Physics of hydra tube draws w diff water lvl

MinnBobber

Well-Known Member
Hi,
Hydratubes draw way different with changing water levels.
For me, way easier draw with more water
added. That seems backwards???

Why do hydra tubes (and dab rig style?)
draw easier with more water? So way harder draw with lower water.
What is the physics on that ?

Example is my miniVAP and hydra tube draw really really easy, no restriction with high water. And vapor gets more moisture added with high water.
Low water just over perc inlets was way way way harder draw, felt like I was bustin a lung !

Why so???
 
MinnBobber,
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