I needed(sans a 10 foot piece). I'll get it at another HD/Lowes.

What is "Sch 40"? I was just looking in the Plumbing department.

***Jackpine*** · #2 Thu, June 3rd, 2010, 12:12 PM

It's just a designation that will be printed on the pipe itself. I THINK it relates to pressure and possibly temperature capacities. It has fairly thick walls, which you need for rigidity. The SCH 80 electrical conduit seems to be identical in wall thickness.

There's another white pipe "SCH" designation that is quite thin-walled. I think it's for waste (drain) pipe only. Stay away from that.

- Jack

***Longshot270*** · #3 Thu, June 3rd, 2010, 12:14 PM

Schedule 40, I think that is just how they catorgize the strength/thickness. I got a 3 ft section in the same section as the flexible 3" fitting.

Well between me and Jack we should have every possible reason for the name.

***88Racing*** · #4 Thu, June 3rd, 2010, 12:25 PM

Pipe schedules only relate to durability and wear.
It also indicates pipe wall thickness and years of expected use.
I could have a sch10+sch40+sch80 and all 3 could be rated at 300 psi.

Hope this helps?

Quote:

Originally Posted by LonestarROB

Oh no, they did have PVC just sold out of the size I needed(sans a 10 foot piece). I'll get it at another HD/Lowes.

What is "Sch 40"? I was just looking in the Plumbing department.

***Jackpine*** · #5 Thu, June 3rd, 2010, 01:05 PM

Thanks, 88!

I knew I should have let you answer that, since it's in "your field".

- Jack

***88Racing*** · #6 Thu, June 3rd, 2010, 01:27 PM

The wiki definition:
Nominal Pipe Size - Wikipedia, the free encyclopedia
Little bit more in depth.

LonestarROB · #7 Fri, June 4th, 2010, 01:38 PM

Will PVC-DWM SCH-40 Foam Core work? If not then I'm screwed because thats all anybody has around here. Nothing in the 3" except foam core.

***Longshot270*** · #8 Fri, June 4th, 2010, 01:46 PM

Yeah, I think that will work. Is it only about a 1/4 inch thick? Just make sure that the 3" connector will fit over it. I just checked the scrap I have and it says 3 inch coex cellular core. It looks like it has a super fine foam(an offwhite color) between two thinner white layers.

***Longshot270*** · #9 Fri, June 4th, 2010, 02:11 PM

We kinda got off track. If the inside diameter is 3 inches, the material is rigid and it will fit in your connector then it will work. You dont have to use a specific material for this, just something that will work.

LonestarROB · #10 Fri, June 4th, 2010, 02:25 PM

Quote:

Originally Posted by Longshot270

Yeah, I think that will work. Is it only about a 1/4 inch thick? Just make sure that the 3" connector will fit over it. I just checked the scrap I have and it says 3 inch coex cellular core. It looks like it has a super fine foam(an offwhite color) between two thinner white layers.

Sweet! Yea thats what mine says and looks like. Tag on the shelf called it Foam Core. Just wanted to make sure. Time to break out the sander i guess.