Here are a couple videos of pulse jet engines
being run. The top one is a home-made pulse jet engine mounted on an R/C Long EZ.
The bottom video presents a short tutorial on how the Dyna-Jet is built, how it
is made, and how to start it.
Back in the 1950s, a company named Curtis Automotive Devices manufactured the
now-converted Dyna-Jet engine (they typically sell for >$400 on e-Bay - if you
can find one). Are they still around today? Yep, only the company name is now
Curtis Dyna-Fog. One of the first pulse-jet products aerospace engineer Russell
Curtis produced was the Dyna-Jet "Red Head" miniature engine for use in
model rocketry (per their website).
This advertisement was scanned from page 57 of the June 1957 edition of American
According to the U.S. Bureau of Labor Statistics'
inflation calculator the $35.00 price in 1957 would be $339 in 2021 money.
Below is the e-Bay auction mentioned.
Articles About Engines and Motors for Model Airplanes, Boats, and Cars:
Posted October 20, 2021
(updated from original post on 11/27/2010)