Could a split cycle intercooled flamelicker have been a viable power source?

Flame lickers work by sucking hot air into a cylinder and then relying on the cooling of the air by the cylinder wall to create a partial vacuum to pull the piston back.

see video

In an alternate time line, could this engine cycle be improved by splitting the intake stroke and the exit stroke between two separate cylinders. The exit stroke would be using a smaller cylinder, and between the cylinders would be an intercooler.

This would increase the surface area which cools the gas* and reduce the repeated heating and cooling the piston and cylinders**.

Or has this engine already been invented?

*the intercooler would have a much larger surface area than the cylinders

**like the early steam engines

posted over 5 years ago

tobe‭

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