WRA2 competition rules Q & A

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Water Rocket Dragster rules questions

Last post by WRA2 « Fri Oct 04, 2019 8:39 pm
Replies: 1
by Afrom1 » Fri Oct 04, 2019 2:54 pm

1 Replies

5098 Views

Last post by WRA2
Fri Oct 04, 2019 8:39 pm
Negative reinforcement question

Last post by WRA2 « Tue Feb 26, 2019 7:37 pm
Replies: 8
by anachronist » Wed Feb 06, 2019 1:08 am

8 Replies

22412 Views

Last post by WRA2
Tue Feb 26, 2019 7:37 pm
Nozzles for WRA2 Class D Rockets

Last post by WRA2 « Wed Feb 20, 2019 7:50 pm
Replies: 1
by Inq » Tue Feb 19, 2019 2:06 am

1 Replies

7073 Views

Last post by WRA2
Wed Feb 20, 2019 7:50 pm
Historical standings?

Last post by anachronist « Sat Feb 16, 2019 9:16 pm
Replies: 2
by anachronist » Wed Feb 06, 2019 6:28 pm

2 Replies

7086 Views

Last post by anachronist
Sat Feb 16, 2019 9:16 pm
Class D rules question

Last post by WRA2 « Sun Feb 10, 2019 10:17 am
Replies: 5
by mac_xpert » Thu Nov 15, 2018 1:23 pm

5 Replies

9647 Views

Last post by WRA2
Sun Feb 10, 2019 10:17 am
Time to re-think the class D World Record Category?

Last post by anachronist « Wed Feb 06, 2019 12:44 am
Replies: 3
by mac_xpert » Tue Nov 13, 2018 6:48 am

3 Replies

7689 Views

Last post by anachronist
Wed Feb 06, 2019 12:44 am
Is the hobby king altimeter approved?

Last post by WRA2 « Thu Nov 15, 2018 7:14 pm
Replies: 1
by mac_xpert » Thu Nov 15, 2018 1:07 pm

1 Replies

6867 Views

Last post by WRA2
Thu Nov 15, 2018 7:14 pm
Class D Parachute Rules

Last post by LamdinRockets « Fri Apr 06, 2018 7:14 pm
Replies: 3
by LamdinRockets » Tue Apr 03, 2018 6:04 pm

3 Replies

9689 Views

Last post by LamdinRockets
Fri Apr 06, 2018 7:14 pm
Reefing parachutes

Last post by retrotec29 « Fri Dec 22, 2017 6:57 pm
Replies: 2
by retrotec29 » Fri Dec 22, 2017 12:48 pm

2 Replies

7474 Views

Last post by retrotec29
Fri Dec 22, 2017 6:57 pm
Proposal for competition subcategories

Last post by WRA2 « Sat Nov 25, 2017 11:57 am
Replies: 30
by anachronist » Tue Jun 27, 2017 1:02 am
1

2

3
30 Replies

23349 Views

Last post by WRA2
Sat Nov 25, 2017 11:57 am
What's a pyrotechnic squib?

Last post by anachronist « Thu Jul 13, 2017 12:53 pm
Replies: 3
by anachronist » Fri Jun 30, 2017 11:43 pm

3 Replies

8000 Views

Last post by anachronist
Thu Jul 13, 2017 12:53 pm
Questions abuot class D rules

Last post by anachronist « Mon Jul 03, 2017 6:39 am
Replies: 11
by Lost on a tree » Sat Sep 05, 2015 1:23 pm

11 Replies

12945 Views

Last post by anachronist
Mon Jul 03, 2017 6:39 am
Inclinometer

Last post by anachronist « Thu Jun 29, 2017 11:30 am
Replies: 3
by Alien Space Agency » Sun Dec 06, 2015 6:56 am

3 Replies

8706 Views

Last post by anachronist
Thu Jun 29, 2017 11:30 am
3D printed parts allowed

Last post by WRA2 « Tue May 09, 2017 10:09 pm
Replies: 3
by anachronist » Sun May 07, 2017 2:40 pm

3 Replies

8097 Views

Last post by WRA2
Tue May 09, 2017 10:09 pm
Pressurization Distance?

Last post by Alien Space Agency « Sun Jun 12, 2016 11:34 am

by Alien Space Agency » Sun Jun 12, 2016 11:34 am

0 Replies

7983 Views

Last post by Alien Space Agency
Sun Jun 12, 2016 11:34 am
Acceptable descent profile?

Last post by WRA2 « Wed Nov 25, 2015 10:53 pm
Replies: 14
by bugwubber » Mon Mar 31, 2014 1:20 pm

14 Replies

14052 Views

Last post by WRA2
Wed Nov 25, 2015 10:53 pm
Altimeter exception

Last post by WRA2 « Sun Nov 22, 2015 2:28 am
Replies: 5
by Alien Space Agency » Fri Nov 20, 2015 9:03 am

5 Replies

9103 Views

Last post by WRA2
Sun Nov 22, 2015 2:28 am
Altimeter Alternatives

Last post by Alien Space Agency « Thu Nov 19, 2015 2:00 am

by Alien Space Agency » Thu Nov 19, 2015 2:00 am

0 Replies

7563 Views

Last post by Alien Space Agency
Thu Nov 19, 2015 2:00 am
Competition revisions

Last post by addstogether « Sat Nov 14, 2015 10:35 pm
Replies: 12
by WRA2 » Sun Dec 02, 2012 1:00 pm

12 Replies

14126 Views

Last post by addstogether
Sat Nov 14, 2015 10:35 pm
Current World Record Holder for bottled water rocket

Last post by WRA2 « Tue Jan 06, 2015 6:01 pm
Replies: 1
by ftlrockets » Tue Jan 06, 2015 5:44 pm

1 Replies

7925 Views

Last post by WRA2
Tue Jan 06, 2015 6:01 pm
Pressure chamber

Last post by mazuzuri « Sun Jun 22, 2014 3:51 pm
Replies: 6
by mazuzuri » Tue Jun 17, 2014 2:29 pm

6 Replies

10357 Views

Last post by mazuzuri
Sun Jun 22, 2014 3:51 pm
MLC

Last post by Water Rocket Expert « Thu Apr 24, 2014 11:24 am

by Water Rocket Expert » Thu Apr 24, 2014 11:24 am

0 Replies

7646 Views

Last post by Water Rocket Expert
Thu Apr 24, 2014 11:24 am
Maximum horizontal distance competition

Last post by bugwubber « Tue Mar 25, 2014 2:55 pm
Replies: 25
by Avnish » Fri Mar 14, 2014 4:18 am
1

2
25 Replies

23922 Views

Last post by bugwubber
Tue Mar 25, 2014 2:55 pm
Airborn WRC

Last post by Water Rocket Expert « Sun Mar 23, 2014 12:24 am
Replies: 9
by Water Rocket Expert » Tue Mar 18, 2014 3:28 pm

9 Replies

11161 Views

Last post by Water Rocket Expert
Sun Mar 23, 2014 12:24 am
manufactured fins

Last post by Water Rocket Expert « Sun Mar 23, 2014 12:23 am
Replies: 9
by Water Rocket Expert » Sun Mar 16, 2014 3:58 pm

9 Replies

11567 Views

Last post by Water Rocket Expert
Sun Mar 23, 2014 12:23 am
Question on rules for pressure vessel

Last post by U.S. Water Rockets1 « Sat Mar 08, 2014 11:12 pm
Replies: 32
by Ascension » Wed Feb 26, 2014 7:53 am
1

2

3
32 Replies

25047 Views

Last post by U.S. Water Rockets1
Sat Mar 08, 2014 11:12 pm
signature.

Last post by Water Rocket Expert « Thu Feb 13, 2014 11:00 pm
Replies: 2
by Water Rocket Expert » Thu Feb 13, 2014 2:57 pm

2 Replies

8254 Views

Last post by Water Rocket Expert
Thu Feb 13, 2014 11:00 pm
"water"

Last post by Water Rocket Expert « Mon Feb 10, 2014 10:41 pm
Replies: 4
by bugwubber » Sat Feb 08, 2014 12:17 pm

4 Replies

8838 Views

Last post by Water Rocket Expert
Mon Feb 10, 2014 10:41 pm
High Power

Last post by Water Rocket Expert « Fri Dec 27, 2013 12:55 am
Replies: 6
by Water Rocket Expert » Tue Dec 24, 2013 12:26 am

6 Replies

10066 Views

Last post by Water Rocket Expert
Fri Dec 27, 2013 12:55 am
Dragster Competition Questions

Last post by Water Rocket Expert « Sat Dec 21, 2013 12:07 am

by Water Rocket Expert » Sat Dec 21, 2013 12:07 am

0 Replies

7535 Views

Last post by Water Rocket Expert
Sat Dec 21, 2013 12:07 am
Pressure Vessel Question

Last post by U.S. Water Rockets1 « Sat Nov 30, 2013 11:52 pm
Replies: 5
by Water Rocket Expert » Wed Nov 27, 2013 11:30 am

5 Replies

9066 Views

Last post by U.S. Water Rockets1
Sat Nov 30, 2013 11:52 pm
Another Pressure Vessel Question

Last post by WRA2 « Thu Nov 28, 2013 10:05 am
Replies: 1
by Prodigy Rocketry » Thu Nov 28, 2013 12:51 am

1 Replies

7843 Views

Last post by WRA2
Thu Nov 28, 2013 10:05 am
Air Supply question

Last post by bugwubber « Mon Sep 23, 2013 12:46 am
Replies: 5
by bugwubber » Fri Sep 20, 2013 11:10 pm

5 Replies

9679 Views

Last post by bugwubber
Mon Sep 23, 2013 12:46 am
1500g Weight Limit

Last post by bugwubber « Fri Sep 20, 2013 1:01 pm
Replies: 5
by bugwubber » Fri Sep 20, 2013 9:40 am

5 Replies

9354 Views

Last post by bugwubber
Fri Sep 20, 2013 1:01 pm
Composite pressure vessel

Last post by Spaceman Spiff « Mon Aug 19, 2013 11:57 pm
Replies: 2
by Stuart Swan » Sun Aug 18, 2013 2:02 pm

2 Replies

8579 Views

Last post by Spaceman Spiff
Mon Aug 19, 2013 11:57 pm
Question on rules for rocket design.

Last post by WRA2 « Fri Jun 21, 2013 10:27 pm
Replies: 1
by Nick B » Fri Jun 21, 2013 8:59 pm

1 Replies

7899 Views

Last post by WRA2
Fri Jun 21, 2013 10:27 pm
Simultaneous Launch Record

Last post by U.S. Water Rockets1 « Sat Jun 01, 2013 9:54 pm
Replies: 21
by bugwubber » Fri Mar 29, 2013 12:32 am
1

2
21 Replies

17031 Views

Last post by U.S. Water Rockets1
Sat Jun 01, 2013 9:54 pm
Tomy timer question

Last post by WRA2 « Sat Feb 23, 2013 5:48 pm
Replies: 1
by SaskAlex » Sat Feb 23, 2013 4:06 pm

1 Replies

7868 Views

Last post by WRA2
Sat Feb 23, 2013 5:48 pm
Designing the new WRA2 pop bottle altitude record class

Last post by bugwubber « Sat Feb 23, 2013 1:14 pm
Replies: 31
by WRA2 » Sat Jan 05, 2013 12:59 pm
1

2

3
31 Replies

24194 Views

Last post by bugwubber
Sat Feb 23, 2013 1:14 pm
Safety Rule II.2

Last post by WRA2 « Mon Sep 24, 2012 7:07 pm
Replies: 3
by SeaWolf » Mon Sep 24, 2012 9:24 am

3 Replies

8773 Views

Last post by WRA2
Mon Sep 24, 2012 7:07 pm
What is the Altitude Challenge?

Last post by WRA2 « Mon Jul 23, 2012 5:02 pm
Replies: 1
by Tommy » Mon Jul 23, 2012 11:26 am

1 Replies

7576 Views

Last post by WRA2
Mon Jul 23, 2012 5:02 pm
just curious....

Last post by WRA2 « Tue May 08, 2012 8:27 pm
Replies: 5
by Nick B » Thu May 03, 2012 4:58 pm

5 Replies

9273 Views

Last post by WRA2
Tue May 08, 2012 8:27 pm
Parachute deploy system.

Last post by U.S. Water Rockets1 « Sat Feb 18, 2012 11:51 pm
Replies: 4
by Willem » Fri Jan 13, 2012 5:19 pm

4 Replies

9172 Views

Last post by U.S. Water Rockets1
Sat Feb 18, 2012 11:51 pm
Multi stage rockets allowed in altitude challenge

Last post by WRA2 « Tue Feb 07, 2012 6:31 pm
Replies: 5
by arjan » Mon Feb 06, 2012 4:24 am

5 Replies

9313 Views

Last post by WRA2
Tue Feb 07, 2012 6:31 pm
Recommended Altimeters

Last post by teper « Thu Nov 10, 2011 6:54 pm
Replies: 3
by rozermac » Wed Oct 05, 2011 7:04 pm

3 Replies

8903 Views

Last post by teper
Thu Nov 10, 2011 6:54 pm
commercial timers allowed?

Last post by air.command « Tue Oct 25, 2011 6:15 pm
Replies: 2
by SaskAlex » Sun Oct 23, 2011 6:11 pm

2 Replies

8293 Views

Last post by air.command
Tue Oct 25, 2011 6:15 pm
Rules Interpretations

Last post by Skymeat « Tue Aug 02, 2011 11:16 pm
Replies: 5
by air.command » Wed Dec 29, 2010 1:46 am

5 Replies

10244 Views

Last post by Skymeat
Tue Aug 02, 2011 11:16 pm
Documenting an official record submission process.

Last post by WRA2 « Sun Apr 10, 2011 10:18 am

by WRA2 » Sun Apr 10, 2011 10:18 am

0 Replies

7742 Views

Last post by WRA2
Sun Apr 10, 2011 10:18 am
WRA2 Design and Fabrication Competition

Last post by Spaceman Spiff « Sat Mar 05, 2011 12:38 am
Replies: 3
by WRA2 » Sat Jan 30, 2010 5:38 pm

3 Replies

9063 Views

Last post by Spaceman Spiff
Sat Mar 05, 2011 12:38 am
Class B clarification

Last post by U.S. Water Rockets1 « Sat Feb 13, 2010 11:02 pm
Replies: 8
by SaskAlex » Sat Feb 06, 2010 12:22 pm

8 Replies

11022 Views

Last post by U.S. Water Rockets1
Sat Feb 13, 2010 11:02 pm

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