I am trying to figure out how to eject a parachute. I tried remote control operation, but the first time the battaries went dead, then I got new batteries....
11192
ripper87th
Feb 29, 2012 8:54 am
It looks to me like it is mostly a thrust-to-weight issue. The rocket starts very slowly and fins don't work when there is not enough speed - thus the rocket...
11191
naumann2000
Feb 27, 2012 8:35 pm
Cross wind was rather light. I use to throw up some grass (old glider pilots fashion) to determine wind direction. But maybe the combination was really the...
11190
naumann2000
Feb 27, 2012 8:30 pm
Thanks for your comments. I reviewed the video again and maybe i was wrong and the trigger stick is really the source of the tilting. I had the "good" idea, to...
11189
Ruben van der Laan
rubenlaan
Feb 27, 2012 3:17 pm
Haha, I have the same video with my rocket... And it is due to the string attached to the parachute mechanism... http://youtu.be/_9ydYURLi9Q I changed the...
11188
George
air.command
Feb 26, 2012 10:36 pm
Rockets always have a habbit of finding trees no matter how few of them there are! How strong was the cross wind on the day? When launching rockets with fairly...
11187
naumann2000
Feb 26, 2012 8:33 pm
i don´t believe that. In the video i saw, that the tiliting began in the first moment after leaving the launch tube. The Rocket is inherently unstable and...
11186
James Sterrett
jamessterret...
Feb 26, 2012 7:53 pm
Did the pull from tugging out the parachute release cord, attached at the top, pull it over? ... -- James Sterrett james.sterrett@......
11185
naumann2000
Feb 26, 2012 6:56 pm
Hi to all around here, As my FTC-Rocket is still sitting in the workshop, i managed to finish my first SST-Rocket. I did not think to much about flight...
11184
eyal ben-ari
eyal.ben.ari@...
Feb 26, 2012 12:52 am
Hi Everyone A few updates - Added to my Feb launches - ...
11183
Mike Passerotti
mikepasserotti
Feb 25, 2012 6:28 pm
The sim is really good. But your parameters matter. If rocket is crooked, aerodynamics will stop your rocket short. Water rocket flight is mostly coasting....
11182
naumann2000
Feb 25, 2012 5:08 pm
Thanks George, nice to hear some kind words from the grand masters! Actually, you´re right, the parachute module was lacking rigidity and not installed...
11181
George
air.command
Feb 25, 2012 9:18 am
Hi GreenRocketsIL, Very interesting launcher set up you have there. Could you describe your tube launcher in a bit more detail? Do you find it has advantages...
11180
George
air.command
Feb 25, 2012 9:07 am
Hi Yossarian, welcome to the forum. Very nice rocket you have there :) Thanks for posting the video as well. I noticed that in one of the flights, you can...
11179
green rockets
greenrocketsil
Feb 24, 2012 5:22 am
Hi Everyone Added to my Feb launches - Baloon based parashoot deployment tests - sort of worked :) - Added rocket and launcher detaild pictures have a great...
11178
naumann2000
Feb 23, 2012 10:50 pm
Hey Mike, Some details can be seen here on our german water rocket forum: http://www.raketenmodellbau.org/forum?action=viewthread&threadid=806051&page=1 ...
11177
Mike Passerotti
mikepasserotti
Feb 23, 2012 9:33 pm
Very nice, thanks for sharing! Would love to see closeups of your rocket. Mike ... Very nice, thanks for sharing! Would love to see closeups of your rocket. ...
11176
naumann2000
Feb 23, 2012 9:01 pm
Hi everybody, greetings from a new Member. I just wanted to announce the upload of my newest video featuring my FTC-rocket. So far little luck with the...
11175
Kevin
radiotrib
Feb 21, 2012 9:14 am
Hi George, Yeah. The reason for the piston approach was partly to protect the chute from heat partly to drive off the nose cone cleanly and partly because I...
11174
Helen Brown
brownie_teach
Feb 20, 2012 10:19 pm
We have had great success with the air-stream flap. We even had to modify it so it had no metal parts. You have to engineer it so the nose cone does not jam...
11173
Dave Johnson
davidkentjoh...
Feb 20, 2012 4:19 pm
Alas, my original web page is no more (I finally ditched earthlink/mindspring). I still have the source files, of course, and one of these days I'll get around...
11172
Jon Mehlferber
jmehlferber
Feb 19, 2012 3:37 am
Eyal, Could you please tell us more about how you make use of a balloon for parachute deployment? Thanks. On Sat, Feb 18, 2012 at 12:49 PM,...
11171
George
air.command
Feb 19, 2012 3:19 am
There are two common all mechanical approaches for parachute deployment. Have a look at Dave Johnson's air speed flap concept. The original webpage is no...
11170
happyman1298@...
happyman1298...
Feb 19, 2012 2:47 am
Is there any way to make a paracite mechanism without electronics? They don't seem to work for me....
11169
happyman1298@...
happyman1298...
Feb 18, 2012 10:01 pm
Hello! I was wondering what altimeters you guys are using. I am new to water rockets....
11168
eyal.ben.ari@...
Feb 18, 2012 10:01 pm
I find using a balloon in the nose cone as a good mechanism to supply power aiding the deployment of the the parashoot Good lucj Eyal ... From: "Mathew...
11167
George
air.command
Feb 18, 2012 9:38 pm
Hi Kevin, ... here. ... I remember seeing your pyro deployment mechanism here: http://groups.yahoo.com/group/water-rockets/photos/album/1328826672/pic/\ ...
11166
George
air.command
Feb 18, 2012 9:24 pm
This approach certainly has some advantages, but also some minor drawbacks. I believe several people have used a similar approach in water rockets already. You...
11165
Kevin
radiotrib
Feb 17, 2012 2:11 pm
Back when I was still flying I used a speed-flap arrangement but as the rockets got slimmer and faster I researched Soper-Roc and went for gliders ... but in...
11164
Mathew Aitken
commmander97...
Feb 17, 2012 1:54 pm
Hey guys,What about if you had a pressurised container in the noscone section pushing out a piston and thus no more need for BP. Just an idea and then you can...
