Mike Debreceni (MarmotFL on YORF) has taken the Jonathan Mills Cyclone design to new heights - as an Egg Lofter! Here's Mike's l...

The CYCLONE Kits are now available! If you've been following this blog, you should know this rocket well. It was designed by Jonathan ...

Here's the finished CYCLONE! The longer adapter / coupler needed a wrap of masking tape for a good fit. Be ready, the performance of th...

While the instructions don't say to do so, I rounded the leading and trailing edges of the fins before gluing them onto the lower body t...

This is from a little farther along the build. I didn't get a picture of the engine mount glued in the lower, shorter BT-20 tube. At thi...

A 1/8" wide slit is cut in the BT -5 for the engine hook, 3/16" from one end. The engine block is glued in place and rests agains...

Right now I'm on a cruise ship going down the Mexican Riviera. Internet connections are slow on board the ship, so only one posting. On ...

The launch lug is glued beside the spar, even with the end of the body tube. To protect the base of the nose cone from the ejection charge, ...

The main fin is glued between the spars. Clothes pins were used again to clamp the fin in place while the glue dried. The dowel is glued on ...

The instructions specify a 15 degree angle of the spar. This is critical! You can have a variance of + or - 1 degree. If the angle is much w...

When sandwiched together, the spar is 3/16" thick. While it could have been glued to the body tube as is, I wanted a better root edge f...

The fin spar spacer is glued between the two long fin spars. I cut mine a little oversize so I could sand it down to the outside edges once ...

First up, you are to punch a hole in the longer BT -20 for an ejection charge vent. This went much better than I thought it would. The small...

Here's (almost) all the parts after cutting them out. The model will be built in two separate assemblies according to Mr. Mills instruct...

Here's one I found on Wayne Hill's Rocketry Blog at: http://rocketry.wordpress.com/ This is a fascinating model featuring maple seed...