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On Saturday, February 11, members from both teams traveled to the Great Meadow Virginia launch site for test flights. The day was partially overcast, around 55 degrees, but little wind. We got off 3 flights. We used the site's launch rails. Objectives
- Test the Red/White/Blue rocket at 400g with an E20-7.
- Test the Pink rocket to see if we are ready for qualification flights.
Lessons
- Three reasonable flights, no flight issues, no eggs broke, recovered all rockets.
- We refined the target weights for best altitude.
- We tried a new way to hold the igniter in the motor (E20). Put tape over the hole, and the igniter, and then punch a hole with a pencil. The tape drapes over the motor edge and the igniter. It seemed to work OK.
- The E12s seemed OK for the Pink rocket, but the rocket still did not go as straight as we would like. The motor mount and thrust ring holder seemed loose.
- The Pink rocket streamer had tape on the edge and didn't rip off.
- The 12 inch chutes seemed to give a reasonable descent. Try moving some weight from the cargo unit to the booster. Try another coat of paint to the booster.
- We prepared the site's launch rail by cleaning, lubricating, and pointing with the wind.
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Launches
Team |
Rocket |
Flight |
Motor |
Weight |
Alt |
Recovery |
Altitude |
Time |
Comment |
2661 |
Pink (video) |
1 |
E12-6 |
304g |
11 |
12", 4x56" |
823ft |
43sec |
Good fight, score=48 |
2662 |
Red (video) |
1 |
E20-7W |
388g |
10 |
12", 6x60" |
818ft |
43sec |
Good fight, score=43 |
2662 |
Red (video) |
2 |
E20-7W |
400g |
10 |
12", 6x60" |
786ft |
38sec |
Nice fight, score=23 |
Altimeter Data
(Excel format)
Pictures
Team 2661 Team 2662
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