All Rocketry Blogs

High Power Rocketry: Kosdon O-10,000 (2005-11-02)

This is a web page with the history of the O-10,000 motor. This high thrust 4 inch motor has been used quite a bit for large projects including the thunderbolt posted below. In addition, Rikki ... [Read More]

High Power Rocketry: Project Thunderbolt (2005-11-02)

This is a Frank Kosdon rocket. Two stage, O to M flight. The top speed was over mach 3.5, and altitude over 70,000 feet. Here is the O-10,000 booster stage in operation, that's over 2,000 lbs of ... [Read More]

High Power Rocketry: Mars project Phobos EAV (2006-01-22)

MARS is a British high power - amateur rocketry group. This project uses a kosdon O-10,000 (can you tell I am a bit obsessed with this motor?) and a boosted dart rocket. The goal first of all was to ... [Read More]

High Power Rocketry: Kosdon O-10,000 in a boosted dart (2010-06-27)

Altitude was not as expected because of a separation problem. Still, for an O, it did get some pretty decent altitude. Most importantly, the O booster did recover. Here is a post about the motor. ... [Read More]

High Power Rocketry: Freedom Phiter - 3x Kosdon motors (2010-10-11)

Additional footage of freedom phiter. This is obviously lifted from a Pad 39 productions video so it may not stay up forever. Got to love the scream this rocket makes on the way up. [Read More]

High Power Rocketry: MARS Kosdon O-10,000 boosted dart (2012-06-20)

Attempt at UK altitude record, failed to achieve expected 50,000+ feet, but still performed well enough at about 30,000 feet apogee. Previous article about this project. [Read More]

High Power Rocketry: Kosdon P 10,000 on Ebay (2012-08-10)

I took a short break from rocketry and wound up missing tons of crazy stuff!  Combine this kit with an all-motor N 5800, with a 20 second staging delay, and I think you could have a ... [Read More]

High Power Rocketry: Kosdon rocket with 20 second burn time (2012-12-27)

This makes the N1100 look fast! Put one of these as an upper stage to a faster N and 100,000 feet should be in the bag. [Read More]

Grover Aerospace: Some Old Photos From the Archive (2018-04-06)

Just came across some old pictures from Black Rock in 2000. This was one of my first trips out there with my pop, such great memories. Some notable moments were meeting Paul Robinson of Kosdon East ... [Read More]

High Power Rocketry: Phreedom Phiter (2007-11-28)

This great rocket, flown a few years ago, contains I think 3 Kosdon M-3000 motors, or something along those lines. Very nice sound, would have been better in person. No rocketry people are not ... [Read More]

High Power Rocketry: Some interesting searches to this page (2009-09-23)

These are from the past few hours: saturn 5 pictures how high does first stage rocket send space shuttle long high powered rocket high power rocketry altitude record kosdon rocket ... [Read More]

Rocket Dungeon: Rockets on Lock and Load (2009-10-24)

I just watched The History Channel's Lock and Load hosted by R. Lee "Gunny" Ermey. (on-demand)  Took a few notes and took some real-time 'screen snaps'.  This show is worth the price of ... [Read More]

High Power Rocketry: 4 to 1 (2010-01-05)

This image is from a post over at Randy's Rocketry about Hobby vs Amateur rocketry. I love this rocket, it reminds me of some rumors from the past where Dr. Kosdon had planned to fly three or four ... [Read More]

High Power Rocketry: Q motors! (2010-01-12)

Thanks to a post over at The Rocket Dungeon , we have a great new picture of a Q motor. This appears to be part of Beagle II, simulated below, which is designed to fly to as high as 250,000 feet. ... [Read More]

Rocket Dungeon: Hump day rocketry vacuum (2010-06-09)

Not much going on today in the Interwebs.  I was kinda down about not being at LDRS, which starts tomorrow (or today if this post is slow).  Should be interesting.  I've heard about ... [Read More]

Bayourat Aerospace Blog: Take A Quick Hop One Mile Up! (2010-10-17)

Flight Summary: The flight was a quick hop to 5,238' as reported by the barometric altimeter. The accelerometer calculated the altitude at 5,656' The motor was a Kosdon J450. The rocket was 2" x 64" ... [Read More]

Rocket Dungeon: Mega Review: Component Reviews (2011-01-13)

This is an aggregation of all my old EMRR reviews of miscellaneous components: Giant Leap Rocketry - Honeycomb Composite Fins Giant Leap Rocketry - Slimline Retainer (38mm) Hartle Engineering - Solid ... [Read More]

High Power Rocketry: OuR R motor project (2011-02-09)

About 13 years ago, this was the rocketry article that got me back into the hobby, and into HPR for good. It was my rebar moment. I walked into Barnes and Noble and saw a huge rocket on the front of ... [Read More]

High Power Rocketry: 100K rocketry challenge (2011-03-03)

(Kosdon Thunderbolt) John Carmack, of ID fame, is offering $5,000 for the first team to fly above 100,000 feet (done several times before) while meeting several other conditions: "You must ... [Read More]

Rocket Dungeon: Tuesday Missile-any (2011-04-12)

I see Loki Research will be sold to an employee and will live on. Dr. Frank Kosdon passed away last week at age 70.  RP has a nice article on his legacy . Hope the weather holds for ... [Read More]

High Power Rocketry: Frank Kosdon (2011-04-19)

Frank Kosdon passed a few days back. He is well known for rocket motors as well as a few rocket projects include the one pictured above (Thunderbolt.) Frank worked on the OuR project; something that ... [Read More]

High Power Rocketry: Two stage N to M rocket - 49,000 feet at Balls 20 (2011-10-12)

"The launch of my two stage rocket MinFluous at Balls20. 49K ft., Mach 2.7, CTI N3180 to Kosdon M1450, 84 lbs. All parts except one camera recovered. No structural damage." [Read More]

High Power Rocketry: Project Thunderbolt - O 10,000 to M 3,700 two stage rocket (2012-05-26)

Aluminum nosecone and transition - among the best options for high performance hobby rockets.  Perhaps only second to steel or exotic metals like titanium for overall performance and ... [Read More]