Yes - and they were timed 2 (IIRC) degrees apart. Even at only
2200RPM, it took a long time to burn that volume of fuel/air - helped
to start the flame on both sides of the chamber.
Aaah redundant plugs and magnetoes I guess?
-j.
___
http://www.okiebenz.com
On Fri, 19 Jan 2007, OK Don wrote:
> Ours didn't leak very much - there was a fair amount of smoke on
> starting, but it didn't last very long. I never tried to figure out
> how they kept all the oil from ending up in the bottom cylinders. The
> spark plug holes (two per cylinder) were horizontal
Ours didn't leak very much - there was a fair amount of smoke on
starting, but it didn't last very long. I never tried to figure out
how they kept all the oil from ending up in the bottom cylinders. The
spark plug holes (two per cylinder) were horizontal (hemi combustion
chambers) and 180 degrees
Sounds like it would 1) leak a lot, and 2) smoke even more
Nifty feature, that self-hydrolocking. I guess the spark plug threads on the
bottom cylinders wear out sooner than those on the upper ones :P
Fun Fun!
-j.
--
John Reames
1985 300d (223K "Gerta")
1991 Cherokee (149K "the fishbowl")
1999
The sump is a separate tank - I think they call these 'dry sump'
engines. Oil doe s collect in the bottom cylinders while it's sitting
- you have slowly crank the engine through a couple of turns before
trying to start it (aircraft application). They have been known to
blow a cylinder or two off w
