tag:blogger.com,1999:blog-4048431881422106954.post3774162377559528474..comments2023-06-06T21:31:39.011-07:00Comments on Cheeto Summer of Fun: Build A Rocket Launcher For $20Anonymoushttp://www.blogger.com/profile/13120565045763124203noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-4048431881422106954.post-53668428578283399912014-06-22T18:44:46.008-07:002014-06-22T18:44:46.008-07:00We keep it around 20 psi if we want to shoot them ...We keep it around 20 psi if we want to shoot them straight up in the yard. 20-40 psi makes the biggest difference in distance. the gain between 60 and 80 psi is only about 10 yards - around 100 yards total. No modifications are needed to the sprinkler valve. <br /><br />Which part did I miss? Anonymoushttps://www.blogger.com/profile/13120565045763124203noreply@blogger.comtag:blogger.com,1999:blog-4048431881422106954.post-43671752898828234302014-06-19T05:03:33.409-07:002014-06-19T05:03:33.409-07:00I think you miss one part in the part list.
Do you...I think you miss one part in the part list.<br />Do you have to modify the sprinkler valve? How much PSI you recommend? VietCalihttps://www.blogger.com/profile/11425006159178566393noreply@blogger.com