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Anybody want to build one of these?

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M

Manticore

Just came across this website: Aircraft
Here's an example:
pulsejet.jpg
Valveless Pulsejet Engine

A pulsejet engine is an extremely simple engine but the problem is the stress placed on the valves causes them to wear out very quickly. To solve the problem this Valveless Pulsejet Engine was designed without any valves, in fact it has no moving parts at all. This engine is so simple that almost anyone can build it with a few simple household tools and without welding any parts together. Starts with a push of a button and will easily throttle from idle to maximum power. This design can be made larger or smaller depending on your requirements. Plus, included is a simple modification that is used in our other engines, you can almost double the thrust. Plans Only.
(My emphasis.)

& here's a real one:
jims_valveless_pulsejet_engine.jpg
 
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