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Old 01-23-2015, 12:31 PM
Cadin's Avatar
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Join Date: Aug 2013
Location: Vancouver, WA
Posts: 270
Question Dual IP - Post Water Injection Madness

Hey Gang,

So I've been doing some pretty interesting thinking about the OM617 and power vs efficiency; as well as water/methanol injection.

In my travels I came across this:
Six-stroke engine - Wikipedia, the free encyclopedia

Also, I had never heard of Crower's six-stroke; which was apparently nothing new at the time, just re-implemented.


So here is my imagination amalgamation into a 4-stroke:




The basic idea is to run 2- IP's since the timing will be preserved.

The second injectors are DI through the glow plug holes, and the timing would be retarded to inject water after combustion. Upon entering the chamber the water would turn to steam, both adsorbing heat and driving the piston downward, potentially reclaiming a decent amount of heat energy from the system.


Questions:

1. Would our nozzles be up to this task?

2. What PSI to run to avoid water jetting and deterioration of the nozzle?

3. Will our IP's work fine at an angle (clocked)? Or do they need up-down orientation for the oil from the motor?

4. Since our IP's use diesel as a lubricant would I need to use a lubricant with the water?

5. This is obviously a crazy idea, but just how crazy?

6. Our timing chains can be built to any length, correct? Would I just two master links?

7. Where would be the best location for the extra IP? The picture is just for fun, I think running a separate chain to the right might be best.

8. I understand there are a bajillion caveats to this that I haven't covered, what are a few that you see?
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