| Can one brand of oil really work more
effectively than another to combat rust in your aircraft's piston
engine? The answer is an unequivocal "absolutely," and by a
huge margin. But to arrive at that conclusion, you need to disregard
intuitive myths to examine some hard evidence that has come out of
what are called "humidity cabinet" testing protocols.
Here's the fact: Because they typically contain more effective rust
inhibitors, multi-grade oils combat rust better, even though they are
thinner at ambient temperatures than monograde oils.
Separate
the myth from the facts – Controlling
Rust Tech Topic (1.0 MB file).
| 
