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water-rockets · Water Rockets

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  • Members: 970
  • Category: Rockets
  • Founded: Mar 23, 2003
  • Language: English
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Messages 11206 - 11235 of 11353   Oldest  |  < Older  |  Newer >  |  Newest
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11206 Clifford Heath
clifford_heath4 Send Email
Mar 8, 2012
12:49 am
... What sort of "impossible levels"? Unstable rockets, or rockets that are changing their angle of attack due to initial instability, have remarkably large CD...
11207 Mike Passerotti
mikepasserotti Send Email
Mar 8, 2012
5:54 pm
Clifford, thanks for your rocket sim. Any chance of entering a CG/CP ratio and predicting the instability? Perhaps a ratio of less than one and the rocket...
11208 Vincent Mathews
de_rosa68 Send Email
Mar 8, 2012
11:26 pm
Does this give you four liters of thrust or just two liters of thrust now pushing two bottles. Will this make your rocket go higher/further or just smoother? ...
11209 Jon Mehlferber
jmehlferber Send Email
Mar 9, 2012
2:08 am
In Thailand, contests seem to always go for horizontal distance rather that height. You might get some tips from looking at their rockets. Not sure what...
11210 Mike Passerotti
mikepasserotti Send Email
Mar 9, 2012
8:15 pm
Vince, I'm not sure what your question is related to on the thread. I had written about using one 2 liter bottle for pressure chamber, but use another bottle...
11211 gocherhaz Send Email Mar 14, 2012
9:21 pm
Hello Please be sure to like the Facebook Page https://www.facebook.com/FlyTheLimitsRockets...
11212 dk54321 Send Email Mar 16, 2012
2:23 pm
I've ordered the equipment to switch to CO2: Tank from Beverage Elements http://www.bvrgelements.com/index.php CO2 - Reconditioned - Steel - 10 lb Tank $50.25...
11213 naumann2000 Send Email Mar 30, 2012
7:37 pm
Hey all around here, here is a new video of my FTC-Rocket. http://www.youtube.com/watch?v=Bo5vikkgZbg&feature=channel Currently i´m not that lucky with the...
11214 green rockets
greenrocketsil Send Email
Apr 1, 2012
9:40 pm
Hi Here are the latest launch pictures and videos http://youtu.be/LknWFxbF89Q enjoy eyal https://sites.google.com/site/greenrocketsil/...
11215 eyal ben-ari
eyal.ben.ari@... Send Email
Apr 10, 2012
10:14 pm
Hi I have updated the March launches https://sites.google.com/site/greenrocketsil/ enjoy eyal...
11216 James Sterrett
jamessterret... Send Email
Apr 10, 2012
11:15 pm
Three videos posted here: https://plus.google.com/u/0/111688471666425711071/posts/Ug2FC4ojeZp The small rocket bent itself on landing, despite a nerf football...
11217 green rockets
greenrocketsil Send Email
Apr 11, 2012
9:54 pm
The latest April Launches First successful kids rocket building workshop and a blustery windy launch day https://sites.google.com/site/greenrocketsil/ ...
11218 George
air.command Send Email
Apr 13, 2012
5:15 am
Thanks for sharing your March and April development progress eyal. It looks like the kids had a lot of fun at the launch.... well okay maybe the adults too. :)...
11219 George
air.command Send Email
Apr 13, 2012
5:27 am
Thanks for posting the videos of your launches James. It's always interesting to see how people build and launch their rockets. You are right about securing...
11220 James Sterrett
jamessterret... Send Email
Apr 13, 2012
6:10 pm
... Well, my rockets owe a very great deal to the website of some Australian guy named George - maybe you've heard of him? :) (The other biggest credit goes...
11221 Sri Sutyoko
sri_sutyoko@... Send Email
Apr 15, 2012
11:19 pm
Hi all, Greetings from Indonesia. I had uploaded my water rocketry from the latest launching event on November 2011 as a part of foreign language and math...
11222 George
air.command Send Email
Apr 16, 2012
4:03 am
... Ahh that's a good idea. I like it. :) Being able to easily tip the launcher over to load the rocket is a definite bonus without having to detach it from...
11223 Mike Passerotti
mikepasserotti Send Email
Apr 16, 2012
5:18 pm
That is so wonderful! If you have trouble getting o-rings, you can try swelling the pipe for a tight fit. If you have trouble getting pvc pipe, you can use a...
11224 dk54321 Send Email Apr 23, 2012
7:30 pm
I got everything quickly except the regulator, which never arrived. Skinny Pedal did not respond to my email. Good thing I paid with PayPal. I flied a claim...
11225 George
air.command Send Email
Apr 25, 2012
10:52 pm
... Thanks for the update. Good to hear that you were refunded by Paypal. I am keen to hear how you go with it on actual rocket launches. I hope in your...
11226 dk54321 Send Email Apr 26, 2012
9:38 pm
... LOL!...
11227 John Knutson
the_naimis Send Email
May 3, 2012
12:43 am
Sorry if this has been posted before... Physics professor discusses propulsion efficiency using a water rocket for demonstration... ...
11228 levent sakar
leventsakar Send Email
May 3, 2012
4:10 pm
Dear all, Here is a movie with 150+ students engaging science ! http://www.youtube.com/watch?v=Tl-cWDmKCeU  Please "like" the video on YouTube to support us ...
11229 Mike Passerotti
mikepasserotti Send Email
May 3, 2012
4:51 pm
Awesome. To: tehran_physics_group@yahoogroups.com; turkiye_fizikcileri@yahoogroups.com; spacepeople@yahoogroups.com; water-rockets@yahoogroups.com;...
11230 dk54321 Send Email May 5, 2012
11:25 pm
I finally got to try my CO2 tank and regulator with rockets today. I had used it once to add air to a tire that was low, and it seemed to work, but it was very...
11231 George
air.command Send Email
May 6, 2012
12:05 pm
... That doesn't sound like it had much in it at all. Did they say it was full, or did you assume it was filled? Is it possible that there was a leak and it...
11232 dk54321 Send Email May 6, 2012
6:25 pm
Well, since I gave them an empty tank and $26 in exchange for it, and it was about 10 lbs. heavier than my empty tank, I assumed it was full. One other...
11233 eyal ben-ari
eyal.ben.ari@... Send Email
May 10, 2012
5:03 am
Hi fellow Rocketeers Here are my latest launches from May. http://sites.google.com/site/greenrocketsil/home I am still looking for a simple & reliable...
11234 Bolivar Vivacqua
bolivar.viva... Send Email
May 10, 2012
10:55 am
Try this atatached file. The tutorial is in Portuguese, but it´s very simple. An example in youtube: http://www.youtube.com/watch?v=JR4rfpSpiZE&NR=1 Bolivar ...
11235 green rockets
greenrocketsil Send Email
May 26, 2012
11:08 pm
Hello Rocketeers Had a great launching experience at the Hebrew University in Jerusaelm We did however we loose one to the trees :( Launch movie here...
Messages 11206 - 11235 of 11353   Oldest  |  < Older  |  Newer >  |  Newest
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