Model Forum / General / Rockets / May 2004

That's it...We've had it...
I've tried to keep up with all of the politics as well as opinions on RMR...
some good... some not so good...but that's just it... It's 99.784329%
opinions... everybody has one...

I thought this was pretty good...
http://www.al.com/news/huntsvilletimes/index.ssf?/base/news/1083948384162290.xml
tah
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As I begin to build my PML Sudden Rush for a NAR L2 certification, I'd like
some assistance...
Does anybody have any suggestions on testing methods for determining if your
ejection charge is sized right?

Has anyone ever considered using the rechargeable Versapack batteries in
rocketry? These are the ones that power B&D hand tools. They seem relatively
compact, can apparently provide a bunch of current (They turn motors nicely)
and are about as plentiful as flame posts on RMR.

anyone know where there are some good pictures of the patriot? every one
I've searched for tends to show it being launched or shows the whole system.
no details or closeups of the missile itself

From ROL:
-----Original Message-----
From: Mark B. Bundick [mailto:xxxxxxxx.net]
Sent: Saturday, May 08, 2004 4:45 AM

I remember reading about this in an issue of SR a while back, but
since have mis-placed the magazine.
Anyone tried this?
The reason I'm asking is I've been tapped to conduct a rocket launch

You know, it occurs to me that right now would be the best time there could
be to have a pow-wow with the BATFE maggots and come up with a solution
that satisfies both groups before we have to go through the whole legal
muck again.

What type of brush is the best for applying epoxy to tubes when
fiberglassing?
I used a cheap disposable bristle brush from Home Depot on my last rocket,
but it left lots of bristles on the rocket.

I was attempting to fly my Aerotech Sumo today on a Aerotech G35-4W. When
the launch button was pressed there was a loud pop and that was all. At
first I thought it just spit the igniter but when I went to remove the
motor, about the back 1 inch of the motor came out with the ...

A while back the big news was the Rocket Rover Lander Challege ... I
believe entries were to be closed on June 30 and Judging in July ....
I haven't heard any updates?  is this happening or not ?  how many
entries and is there a webpage with their progress like descon or

Can anyone point me at some information on how I might build an electronics
package for D range motors that could have a parachute recovery booster
section and an electronically started second stage?  What about timed
ejection of the primary recovery system?

Anyone know where I can 13mm, 18mm and 24mm tubing sizes?
- alex

I need to calculate what G force a flight achieves.
Ive forgotten the equation.? Anyone help.?
KT

So I'm almost done with my first scratch built and designed rocket, but have
a question.  What method would be best to attach 100# test kevlar thread to
a 29mm phenolic PML body tube?  The rocket is 36" long with a PML urethane
nose cone, and TTW fin mounting to a 24mm MMT.  The ...