hi im will and i was ondering if anyone could help me by giving me links to a good launcher and a shop which sells polygal/correx for fins or if possible...
6523
David G Leatham
dave698221
Oct 13, 2006 5:46 am
... From: "Clifford Heath" <cjh@...> To: <water-rockets@yahoogroups.com> Sent: Thursday, October 12, 2006 8:43 PM Subject: RE:...
6522
Clifford Heath
clifford_heath4
Oct 13, 2006 4:26 am
... further ... If you start with a higher temperature (and pressure) the problem goes away. Basically there's a temperature at which the water has enough heat...
6521
Gordon McDonough
gordonmcdipwrs
Oct 13, 2006 2:11 am
According to the CESAM site, they are using water superheated (this is done under pressure) to 250 degrees Celcius. Releasing the pressure would flash the...
6520
Gordon McDonough
gordonmcdipwrs
Oct 13, 2006 1:32 am
1) I have used the outer sleeve method and I like it. The inner method is good, probably as good, possibly better, there is not a whole lot of difference....
6519
Rod McGuire
hydroimpulse
Oct 13, 2006 1:17 am
Can anybody find more info about this? http://www.youtube.com/watch?v=tMXrKHGCv9A http://news.windingroad.com/auto-news/h-2-whoa-water-powered-french-dragster/...
6518
David G Leatham
dave698221
Oct 13, 2006 12:24 am
Hi Dave Here's Tim's wonderful work, if you haven't seen it yet. http://www.sumrallworks.com/rockets/main.php3?area=links&link_type=My%20Stuff I found the...
6517
hiddensandiegomembers
hiddensandie...
Oct 12, 2006 10:56 pm
I'm getting to the point that I would like to make some FTC rockets, but I have a few questions: 1. It seems that most people use 20 oz soda bottle necks on...
6516
radiotrib
Oct 11, 2006 10:26 am
... Cliff's previous answer covered all the major points far better than I could .. but for what it's worth, here are couple of other considerations (i.e. my...
6515
David G Leatham
dave698221
Oct 10, 2006 6:31 am
Hi All So now we are compfortable w/ top posting.... I think it's best for short replies too. But I do surely love those deeper posts too. Anyways, I think...
6514
air.command
Oct 10, 2006 2:25 am
Thanks for the prompt reply Clifford, The explanation makes sense. I had suspected as much but wasn't sure if there was something I was missing. It also means...
6513
Clifford Heath
clifford_heath4
Oct 10, 2006 1:46 am
Expanding nozzles are worse than useless for water. They can cause problems because the flow tends to stick to side, but it'll flop from side to side...
6512
air.command
Oct 10, 2006 1:12 am
Hello all, I have been looking for a while but have been unable to find sufficient information on nozzle shape design for water rockets. I was wondering if...
6511
David G Leatham
dave698221
Oct 9, 2006 2:41 am
um, w/ delpoy? i meant deploy, sorry dl ... From: "tyler_g_k" <tyler_g_k@...> To: <water-rockets@yahoogroups.com> Sent: Saturday, October 07, 2006 8:54...
6510
tyler_g_k
Oct 8, 2006 5:58 am
I am going to be in a compotation next year and I am trying to get started early on an endurance rocket. Does any body have a good design for a 2 letter bottle...
6509
levent sakar
leventsakar
Sep 27, 2006 12:02 am
A nice collection of science fair demos with movies photos and instructions to do... http://www.leventsakar.com/album/index.php?cat=2 for more information...
6508
Jim Fackert
jimboboyh
Sep 26, 2006 2:04 am
the eggsprize might be a good eggcersize to develop skills for water rocket events... http://www.xprize.org/discover/eggsprize.html jim...
6507
David G Leatham
dave698221
Sep 26, 2006 1:26 am
also, you must have already thought past fuselage diameters. , --,. duration wins this contest... hangtime. i'll not play the same ,mind farts, i did did...
6506
David G Leatham
dave698221
Sep 26, 2006 1:22 am
Heh Jon. maybe just send that really nice parachute to Richard in Ireland... or maybe you did. Lonnie sent one to me. It's one my prized possetions. Can't...
6505
Jon Mehlferber
jmehlferber
Sep 25, 2006 12:40 am
Pat, I'd say the capsule came off prematurely during deceleration of the rocket and being more "draggy" fell out of the way and didn't go as high. The opposite...
6504
Jon Mehlferber
jmehlferber
Sep 25, 2006 12:34 am
International Water Rocket Challenge: DEADLINE EXTENDED! Due to another disappointing response, I have extended the deadline (again). If you were close to...
6503
Pat LeBlanc
digidrink
Sep 21, 2006 7:33 pm
I've posted a video called "MAC Flight" in the files section. Booster: two 3-liter bottles connected with a Robinson coupling parachute with Tomy timer ...
6502
Jon Mehlferber
jmehlferber
Sep 13, 2006 12:32 am
To elaborate on Suwan's question: you have sent an invitation to members of a yahoo water rockets group who share information, links, images, designs, etc. to...
6501
suwan pitaksintorn
suwanpi
Sep 12, 2006 1:47 pm
What is this? Suwan levent sakar <leventsakar@...> wrote: Lets Share water rocket links water rocket designs water rocket movies water rocket photos ...
6500
levent sakar
leventsakar
Sep 12, 2006 12:53 pm
Lets Share water rocket links water rocket designs water rocket movies water rocket photos water rocket ideas http://groups.yahoo.com/group/WaterRockets to...
6499
levent sakar
leventsakar
Sep 11, 2006 10:31 am
sciencefairs@yahoogroups.com Lets share : science fair materials science fair ideas to subscribe: sciencefairs-subscribe@yahoogroups.com ... Do you Yahoo!? ...
6498
Richard
blogser321
Sep 8, 2006 4:26 pm
... notice ... A recovery system will not give you any extra altitude, it will give you less due to the extra weight the wrocket is carrying. But it will help...
6497
Cheah
old_trafford85
Sep 8, 2006 1:37 pm
Hi!! I am a beginner in water rocket. Last week, I built a water rocket and launch it successfully without recovery system. I notice the importance of recovery...
6496
Henning Negaard-Torst...
henning_tors...
Sep 8, 2006 7:22 am
... Maybe the o-ring would blow at a very high pressure, but the water rocket wouldn't be released. I trying to figure out how to make a launcher like this. I...
6495
David G Leatham
dave698221
Sep 2, 2006 6:36 pm
Good on ya,,, bet the device is also, simply reverseable. amazing what permanent magnet motors can do. I got some spare servos... I'll give it a go. the...
