R2K's High Power Rocketry Blog 
High Power Rocketry Posts
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]
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]
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]
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]
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]
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]
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]
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]
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]
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]
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]
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]
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]
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]
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]
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]
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]
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