Activity

How about a “In Progress” forum for peeps to post pics and info on projects currently under construction??

John and I lost a 38mm rocket from about 6000 feet at the north site. It weighed in at about 2lbs, and had a large mylar streamer for recovery, so it should be fairly close to the pad. It was…   Read more»

I’ve called all the sporting goods and gun shops around here in Littleton and none of them carry BP. Anyone know where a place to get it is?

I have been trying to use a finish epoxy for the final coat on my Nike Smoke fins. The fins are fiberglass/balsa/g10 and vacuum bagged. They came out great. I then wanted to use a thin layer of pigmented epoxy…   Read more»

For my L2 flight I will be using a J350 (big surprise ). In the past, I have always used motor ejection, and will be for this flight as well. My question is, can I assume the BP charge…   Read more»

I would like to propose a contest and start some discussion.I have been reading about the Mach 9 motors that Aerotech is putting out. I was thinking how difficult it will be to make a rocket that can survive such…   Read more»

Hi, I’m writing a paper for school about hobby rocketry and was hoping that someone could give me some information about the club.1. How many members does NCR have?2. How many people typically show up to a launch? I mean…   Read more»

In my preparation for MHM, I noticed the AMW 75mm casing I borrowed is missing the “nozzle washer”. Can someone bring a spare that I can borrow? I’m hoping I could get it from Wildman but I would like to…   Read more»

A while back, I found a 40-120 case at the Atlas site. It was rather old looking, and had enough stuff on it that it must have been left there last fall at the latest. If anyone knows whose it…   Read more»

After some soul searching, I have decided to try my L3 cert with my 4 ” sustainer instead of the 6″ stretched booster. Sims to about 18k and per NAR regs will be backed up the wazoo. Wondering if anyone…   Read more»

Did I hear correctly AT has certed a J1400 and J2000 using the warp 9 propellant?JS 8)

How do I determine the size (diameter and length) needed for a launch lug? I’m building a new design using a 4″ tube approximately 48″ in length. Total length of rocket will be about 64″. Three clustered G motors.Any help…   Read more»

It’s my understanding that we can only use an altimeter for altitude verification and not for deployment? Is that correct? If one runs software and finds that his or her altitude requires a delay longer than the motor provides (10…   Read more»

I mistakenly left my work gloves (leather) at the cleaning party. If anyone finds a pair left over without their owner, that would be me. If you find them, just bring ’em along to MHM. Thanks!

How do you choose one? I’ve never used one and so it’s kinda hard to decide what is important and what isn’t. I’m not looking for alot of bells and whistles, but something that will reliably function for my first…   Read more»

Well I know that Mayhem around the corner and im flying my biggest rocket ive ever constructed. And sadly enough im stubbern as a donkey and cant think of a name for it. If you guys can through out ideas…   Read more»

Just got a helpful reminder that anything in excess of 25k needs TRA prior approval. I plan on nothing that high. Seems to me Pat G mentioned something about a 75 percent rule–anyone knows what that means?JS

For those of us w/o a leup, who has one and is planning on being there pretty much fri-sun?J

Anybody have any workable suggestions for cleaning the black powder stains off Nomex chute protectors and harness lines? Carbon is not water soluble, but there must be a way… after all, we get it off our hands, in time. Thought…   Read more»

hmm – looks like the forum clock never adjusted to daylight savings. It’s an hour off for me. Anyone else having this problem?