Topic: air/oil separation

[Captain]

A couple of pictures of the catch tank.

 Captain

[MessnerMoto]

I need to ask. What is the function of a catch tank? Thx

[Captain]

I need to ask. What is the function of a catch tank? Thx

 Two reasons..............

 (1) A catch tank is mandated in the rules and regulations we run under.
 (2) As we are required to have one then I designed it to be the most effective possible. The canister is large in volume so "IF" any oil made its way to the catch tank the air movement would be so slow that any oil will drop to the bottom and drain back to the main tank. The reality in a healthy engine is that nothing really ever gets back there. Certainly in our case it doesn't.
 Something else that is different about it is that it is made from plumbers PVC tube and glued together. Cost is almost nothing, is super light weight, oil resistant, tough and robust, hard to break or crack, can be made in 30 mins from scratch including painting it silver to disguise it's origin.

 Captain

[MessnerMoto]

So I can delete catch tank, lines connected with catch tank.. and leave everything else intact ?

[turboguzzi]

tnxs captain, sure clearer now. again, lovely work.

[01Thomas]

Correctomundo! Foam doesn't lubricate and neither do air bubbles entrained  in the lubricant. Plus the air promotes oxidation of the oil and in extreme cases causes cavitation.

SNIP
 Note !! Oil/air separation is the most important thing you can do as if "any" air remains captive and is carried back into the engine crankshaft bearings it will have a damaging effect or at the very least shorten the bearing life and durability.

 Captain