Model Rocket Building Blog

Model Rocket Building Posts

Sport Rocketry / Cold Power Rockets

Vashon Valkyrie 2 on Ebay (2014-04-10)

  This one brought me back! I bid on this one - up to $150.00, that's a lot for me. I didn't get it, the winning bid was over $281.00. This is a rare one, unbuilt with launcher and ... [Read More]

Coldpower Convertibles? (2017-01-02)

Dave Oplinger posted a question on the Model Rocketry Fanatics Facebook page: "So, what was the deal with these cold propellant engines that Estes had at one time? Did anyone have one? How did they ... [Read More]

Some Vashon Videos and Links (2017-05-31)

While doing some searches for Vashon Cold Propellant (Freon) Rockets I came across this website: http://www.videorocketry.com/Vashon/vashon.html It looks like it is linked to the Clay Brothers Video ... [Read More]

Cold Propellant Model Rocket Safety Code (2018-09-10)

In the blog comments, a question came up about substantial metal in a Vashon model rocket. Tom's comment:  "I was under the impression that metal body tubes weren't allowed . . ." My response: ... [Read More]

Estes Honest John to EAC Firecat? (2020-03-18)

After looking closer at the Estes E.A.C. Firecat kit, I thought at first the fins might be from the old K-27 Honest John kit. The instructions have you cut up the HoJo die-cut balsa to make the ... [Read More]

Comparing the Vashon Jet Powered Planes (2021-02-04)

Vashon Model Rockets have always held a special place for  me. In 1969 they were the only rockets we could launch in California. The state's black powder fireworks regulations were strict! ... [Read More]

Letter about Vashon Models (2013-06-09)

Here's a letter of response about the old Vashon Rockets. I thought it might be interesting for the blog. The illustration at the right was almost the same Sears catalog listing I ordered my ... [Read More]