Competition Countdown to Launch!146 days, 17 hours, 27 minutes, and 5 seconds
146 days, 17 hours, 27 minutes, and 5 seconds
Sept. 15, 2024
Notice of Intent to Compete
Non-binding, but a hard deadline to order test flight motor(s) and certification flight motor(s)
Before Build Start
Draft of Designs (specs & sim)
Due before you start to build
Jan. 31, 2025
Team Registration Fee Due
Pay registration fee and for motors now too
Jan. 31, 2025
All States’ Judges Identified
Feb. 10, 2025
Declaration of Competition Attendance
Feb. 10, 2025
Draft of Designs (specs & sim) Last Date
Last possible date to get credit for Draft of Designs
March 10, 2025
Preliminary Design Report (PDR)
PDR along with Model Rocket Flights documentation
April 15, 2025
Test Flights Completed
Recommended to do these in March or early April
May 5, 2025
Flight Readiness Report (FRR)
FRR along with Educational Outreach form
May 17-18, 2025
Competition
Includes Oral FRR; weather delay date: 5/19
June 2, 2025
Post-Competition Flight Performance Report (PCFPR)
June 16, 2025
Competition Results Announced
Launch Condition#
The launch condition of the rocket is as follows
Launch Coordinates
Latitude 45° 30' 40.86 N, Longitude -92° 58' 48.79 W
May Weather Average
65°F - 75°F
Elevation to Sea-level
267 meters / 876 feet
Humidity
73%
Atmospheric Pressure
1030hPA
Average Wind Speed
10.6 mph
Visibility
Clear
Motor Specification#
HP-H550ST Thrust Curve
Manufacturer
AeroTech
Designation
HP-H550ST
Motor Type
SU
Delays
6,8,10,12,14
Diameter
38 mm
Length
206 mm
Total Weight
316 g
Prop. Weight
176 g
Avg. Thrust
552.0 N
Initial Thrust
583.0 N
Max. Thrust
640.0 N
Total Impulse
312.0 Ns
Burn Time
0.6 s
Motor Case
38 DMS
Rocket Data#
Rocket #1
| Nose-Cone Shape | Ellipsoid |
| Fin Shape | Trapezoidal |
| Recovery Type | Dual-Deployment |
| Motor Class | H550DMS |
| Length(mm) | 900 |
| Inner Diameter(mm) | 112 |
| Outer Diameter(mm) | 114 |
| Body Thickness(mm) | 2 |
| Mass (Motor included)(g) | 1590 |
| Center-Pressure(Nose)(mm) | 676 |
| Center-Gravity(Nose)(mm) | 586 |
| Delay (Set-charge)(seconds) | 15.4 |
| Velocity(Rail)(m/s) | 44.9 |
| Vmax(m/s) | 200 |
| Amax(m/s) | 407 |
| Appogee(m) | 1388 |
Rocket #2
| Nose-Cone Shape | Ellipsoid |
| Fin Shape | Trapezoidal |
| Recovery Type | Single-Deployment |
| Motor Class | H550DMS |
| Length(mm) | 900 |
| Inner Diameter(mm) | 112 |
| Outer Diameter(mm) | 114 |
| Body Thickness(mm) | 2 |
| Mass (Motor included)(g) | 3622 |
| Center-Pressure(Nose)(mm) | 67.6 |
| Center-Gravity(Nose)(mm) | 58.5 |
| Delay (Set-charge)(seconds) | 7.52 |
| Velocity(Rail)(m/s) | 27.6 |
| Vmax(m/s) | 75.6 |
| Amax(m/s) | 155 |
| Appogee(m) | 306 |