Originally Posted by PeterM
Its magic - like Harry potter etc . Ok its not that -Its actually hundreds of brake pixies run round the inside of the drum like people on a very very very small treadmill running the wrong way. These are very similar to the pixies in your engine that run very very fast to turn your prop.
bur I'm not that ignorant of how engines work - I know there are no pixies in it - pixies are who you have on computer screens / digital cameras
My engine works like this: I exchange hard earned cash for a liquid - not produced by the government, but who take most of the money I pay for it. Liquid goes in tank. I turn key. liquid eaten by engine. Boat goes through water. When I want to go fast / through waves the engine decides to eat more liquid. Pixies don't come into it!
Anyway, coming back to the trailer, why don't the pixies drown when I submerge them in the water? Not sure you've explained this simply enough for me - or is this why the brakes stop working - they're gummed up with drowned pixies?