My friend Dan Jenkins who lives in Idaho, had purchased plans and a materials kit for a miniature Launch Engine from Little Machine Shop in California. Dan finished his engine a couple months ago, and he thought I ought to look at the plans, so he mailed them down to me. They arrived just as I was finishing up on the Gyro Governor project, and being without a workshop project I immediately started to work on it. It was a quickie job and took less than a week, even though I only worked on it a couple hours a day. A few things were changed from the plan to accommodate materials that I had on hand, and the diameter of the rotary valve was reduced, I certainly did not want to experience another problem like I had with the Comber engine of several weeks ago. Other than that I followed the plan. This little engine took off running the first time air was applied, and it runs equally well in either direction depending on which port is hooked to the supply. Fun little engine for "Show and Tell".
It has already been placed on a display shelf along with some other similar sized models. Below is a video showing the little Launch Engine in action.
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