Yes Adam, there is a lot of wasted space inside the stack area, and like you implied, they used a very large diameter mandrel to bend up the coils (tube-in-tube coaxial design).
Polizei -- Long time no hear from. How are your projects going? And yes it does make a difference using a rotary vs a reciprocating compressor when it comes to efficiency.
But the cart still rolls better, uses zero power, and doesn't require any ozone depleting or greenhouse potential gases![]()



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