SpudFiles

I was testing some ping pong balls with a 1.5" PVC drain tee and discovered it had the perfect geometry to facilitate shooting a single ping pong ball at a time.
In other words I found a tee that will work as a gravity fed hopper for a semi auto ping pong cannon.

The problem is I need a loose fitting pipe to act as the body of the hopper since regular 1.5" sch40 PVC is a snug fit for ping pong balls and they couldn't move from gravity.
I could really use some recommendations on what and where to purchase a small amount of pipe for an ID slightly larger than 1.5" sch40

I know 1.5" SDR21 was popular for golf balls but I can't source a small amount anywhere and I don't know how it interacts with 1.5" PVC fittings

I use 1 1/2" SCH10 aluminum pipe for golf balls. It's basically perfect.

There are 40mm ping pong balls and there are 38mm ping pong balls. 40mm became the official size in the 90's I think.

Oh, apparently I read ping pong ball but my brain saw golf ball.

Could check with Aircraft Spruce and Specialty for tubing....overkill for the application, but available in a pretty wide variety of diameters and wall sizes and they'll do small quantities.

Thanks for the suggestions folks I ended up buying a section of metric PVC here

MECCANIXITY PVC Rigid Round Pipe 45.2mm ID 50mm OD 350mm Light Grey High Impact for Water Pipe,Crafts,Cable Sleeve

It required some sanding to get it to fit regular 1.5" PVC fittings but it's working for my purposes