OK, after wading through this thread I am forced to ask....
Just how many mechanics does it take to open a can of oil and add it to an engine?
Real engines require a 5 gallon drum to be carried out on the wing for top up.
Puts me in mind of the adage about not turning a piston engine over backwards by hand because it will destroy the vacuum pump vanes. Absolute nonsense - I've got it in writing from Parker Hannefin, who make the things...
And the more that get broken the more they sell.