Thanks for the info.Has anyone ever sleeved this pipe with anything other than scheduled 80 pipe.I cant buy schedule 80 pipe local.Also trying to keep the cost down.I found the sdr at my local tractor supply.thanks again

Question what is class 200?Is it stronger the sdr21.Last one if i buy 1.5 inch sdr21 what size would go over it to make a stronger barell.Thanks

I finished my tennis ball cannon today and now want to change barells and shoot golf balls.So heres the deal does anyone have any sdr21 1.5 inch they would like to trade for the same amount of 2.5 sdr 21(tennis ball size)I had to buy 20 ft and only used 3 ft.Let me know and thanks

I finally finished my tennis ball cannon.As i was pumping it up air kept leaking out the barrel .I checked the site to find the problem and finally figured out that the tawainese blow gun was leaking and not letting it build pressure.I changed blow guns and now i have a leak around the port that i e...

Me again back from lowes and the local hardware store.They do not sell 4 inch pressure rated pvc only foam core which i believe wont work.Is this correct?I figure i need about 16 inches for my air chamber.Anyone have any ideas?I bought the largest pressure rated pvc which is 1.5 inch.Now with a 24 i...

Me again back from lowes and the local hardware store.They do not sell 4 inch pressure rated pvc only foam core which i believe wont work.Is this correct?I figure i need about 16 inches for my air chamber.Anyone have any ideas?I bought the largest pressure rated pvc which is 1.5 inch.Now with a 24 i...

Thanks for the help.But still have questions.Is two feet long enuf to launch a tennis ball.Is twice the volume of the barrel enuf or to much.I seen a launcher for tennis balls to raise antennas and he is using 16 ''barrel at 2.5'' and 8'' comb at 4''.He claims 100 to 150 feet.Would a longer barrel l...

Thanks for the info.I read in this post not to use a bell reducer what is the reason for this?Correct me if i am wrong but a bell reducer would go from 4" to 2'' sort of like a funnel.Is this correct?I have all the parts except the 4" cap and the reducer so i can still buy the bushing instead.I plan...

Dear sir I am looking at one of your air cannons on the site .Is it designed for tennis balls?I am building one and using 24 inch of 2.5 sdr21 for the barrel and dont know what size to make the 4 inch air chamber.Also i am using two inch from the air chamber to the valve would this make a difference...

Hello i am new to this site and have a few questions. I am building a air cannon for my sons school project and to be used at home after.I am currently waiting on the sprinkler valve.I planned on using 2.5 sdr21 at 24'' long.I need to know what size air chamber to use.I am using 4 inch.I have resear...