Would a pop pop boat be more efficient without reservoir compression?

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SUMMARY

The discussion centers on the efficiency of pop pop boats in relation to reservoir compression. Participants assert that the compression is essential for the operation of these boats, as it facilitates pressure changes necessary for propulsion. Without reservoir compression, the engine would not function effectively, as the mechanism relies on the rapid expansion of steam to generate thrust. The conversation highlights the importance of understanding the underlying principles of pressure dynamics in pop pop boat design.

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wouldn't a pop pop boat be more efficient without the compresion of the resivour?
 
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I think a better question here is "would it still work without it?".

I've never heard of these boats before and I looked up the basic principle and it seems relatively simple. Rather similar to how a pulse jet works.

You need the pressure changes otherwise the engine won't work.
 
yes but when the water flashes into stem all it is doing is pushing on the tin. as a result the tin pops out. when it pops out it loses force to the water being expelled. right?
 

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