[RocketsNW] Rocket Flight Log

[Don Harris]

You are correct as usual. Doesn't make since to mark the CG when it's going to change every time you put a different motor in it. But to please the parties that be; marking it without a motor in it couldn't  hurt...

Don
 
Sent from my Verizon Wireless BlackBerry

-----Original Message-----
From: Dennis S Winningstad <winningstad at comcast.net>
Date: Tue, 2 Feb 2010 16:44:46 
To: <pmschurke at seattleschools.org>; <rockets at rocketsnw.com>
Subject: Re: [RocketsNW] Rocket Flight Log

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 <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 <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 <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.
 >
 > _________________________________________________________________
 > Hotmail: Trusted email with powerful SPAM protection.
 > http://clk.atdmt.com/GBL/go/201469227/direct/01/ <http://clk.atdmt.com/GBL/go/201469227/direct/01/> 
 > _______________________________________________
 > Rockets mailing list
 > Rockets at rocketsnw.com
 > http://mx1.blastzone.com/mailman/listinfo/rockets <http://mx1.blastzone.com/mailman/listinfo/rockets> 
 >
 >
 
 
 
 --
 - Dave
 _______________________________________________
 Rockets mailing list
 Rockets at rocketsnw.com
 http://mx1.blastzone.com/mailman/listinfo/rockets <http://mx1.blastzone.com/mailman/listinfo/rockets> 
  
 
 _______________________________________________
 Rockets mailing list
 Rockets at rocketsnw.com
 http://mx1.blastzone.com/mailman/listinfo/rockets <http://mx1.blastzone.com/mailman/listinfo/rockets> 
  
 
 
 _______________________________________________
 Rockets mailing list
 Rockets at rocketsnw.com
 http://mx1.blastzone.com/mailman/listinfo/rockets <http://mx1.blastzone.com/mailman/listinfo/rockets> 
   
 
 _______________________________________________
 Rockets mailing list
 Rockets at rocketsnw.com
 http://mx1.blastzone.com/mailman/listinfo/rockets <http://mx1.blastzone.com/mailman/listinfo/rockets>