[RocketsNW] Rocket Flight Log

[Dennis S Winningstad]

I like marking the CP, but the CG can vary quite a bit, so just balance with
a finger to see if/how far ahead of the CP the current CG is...eh?

Dennis S Winningstad
503-781-3529


-----Original Message-----
From: rockets-bounces at rocketsnw.com [mailto:rockets-bounces at rocketsnw.com]
On Behalf Of Schurke, Peter
Sent: Monday, February 01, 2010 9:47 PM
To: rockets at rocketsnw.com
Subject: Re: [RocketsNW] Rocket Flight Log

When some of my students are flying, the most important thing is "has the
motor actually been installed in your rocket, or are you carrying an empty
shell?"  (They've been known to get nervous...and forget things....)
 
Peter Schurke
Science and Engineering Teacher, Lead Advisor
Ingraham Aerospace Sciences Academy
Ingraham High School
1819 N 135th St.
Seattle, WA  98133

________________________________

From: rockets-bounces at rocketsnw.com on behalf of Fred Azinger
Sent: Mon 2/1/2010 9:36 PM
To: 'Dave Randall'; 'Paul Bowers'
Cc: 'NW Rocketry Email Forum'
Subject: Re: [RocketsNW] Rocket Flight Log



Most important thing to know is how to confidently slide past the RSO and go
to the pad with a look of confidence.... ;-)

(Just Kidding)
FredA


-----Original Message-----
From: rockets-bounces at rocketsnw.com [mailto:rockets-bounces at rocketsnw.com]
On Behalf Of Dave Randall
Sent: Monday, February 01, 2010 6:37 PM
To: Paul Bowers
Cc: NW Rocketry Email Forum
Subject: Re: [RocketsNW] Rocket Flight Log

There are a couple of aspects to your question.  First is the safety
aspect. For that, you want to know:

1. Where is the CP?
2. Where is the CG?
3. What is your expected altitude?
4. What is the thrust to weight ratio?
5. Has it flown before in the same configuration?

Items #1 and #2 should be ideally documented (marked) on your rocket.
Makes it real easy for the RSO.  The other items come from RockSim (or
other software you're using) and experience flying the rocket.

For your own purposes, it may be more interesting to keep track of
performance of the rocket in terms of altitude, velocity, total flight
duration, and flight success, etc... Photos are always well
complimented with a statistics table.  See
http://vernk.com/FITS2009.htm for an example of data & photos &
post-launch writeups done well.

While not particularly consistent from one launch to the next, I try
to keep my electronic organizer with me in the field for my flight
log.  I simply have a small text file that I log the rocket, motor and
altitude.  Most of my altimeters are recording altimeters, so I
download the files after flying and sync up the rocket information
with the altimeter data on the computer.

Hope that helps, and I'm sure others will have some more great ideas...

Dave


On Mon, Feb 1, 2010 at 3:40 PM, Paul Bowers <padapolis at hotmail.com> wrote:
>
> What data do you record in your flight logs?
> And what do you use to record your flight data?  (Scrap Paper,
Spreadsheets, Dedicated Software, etc...)
>
> I'm getting back into the hobby and would like to eventually build high
power rockets.  I want to get into good data collection habits now, that way
when I do need to present any of it to an RSO for inspection I'll at least
look like I know what I'm doing.  For me a software solution would be the
most fun and it would give my prep area more of a launch control feel to it.
>
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--
- Dave
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