Oil pressure before a start up is the rule. For priming a start, the
equipment is outside any structure, and fire fighting gear is at hand. One day I
was dynoing a piston engine, and the driver was beside me watching the big gage
when the engine came apart in a very major way. Entire oil supply on the
headers, pieces flying, hot coolant on everything. A rod bolt with a piece of
rod cap attached went between our heads like a rifle bullet and stuck in the
steel cover of my old Hobart 600 amp TIG machine like a dart.
Much steel diamond plate was added to the dyno as a result. And, I never
had to worry about falling over the driver while exiting a dyno fire. In fact
dyno and fire are actually the same word. A little known fact.
When priming, use a system that expels a solid stream of fuel, or a 50/50
mix of fuel and oil in cold weather.
A stream of fuel will burn furiously but will not explode. A spray of fuel
is explosive. In a fire you have time to close your eyes. In an explosion you do
not.
Adjust the idle stop to below zero. So you can see daylight between the
screw end and the stop. So you must control the engine speed, by hand, and if a
situation develops that requires you to suddenly be several hundred feet up
wind, the engine cannot over-speed and destroy itself.
I did not invent common sense, but I did vote for it.
Good luck.
Lynn E. Hanover
In a message dated 3/4/2011 4:23:21 P.M. Eastern Standard Time,
keltro@att.net writes:
Ernest,
We are holding our breath for the first signs of
life from your Baby !!..........
Kelly Troyer
"DYKE DELTA JD2" (Eventually)
"13B ROTARY"_ Engine
"RWS"_RD1C/EC2/EM2
"MISTRAL"_Backplate/Oil
Manifold
"TURBONETICS"_TO4E50 Turbo
From: Ernest Christley
<echristley@att.net>
To: Rotary motors in aircraft
<flyrotary@lancaironline.net>
Sent: Fri, March 4, 2011 11:45:43
AM
Subject: [FlyRotary]
Listening to Lynn
I've been listening to you, Lynn.
Last
night, I poured a gallon of oil down the throat of my project.
Disconnected
the hose to the oil cooler right before it headed into the
firewall, and
set it to drain into a coffee can. Spun the starter till
oil started
globbing into the can. (Hoorah!!)
I was concerned that there were some
white globs in the oil that looked
a lot like clear silicone sealant.
Where did that come from? I
filtered the oil through a scrap of cloth
to get at the globs. Turns
out it was the grease that I had packed
the oil pump with. Now where
would I have gotten the idea to do
that?
I put the oil line back together, and disconnected the hose at
the
fitting coming back through the firewall from the cooler. Spun
the
engine till the fitting spit at me, then torqued the hose back
into
place. The next step is to fill the filters and disconnect the
hose as
it heads back into the engine. Gotta go buy some more oil
before that
happens, though.
The next step is to verify that the
first rotor is getting the spark at
the right time, both with the
MegaSquirt online and off. Then the only
step left is to add
fuel. I'll probably do that first with a spray
bottle into the
intake, and then move on to verify the proper operation
of the
injectors.
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