Guys look at this its so cool


#1

http://vid…2893860613


#2

A time lapsed video of an engine cylinder at work?


#3

yeah, its cool


#4

My gawd, what happened to the other valves?


#5

i think its a dirtbike motor


#6

I’m going to have to send off for one of those window kits for my engine! No more wondering, “Does it have spark? Does it have fuel?”.


#7

What other valves? There’s an intake and an exhaust valve. What else is needed? There are still some two-valve-per-cylinder engines around.


#8

Wow, that is really cool. What were you searching for when you found that?


#9

Cool, but I wonder why the video only shows three of the four strokes. The frame skips past the exhaust stroke and goes directly to the intake stroke.


#10

i found it while skimming through pages at dirtrider.net


#11

They’ve actually been doing this for many years. I think the first time I saw a film about this was about 30+ years ago.

The coolest thing I’ve seen was an R-4360 (yep, 71+ Liters) 28 cylinder radial aircraft engine that had been converted into a rotating, cut-away display model. Near 2 tons worth.
It was absolutely beautiful to look at and utterly amazing to watch all of those internals while they were rotating.


#12

Thanks TJ . . that IS cool. Rocketman


#13

I say, that’s a joke, son.