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If I read it right, this thing has a 1.21" OD. Did Estes acquire someone else's 29mm motor tubes? What BT designation (if any) are they giving 'em?

What sort of Rocketeer are you (Part 2)? What is your primary focus in rocketry?

I acquired a 3" Bertha a few years back. It needs some work but I've decided to scav its nosecone for the WM 3" Andromeda. Any idea where I'd be able to find a replacement when I get around to refurbing the Bertha?

RockSim has stopped working for me in Win10. A file called WerFault.exe fires (according to Task Manager) and then stops. No error message or anything.

The Cub Scout pack I'm mentoring next week will be building the Custom Rockets Screamer. Does anyone have a set of instructions they can post for me? I've contacted Custom and they said since it's OOP, they don't have any. It's not on JimZ or RocketReviews either... thanks,

So we stopped in Office Max to look at a new desk for the boy... Didn't buy anything and made our way to the door. The wife and daughter were already out when I did a heel-spin and asked about a shipping tube that I saw in the corner. Turns out their big banners were shipped in it and they...

I've been asked to do a build thread on the EXA rocket by Klima. When Raketenmodellbau Klima GmbH in Emersacker was built in 2004-5, the 'cornerstone' of the structure was added - a 10m tall Red Rocket called the EXA Air Missile. Its upper third protrudes from the top of the structure while...

Does anyone have good scans of this? I got the BT-55-based nosecone in the Sci-Fi NoseCone assortement and would like to downscale Cosmic Interceptor from 2" to 1.33"

Condolences to Ken Allen, we just got word that his father passed away today.

So Tom, the club President, and I were drag-racing Der Red Maxs on C6-5s. Mine got the lead, blew across his bow and left a scortch mark on one of his fins. I'm going to coax him into posting a pic. Has anyone had mid-air collisions, scortch-marks or external ignitions? Stories and/or pics!

A work in progress from our database...

One of our club kids is doing a science fair project on the effect of canted fins on altitude. His mother just ordered 6 Estes Monarchs (7214) and I told her I'd create templates to curve the root edges of the fins to accommodate the cants. Can anyone provide the length of the root edge so I...

I regularly fly a Sunward Eruption that was given to No2son, who doesn't have time for rockets now. The rocket takes 4 18mm motors, so I bought 3 packs of Estes C6-7s the other night at HobbyTown USA. In opening the packs and transferring the contents to my field box, I noticed that the...

Here are the basics for laying out a cone when you don't have access to the wonderful online tools that have been presented elsewhere on the forum (or don't have access to a printer capable of handling the output thereof!) You'll need a compass and a ruler (or, if you have drafting tools, a...

As reconstruction on UFO Invader x4 was winding down, I began scoping the Next Big Project. The loss of one of my favourite rockets to bay-effect winds clinched the deal. I would upscale Estes Alien Invader. 4x was a no-brainer scale for me – plenty of room and plentiful components. The...

Enjoy 4th of July at the Beach – Fly on the 5th & 6th! The SouthEastern Virginia Rocketry Association (SEVRA) invites you to bring the whole family for a holiday weekend at Virginia Beach, VA. The region offers many places to stay, eat, visit, and enjoy (Beaches, Golf, Fishing, Military...

In RockSim, when I Export Template on a nosecone, in CSV Format, I see expected data except for the 'R' column. What is this? It shows values that start at 0, bounce around 32.45, then back down to 0. Any idea?

One of the guys in the club had his kid launching one of these from the MDRA Bucket Rockets. They liked the idea but never were able to grab the kit. They found the instructions, so I worked up a sim for it. Now they're going to do a 4x Upscale...

It's starting to come together...

So I'm researching Quest Mirco Maxx motors and end up on the Discount Rocketry website (https://www.discountrocketry.com/quest-micro-maxx-motors-p-469.html) Nice pic but I'd like to read the packaging... (Click to Enlarge) er... What the....??? Maybe it's just my graphics, but the...