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On Saturday, March 30, a few members from all teams traveled to the Walkersville launch site
for qualification flights.
The day was clear with light wind. We used our launch rail at about 5% with the wind.
We got off nine flights. Jonathan Rains and Daniel Roh were the NAR members who qualified the flights.
Results were again mixed.
Team 5179 (Gold rocket) had a low first test flight, and reduced weight for the second flight (qualification #2).
In that flight, their booster chute came off the booster and the flight was disqualified.
Team 5180 (Multicolor rocket) flew 4 times - two tests and two qualifications. The test flights were somewhat low,
but the first qualification was fair with a score of 24. The second qualification flight was again low because it flew off at
an angle. It also had a problems with the chutes fully deploying and the booster streamer never came out. It was a disqualification.
Team 5181 had the best day with no disqualifications. The first test flight was low. The second flight
(the second qualification flight) was a little high, but got a score of 16. The third flight,(third qualification flight) was
very low and got a score of 64.
Temperature=55F, Pressure=29.70inHg?, Wind=5-10mph, Elevation=331ft
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Objectives
- Each team will fly one test flight and then one or two qualification flights.
- Team 5180 switched out the booster chute for a small streamer.
- Plan one more qualification outings before April 7.
Lessons
- Team 5181's streamer worked but Jonathan indicated other NAR members might say it still came in too fast.
- Team 5181 flights had a strange drag when the motor finished firing. We noticed this before, but it was very clear this time.
Their Multicolor rocket had a loose fin, which may have been the cause.
- Team 5179 and 5181 are done with qualification flights..
- We should have done more to separate the chutes..
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Launches
Team |
Rocket |
Flight |
Motor/Lot/Pack |
Weight |
Alt |
Recovery |
Altitude |
Time |
Comment |
5179 |
Gold (video-9065) |
1 |
F39-6 04091808 6 |
503 |
14 |
2-14"/10" |
818 |
46sec |
Little low |
5179 |
Gold (video-9081) |
2 |
F39-6 04091808 6 |
492 |
14 |
2-14"/10" |
853 |
46sec |
Tangled chutes, Q2=DQ |
5180 |
Multi (video-9063) |
1 |
F39-6 04091808 5 |
501 |
12 |
2-14" 2x30" |
822 |
48sec |
Nice flight, low |
5180 |
Multi (video-9076) |
2 |
F39-6 04091808 5 |
487 |
12 |
2-14" 2x30" |
825 |
49sec |
Nice flight, still low |
5180 |
Multi (video-9082) |
3 |
F39-6 04091808 ? |
489 |
12 |
2-14" 2x30" |
832 |
44.46sec |
Q1=24 |
5180 |
Multi (video-9088) |
4 |
F39-6 04091808 ? |
489? |
12 |
2-14" 2x30" |
815 |
29sec |
Streamer failed, Q2=DQ |
5181 |
Pink (video-9070) |
1 |
F39-6 04091808 7 |
503 |
13 |
2-14"/10" |
824 |
39sec |
Nice flight, low |
5181 |
Pink (video-9080) |
2 |
F39-6 04091808 7 |
494 |
13 |
2-14"/10" |
868 |
47.00sec |
Nice flight, Q2=16 |
5181 |
Pink (video-9085) |
3 |
F39-6 04091808 7 |
498 |
13 |
2-14"/10" |
805 |
39.66sec |
Strange flight, Q3=64.36 |
Altimeter Data (Excel format)
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