11226012_10206742333029353_3994045669210634106_n.jpg
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RocketBaby Nutcracker
Launches3
Flight StatusSuccess
Event
20150912.pngNEFAR-TRA Research Launch 2015-09-12
Altitude877 ft
267.31m
Velocity167 MPH
268.87km/h
Wind Speed10.0MPH
16.10km/h
S 180°
Weight0.35lb.
158.76g
StageMotor
1 E9-6

Baby Nutcracker-Three Great Launches

2015-09-12 16:25:00Z

Stratologger

Likefileicon BabyNutcracker20150912.pf2

Description

Three great launches today, a fairly strong wind - I'd say 10mph or higher.

On the first flight, I put a stratologger (for use as just an altimeter) in the rocket, as I could not find my Jolly Logic. For an Estes style rocket, this was way to much weight with a 9V battery. If I had more time, I would have rigged up something with a button battery. It went around 690 feet up due to weight and wind - PF says higher - 721 feet, but it's just static from ejection charge - if you look at the data. 165mph. I had estimated 800 feet.

For subsequent flights, I borrowed Freddy's Jolly Logic II - Thanks Freddy!

Flight details:

  1. My estimate: 800 feet. stratologger - 690 Feet, 165 mph, 23.3 feet per second descent
  2. My estimate 900 feet, Jolly Logic II - 877 Feet, 167 mph, 21 feet per second descent
  3. My estimate: 900 feet, Jolly Logic II - 889 Feet, 170 mph, 23 feet per second descent

I'm looking forward to seeing how high this goes without wind!

Photos thanks to Freddy Willems
Last set of photos (close-ups of launch) thanks to Paul Stohr

 

Video


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