Model Forum / General / Rockets / January 2005

I am looking for an accurate .eng file for the Aeortech J570. Can anyone out
there direct me to a good file for this motor.
Thanks
Mark A Palmer

At least when someone posts here, you can OCCASIONALLY get some good tech
info... B^P
Here's a prime example of the blind leading the blind and how "fortunate" we
are (Note: If you can keep your burrito down, just read the first page.)

I know this is a bit off topic...but I've got trouble!
The kids went to start their computer this morning, and it won't accept a
logon.
The system is XP Pro - no service packs on it.  It gives the error "the

Also if you certify with either NAR,CAR or TRA then you can launch at
your cert. level at launches in the UK when you join as a tempory UKRA
member.
Unfortunately we don't have the altitude ceilings you guys do or the

I just bought a new Estes Executioner rocket and unfortunately damaged
the BT-80KD & JT-80L.  I was curious if someone could tell me the
difference between a regular BT-80 and the KD?  Also, if anyone knows a
good source to acquire these two pieces, I'd appreciate it.

I'm looking for a club or people in Livingston Mt (or close by) for a BAR to
go flying with and talk rockets.  Anyway up for it?
Thanks!
--Scott

For those rocketeers with a decent 6" scope, it's a great night to see comet
Machholz.
It's just past the Pleiades almost directly overhead at 9:00pm local.
Randy

Does anybody have a link or info on this company and the EX motor cases they
make ?  They are called DPS or Dynamic Propulsion Systems .
Thanks,
Jeff

Click on it.
http://www.estesrockets.com/
Stop bitching.
;-)

I read that once you certify with either NAR or Tripoli for HPR the other
other organization will recognize the certification. I also read that that
could change in the future. Is there any advantage joining and certifying
with one or the other? What is the difference?

Speaking of altering a motor, how technical does it get?
What about adding a little 4 F, as suggested by several people when I was
looking for an aid to staging to a small diameter nozzle? I added a small
amount of crushed bp to the top of a C6-0 and it worked. No problems with

Is it my imagation, or are they using a Fat boy ???
http://www.jpl.nasa.gov/missions/mer/images.cfm?id=1435

I am building a LOC/Precision EZI-65, which I plan to use for Level 1 and 2
certification.  The demo model I saw had some type of contraption that used
two small wing-nuts to secure diferent size mounts in the main motor tube.
Might any one have a link to a drawing of something ...

Has anyone seen a good website that has tips on building an electrinics bay
from scratch? I am looking to build a 3" and a 4" electronics bay (two
seperate rockets) that will house one or two altimiters for dual deployment.
Also,

Don,
John says we can come by Monday and see what he has to offer. How does 7:30pm sound?
For nosecones, he has an attachment for a lathe.  A router is numerically controlled to sit above the lathe and run from one end to the other, going up and down with the outline of the ...