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redirecting oil in the crankcase

. Is known

the network a certain Pete Roper, famous and Australian Guzzi mechanic for more signs. Of this bird first became aware of what he has called "windage Plate." Let's see how they explain ... The housing

of Guzzis, the crankshaft rotates the whole nut in a soup made by oil, as there is no physical separation between the rotating shaft and the base oil, as it occurs in engines that open vertically (eg Ducati or Morini). All elements of the crankshaft (balances, crossheads ...) spinning at high speed causing a stream (windage) that pulls the base oil in the crankcase, which resists the rotation of the crankshaft itself, apart from producing a "shake" very good oil not know if it will be.

Here's how, in a Morini engine, crankshaft below is a joint board to each crankcase, on a circle, which will make the movement of engine components do not "raise" that contains more oil down the housing.

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The case is Roper's original idea is to try to physically separate the crankshaft oil through a metal plate on the board of the sump.

might think that making it (making it a more or less dry crankcase as the crankshaft) we have problems with lubrication, as they lose a certain cloud of emulsified oil, but that does not. You have to think that ALL elements of the Guzzi pan are greased by a circuit pressure (bank, stud, camshaft, pistons even base) so do not lose anything.


With that idea, we armed ourselves with a metal plate, a dremel, drill and a drill ...



... and we get the mess.




But half slaughter and we face many uncertainties.

oil filter relief valve circuit bother us.

If we insert the dipstick, we see that the engine oil level (when stationary, of course) is above the board of housing, that is, over the plate you want to install. Vale with the engine running the lower level, but ... both?




also oil drain out of the bearings will have to return to the bottom of the pan, out of the way and pick you up again the pump, so you have to drill holes ... how?


And then there is the drainage ducts of the cylinder heads, which run parallel to the career of the cylinders, and enter freely into the crankcase top, a direct stream into the spinning crankshaft counterweights ...




Total, before finishing the task and we spent the next evolution. Sutge's way. Let

. Why not make a circular plate that "hug" to the crankshaft in its rotation, the Morini engine style? You may also make long enough to prevent the "drains" from the heads go against the crankshaft ...


The first will draw on the housing front wall of the path of the counterweight of the crankshaft and connecting rod heads to be saved ...



... staying magnificent lines ...



.. with which they take some templates.




Then play "cortaypega" with some cardboard, zeal and enthusiasm.




We see that extending the "invention" prevents the drain pipe from the heads interfere with the rotation of the crankshaft.




completed the task ...



... and such that we have something like that.




But now the problem that arises is: how to build this with a simple sheet? And of course, comes the affright and turning back ... an intermediate step, not so sophisticated but, as discussed at the next delivery, well chanante.

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