pickersgill1 Posted August 30, 2009 Posted August 30, 2009 Some may have already viewed this before, I thought it was good and share it with others who have not seen it. http://www.animatedpiston.com/BMW.htm
T__ Posted August 30, 2009 Posted August 30, 2009 John, yes that is a nice animation… Unfortunately it isn’t an Oil Head that is an Air Head.. Still a nice animation just wanted to make sure it wasn’t confused with what the current Oil Head uses.. Twisty
effexer1 Posted August 31, 2009 Posted August 31, 2009 This is very good. Note the cam shaft inside the block and pushrods, this is the air head design. It will make a nice screen saver! Thanks!
10ovr Posted August 31, 2009 Posted August 31, 2009 I clicked on that link,,Then went down to the bottom of the page,,Clicked on Animation,,Watched the film ,, Delivery,,,Very Kool flick,,Though of Ken H for some risen,
der Wanderer Posted August 31, 2009 Posted August 31, 2009 Nice graphics Now, I was not aware of that "wasted spark" thing, as indeed represented on the graphics... Would someone please explain?
SageRider Posted August 31, 2009 Posted August 31, 2009 Wasted spark means both cylinders spark whenever approaching TDC. The spark on the compression stroke is useful. The spark on the exhaust stroke is wasted.
der Wanderer Posted August 31, 2009 Posted August 31, 2009 Yes I can see that But why??? Is it because it is simpler to get both to spark at the same time (common wiring)?
smiller Posted August 31, 2009 Posted August 31, 2009 But why??? Is it because it is simpler to get both to spark at the same time (common wiring)? Yes, simpler/cheaper. No real downside except for a little additional wear on the plugs.
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