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Three Station Tracking - Altitude Only Method

In the "Handbook of Model Rocketry" By H. Stine there is mention of a 3 station tracking method to determine the altitu...
11 comments posted 20yrs
posted by nycz
11 comments posted 20yrs posted by nycz

Estes Gyroc

I found copies of the plans for the Estes Gyroc online. My brother had one of these when we were kids and I'd like to t...
13 comments posted 20yrs
posted by djb
13 comments posted 20yrs posted by djb

Estes Maxi Launch Rod

How long is the Estes 3/16 in. (5 mm) MaxiT launch rod? I 'd like to see if I could pick up a suitable rod in the local...
4 comments posted 20yrs
posted by djb
4 comments posted 20yrs posted by djb

Rocketcad?

Anybody have a copy of Rocketcad they'd like to share?
3 comments posted 20yrs
posted by ericrab
3 comments posted 20yrs posted by ericrab

Anybody up for it?

http://www.cosmopod.com/mysite/bart/trike2.JPG Was wondering if anyone wants to donate some rocket motors to kick this...
11 comments posted 20yrs
posted by sorry
11 comments posted 20yrs posted by sorry

2 liter soda bottle rocket plans?

Does anyone have plans for a 2 liter soda bottle rocket that used a black powder motor? I vaguely remember a rocket like...
0 comments posted 20yrs
posted by ericrab
0 comments posted 20yrs posted by ericrab

Car and Deep Cycle (Including SLA) Battery FAQ

The Car and Deep Cycle Battery FAQ has been updated. The most current version is 5.6 and can be found on www.batteryfaq....
0 comments posted 20yrs
posted by info
0 comments posted 20yrs posted by info

lost NAR numbers...?

so if I lost my NAR number how do I get it back, and I wonder if my certs will be any good...
7 comments posted 20yrs
posted by sadasdad
7 comments posted 20yrs posted by sadasdad

Aerotech thread

Can anyone tell me what the thread in the end of the 75mm DR rocket/areotech forward closure is - its about 3/8 or 10mm,...
0 comments posted 20yrs
posted by rocketry
0 comments posted 20yrs posted by rocketry

chute lines

I have a 17 foot chute that the lines seem to have been cut near the original harness to attch to the payload. How may...
1 comments posted 20yrs
posted by nitram578
1 comments posted 20yrs posted by nitram578

fa: more foam swingers

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=6056946899&rd=1&sspagename=STRK%3AMESE%3AIT&rd=1 DGH
2 comments posted 20yrs
posted by dholverson
2 comments posted 20yrs posted by dholverson

JI nominated to head the CIA

"He's lied, he's cheated, he screws Americans and non Americans alike.. Who would be better to run the CIA?", said GW i...
9 comments posted 20yrs
posted by Reply
9 comments posted 20yrs posted by Reply

help with designing a rocket

I have a really cool idea for a rock I want to build, but I have no clue how to do some stuff for it. What I want to bu...
8 comments posted 20yrs
posted by phi1618man
8 comments posted 20yrs posted by phi1618man

So............ what is all this interest

in what I am doing. I am busy making rocket engines in between cell searches and mandatory inspections and formations h...
28 comments posted 20yrs
posted by 01
28 comments posted 20yrs posted by 01

Job Opening at Estes (posted by their request)

BLACK POWDER ENGINEER Description of Responsibilities: a.. Plan, interpret, organize, test and execute special assignme...
0 comments posted 20yrs
posted by fred.e.shecter
0 comments posted 20yrs posted by fred.e.shecter