tag:blogger.com,1999:blog-38795037.post4132464286152116214..comments2023-06-13T22:42:26.897+10:00Comments on Air Command Water Rockets: The ShadowGeorge Katzhttp://www.blogger.com/profile/05735356042927822858noreply@blogger.comBlogger14125tag:blogger.com,1999:blog-38795037.post-64711252968805000712011-09-25T09:08:06.108+10:002011-09-25T09:08:06.108+10:00Hi Jimmy, Thanks for the tips. We actually do some...Hi Jimmy, Thanks for the tips. We actually do something very similar with the live center on the lathe. <br /><br />The distortion was caused by the chuck jaws squeezing the PVC pipe, so you ended up with three minor depressions. We've since made a wooden mandrel that fits snugly inside the pipe and allows us to grip the pipe without distorting it.George Katzhttps://www.blogger.com/profile/05735356042927822858noreply@blogger.comtag:blogger.com,1999:blog-38795037.post-29755224995718225792011-09-25T08:57:12.310+10:002011-09-25T08:57:12.310+10:00http://www.robotroom.com/LatheCoupler/CutoffTool.j...http://www.robotroom.com/LatheCoupler/CutoffTool.jpg<br /><br />this picture sums it up very well, i would suggest though to pull your live center out before cutting, try it if you have the tools, if not you could probably get away without a live centerJimmy Porterhttps://www.blogger.com/profile/04464362932170751856noreply@blogger.comtag:blogger.com,1999:blog-38795037.post-77340221072360530202011-09-25T08:53:57.181+10:002011-09-25T08:53:57.181+10:00hi i'm jimmy for the U.S., i've always bee...hi i'm jimmy for the U.S., i've always been fascinated by your rockets and have used quite a few of your ideas. I am a machinist by profession, when making your caps on the lathe, you said the came out distored because of the chuck, try using a long piece of materiel and use a livecenter and turn you whole pice out and then take your live center out and cut your piece off while it is still chucked and in the process it leaves you a very clean cut piece with no distortion.Jimmy Porterhttps://www.blogger.com/profile/04464362932170751856noreply@blogger.comtag:blogger.com,1999:blog-38795037.post-6242470335614184772011-09-25T08:52:30.466+10:002011-09-25T08:52:30.466+10:00This comment has been removed by the author.Jimmy Porterhttps://www.blogger.com/profile/04464362932170751856noreply@blogger.comtag:blogger.com,1999:blog-38795037.post-30975895656616428892011-09-24T15:46:05.112+10:002011-09-24T15:46:05.112+10:00Thanks for your support Robert. :) We did some mor...Thanks for your support Robert. :) We did some more pressure testing on the end plugs today with good results on the test tube. I'll put an update on the Shadow's page tonight. <br /><br />We also had our regular launch day today, so I'll do the normal flight day update as well in the coming days. <br /><br />If you are ever in Sydney you're more than welcome to come along to any of the launches. :)George Katzhttps://www.blogger.com/profile/05735356042927822858noreply@blogger.comtag:blogger.com,1999:blog-38795037.post-63396218447283188222011-09-22T20:34:02.176+10:002011-09-22T20:34:02.176+10:00I love your new project. It looks fantastic! You&#...I love your new project. It looks fantastic! You've got quite some work cut out for you getting those plugs right. <br />I'm very eager to see how things develop (also with your newest "classic" rockets). I really enjoy your frequent and detailed build and flight logs. There hasn't been a week in the last two years without me visiting your website. Too bad there's a 16.000km distance between here (Germany) and your place. I'd sure love to come by for a launch day.<br /><br />RobertRdeThttps://www.blogger.com/profile/11200753453588871746noreply@blogger.comtag:blogger.com,1999:blog-38795037.post-71868648190821359402011-09-22T11:06:59.574+10:002011-09-22T11:06:59.574+10:00Thanks Kyle, Doug and Vicente. :) We are mostly ju...Thanks Kyle, Doug and Vicente. :) We are mostly just exploring new construction techniques with this rocket and seeing how things behave under higher pressures and acceleration loads. Currently it's probably on the heavier side than what it can be, but the construction techniques will be the same.George Katzhttps://www.blogger.com/profile/05735356042927822858noreply@blogger.comtag:blogger.com,1999:blog-38795037.post-56319649498877728592011-09-21T20:05:29.448+10:002011-09-21T20:05:29.448+10:00The Shadow is saved to Favouriates.The Shadow is saved to Favouriates.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-38795037.post-19541920100990018132011-09-21T00:40:36.400+10:002011-09-21T00:40:36.400+10:00George Friend,
I imagine that when the projects a...George Friend,<br /><br />I imagine that when the projects are paralyzed that you show up with more news, this is very good. As for the new project "The Shadow" is really very promising. I have noticed that the PET bottles sold are becoming less resistant, and this problem is for enthusiasts of water rockets. I wish success to the new project.<br /><br />Big hugs.Vicente Garcia M Juniorhttps://www.blogger.com/profile/04153970742673349382noreply@blogger.comtag:blogger.com,1999:blog-38795037.post-73453183622994360552011-09-20T21:36:51.876+10:002011-09-20T21:36:51.876+10:00Hey George,
The project looks fantastic :) I will...Hey George,<br /><br />The project looks fantastic :) I will be keeping an eye out for more updates on it for sure. Also i agree it looks like someone is going for the altitude record or at least as close as possible :)<br /><br />DougAnonymoushttps://www.blogger.com/profile/00467175462959588962noreply@blogger.comtag:blogger.com,1999:blog-38795037.post-40731634633808651452011-09-20T16:21:23.075+10:002011-09-20T16:21:23.075+10:00Everything looks amazing George its always fun kee...Everything looks amazing George its always fun keeping up with you.<br /><br />Kyle GossettAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-38795037.post-62329769915723639742011-09-19T23:05:36.471+10:002011-09-19T23:05:36.471+10:00Thanks Steve, and good to hear from you. :) It'...Thanks Steve, and good to hear from you. :) It's a learning exercise for us as well. I'm sure there will be plenty of failures along the way. It's a very different set of challenges when dealing with higher pressures, and higher acceleration forces. <br /><br />---------------------<br /><br />Thanks Tom. :) How is the Delta project coming along? I know you were going to use CF sleeves for your booster tubes. Did you ever get around to doing any tests with them? We're finding that rolling the tubes from cloth is quite easy.George Katzhttps://www.blogger.com/profile/05735356042927822858noreply@blogger.comtag:blogger.com,1999:blog-38795037.post-47007165526739251462011-09-19T22:37:10.258+10:002011-09-19T22:37:10.258+10:00Looking good George.
Looks like someone is going f...Looking good George.<br />Looks like someone is going for the Altitude record to me. ;)Tom Mihelichhttps://www.blogger.com/profile/00402161972688711107noreply@blogger.comtag:blogger.com,1999:blog-38795037.post-73676444908398076232011-09-19T21:48:18.050+10:002011-09-19T21:48:18.050+10:00Really interesting project, George. I doubt I woul...Really interesting project, George. I doubt I would try to do this myself but thank you for publishing the details so I can follow along.rockets-in-brightonnoreply@blogger.com