Northern Colorado Rocketry
2024-12-07 December

Atlas Site - Pawnee Grasslands

Saturday December 7th, 2024

Launch Summary

Regularly scheduled launch.  Dry conditions but high relative humidity and NO wind forecasted made for an exceptional December day on the prairie.  High, grey cloud cover slowly dissipated.  Thanks to Jim Hein and Jon Skuba for range set up. 

Members and Friends,
There was a scheduled Northern Colorado Rocketry launch event on Sat, 12/7 at the Atlas launch site. We were GO for Launch, subject to normal precautions. 

With no fire restrictions currently in place in Weld County or on the Pawnee National Grassland, Mother Nature cooperated.  There were partly cloudy skies, winds 4 to 10 mph and maybe temperatures reached into the fifties.   The waiver and range wase opened by10 AM and we lasted until 3 PM .We never ran out of motors, lost interest and the cold didn't chases us away,  This launch opportunity was for commercially approved motors only, up to and including K impulse, and all flights remained under the 12,000’ AGL ceiling.

An orientation briefing for participants was held and included a discussion of safety and emergency procedures, fire conditions and instruction, applicable rules and regulations, and what should be expected of participants with respect to the use of NFS lands under our special use permit.

Please note that all launch events are conducted using nationally approved/accepted range safety practices.  The launching of rockets on NFS land is normally prohibited under Forest Service regulations. The issuance of our permit allows launches to take place for approved launch events only.

As always, volunteers were needed to help with range set up, operation and clean up. Happy to see you out on the range.

Weather Conditions

Wow,  December weather without the cold and wind.  Warmed up quickly, maybe reaching the high fifties.  Cloud cover was hign and slowly dissolved over the hours, revealing blue bird Colorado skies.  Another awesome day on the Pawnee.

 


Flight Cards

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Flyer:
 Jim Hein
Level-2
Flight Impulse:
F 57.1ns
Bonfire:
30.0g 
Motor Configuration:
Single
Motor:
F35 24.0mm [AeroTech]
Weight:

30.0g

Case:

RMS-24/60

Mfg:

AeroTech


Recovery:
Parachute

Comments:

1st of the day


LCO / RSO:
JH
Flight Date:
2024-12-07
Flight Impulse:
C 8.82ns
Bonfire:
10.8g 
Motor Configuration:
Single
Motor:
C6 18.0mm [Estes]
Weight:

10.8g

Mfg:

Estes Industries


Recovery:
Parachute
Colors:
Green


LCO / RSO:
JH
Flight Date:
2024-12-07
Flight Impulse:
A 2.5ns
Bonfire:
3.3g 
Motor Configuration:
Single
Motor:
A3 13.0mm [Estes]
Weight:

3.3g

Mfg:

Estes Industries


Recovery:
Parachute
Colors:
Silver


LCO / RSO:
JH
Flight Date:
2024-12-07
Flight Impulse:
F 49.6ns
Bonfire:
28.4g 
Motor Configuration:
Single
Motor:
F27 29.0mm [AeroTech]
Weight:

28.400000000000002g

Mfg:

AeroTech


Recovery:
Parachute
Colors:
Blue/White/Black


LCO / RSO:
JH
Flight Date:
2024-12-07

Flyer:
 Chris Frazier
NAR Level-3
Flight Impulse:
G 118.8ns
Bonfire:
62.5g 
Motor Configuration:
Single
Motor:
G64 29.0mm [AeroTech]
Weight:

62.5g

Case:

RMS-29/40

Mfg:

AeroTech


Recovery:
Parachute
Colors:
Yellow/Purple


LCO / RSO:
JH
Flight Date:
2024-12-07

Flyer:
 Jon Skuba
NAR Level-3
Flight Impulse:
C 8.82ns
Bonfire:
10.8g 
Motor Configuration:
Single
Motor:
C6 18.0mm [Estes]
Weight:

10.8g

Mfg:

Estes Industries


Recovery:
Parachute
Colors:
Yellow/Green/Black

Comments:

Maiden Flight


LCO / RSO:
JH
Flight Date:
2024-12-07

Flyer:
 Chris Frazier
NAR Level-3
Flight Impulse:
G 118.0ns
Bonfire:
60.0g 
Motor Configuration:
Single
Motor:
G76 29.0mm [AeroTech]
Weight:

60.0g

Case:

RMS-29/40

Mfg:

AeroTech


Recovery:
Parachute
Colors:
Grey/Green


LCO / RSO:
JH
Flight Date:
2024-12-07

Flyer:
 Jon Skuba
NAR Level-3
Flight Impulse:
G 109.94ns
Bonfire:
59.7g 
Motor Configuration:
Single
Motor:
G78 29.0mm [AeroTech]
Weight:

59.7g

Mfg:

AeroTech


Recovery:
Parachute
Colors:
Orange

Comments:

Maiden Flight


LCO / RSO:
JH
Flight Date:
2024-12-07
Flight Impulse:
E 27.87ns
Bonfire:
35.8g 
Motor Configuration:
Single
Motor:
E9 24.0mm [Estes]
Weight:

35.8g

Mfg:

Estes Industries


Recovery:
Parachute
Colors:
Blue/White


LCO / RSO:
JH
Flight Date:
2024-12-07
Flight Impulse:
E 25.66ns (Equivalent Impulse)
Bonfire:
31.9g 
Motor Configuration:
Staged
Motor:
D12 24.0mm [Estes]
Weight:

21.1g

Mfg:

Estes Industries

Motor:
C6 18.0mm [Estes]
Weight:

10.8g

Mfg:

Estes Industries


Recovery:
Parachute
Colors:
lots


LCO / RSO:
JH
Flight Date:
2024-12-07

Flyer:
 Jim Hein
Level-2
Flight Impulse:
H 165.0ns
Bonfire:
90.0g 
Motor Configuration:
Single
Motor:
H165 29.0mm [AeroTech]
Weight:

90.0g

Case:

RMS-29/180

Mfg:

AeroTech


Recovery:
Parachute


LCO / RSO:
JH
Flight Date:
2024-12-07
Flight Impulse:
D 16.84ns
Bonfire:
21.1g 
Motor Configuration:
Single
Motor:
D12 24.0mm [Estes]
Weight:

21.1g

Mfg:

Estes Industries


Recovery:
Parachute
Colors:
Green/Red


LCO / RSO:
JH
Flight Date:
2024-12-07

Flyer:
 Tim Fischer
NAR Level-2
Flight Impulse:
H 320.0ns
Bonfire:
145.0g 
Motor Configuration:
Single
Motor:
H550 38.0mm [AeroTech]
Weight:

145.0g

Case:

38/360

Mfg:

AeroTech


Recovery:
Parachute,Dual Deploy
Colors:
Red/White
Main:
@ 700 ft

Comments:

Maiden flight 1300' expected   15" drogue  60" main


LCO / RSO:
JH
Flight Date:
2024-12-07

Flyer:
 George Barnes
TRA Level-3
Flight Impulse:
K 1762.0ns
Bonfire:
871.1g 
Motor Configuration:
Single
Motor:
K805 54.0mm [AeroTech]
Weight:

871.1g

Case:

RMS-54/1706

Mfg:

AeroTech


Altitude:
4,330 ft  
Recovery:
Parachute,Dual Deploy
Colors:
Red
Main:
@ 900 ft

Comments:

CSU USLI Sub Scale  Expected Altitude 4318'


LCO / RSO:
JH
Flight Date:
2024-12-07
Flight Impulse:
D 16.84ns
Bonfire:
21.1g 
Motor Configuration:
Single
Motor:
D12 24.0mm [Estes]
Weight:

21.1g

Mfg:

Estes Industries


Recovery:
Parachute
Colors:
Green


LCO / RSO:
JH
Flight Date:
2024-12-07
Flight Impulse:
F 62.19ns
Bonfire:
43.1g 
Motor Configuration:
Single
Motor:
F26 29.0mm [Estes]
Weight:

43.1g

Mfg:

Estes Industries


Recovery:
Parachute
Colors:
Red/Blue/Yellow


LCO / RSO:
JH
Flight Date:
2024-12-07
Flight Impulse:
F 49.6ns
Bonfire:
28.4g 
Motor Configuration:
Single
Motor:
F27 29.0mm [AeroTech]
Weight:

28.400000000000002g

Mfg:

AeroTech


Recovery:
Parachute
Colors:
Purple


LCO / RSO:
JH
Flight Date:
2024-12-07
Flight Impulse:
I 328.7ns
Bonfire:
193.2g 
Motor Configuration:
Single
Motor:
I161 38.0mm [AeroTech]
Weight:

193.2g

Case:

RMS-38/360

Mfg:

AeroTech


Recovery:
Parachute

Comments:

JLCR@500


LCO / RSO:
JH
Flight Date:
2024-12-07

Flyer:
 Chris Cooley
Level-3
Flight Impulse:
J 671.0ns
Bonfire:
381.0g 
Motor Configuration:
Single
Motor:
J520 38.0mm [AeroTech]
Weight:

381.0g

Case:

RMS-38/1080

Mfg:

AeroTech


Recovery:
Parachute,Dual Deploy
Colors:
Orange
Main:
@ 500 ft


LCO / RSO:
JH
Flight Date:
2024-12-07
Flight Impulse:
F 51.75ns
Bonfire:
30.0g 
Motor Configuration:
Single
Motor:
F20 29.0mm [AeroTech]
Weight:

30.0g

Mfg:

AeroTech


Recovery:
Parachute
Colors:
Blue/Silver


LCO / RSO:
JH
Flight Date:
2024-12-07

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