Cross posted from other boards - seeking feedback from as many as I can.

I have been working on a write-up about turbos and knock with the purpose of detailing what WI is, why it works and why it steps tuning up to the next level.

Anyway looking for feedback and thoughts on it:

WI writeup

This has already been changed and improved substantially from the feedback on NASIOC.

Unless you are joking if you think it is way off - the board members - and everyone using WI with success would love to know why.

 

I just learned a ton of information on there.

 

Thank you for the kind words.

A board for water injection topics has now been added:

Water Injection Forum

Ed.
turboice.net

 

Thanks for posting the information. I found it very informative. Would it be possible to provide a link to print the entire article?

 

hc - I need to eventually put it in pdf once it is stable. Still being updated from supported input being sent in by readers. It is however much more stable than it was and probably ready for a draft document file format.

I just realized that the inline frame is not selectable for printing - very sorry about that. I thought it could be printed a section at a time but I see now that scrolled material will not print out.

I will create a word document and post on the site or the forum there.

 

OK - it is not reformatted and is longer than it should need to be, but I am so disappointed that I didn't even realize that it might not be print friendly that I wanted to correct it ASAP. It is now on the water injection forum and here:

In document form:
Word Document Last updated: 10/13/03

 

There were some exciting announcements made by Aquamist at SEMA, I expect more to come in the near future. Might want to keep an eye out for them.

 

tight this sounds very interesting!

 

The information contained is very information, comprehensive and from halfway through it - completely accurate. (I'll finish it when I have more time)

However, one thing I have noticed, is that the language is more of a "forum" based, conversational tone. It's not the sterile formality of a traditional white paper.

If this is intended, then that's all fine and good. If you are truly intending it to be an industry whitepaper, you might want a copywriter to have a look over it for you.

 

Valid point on the tone. I do not know that I would want to make it to technical or dry. This is really intended to provide information to the average enthusiast. The engineers in the industry already know the information, back ground and research very well and much better than I do, so it is not really for them. In a technical sense certainly would not qualify as a "white paper" for instance of the nature that the SAE would publish. But then again the SAE and NACA have many papers on the topic but they are not something that most of us could get through or internalize on one or two readings.

Does the tone interfer with the delivery of the information for the intended audience? If so I should definitely seek some editorial assistance. It is informal and conversational primarily because that is how the information was gathered and also the manner in which I came to understand the technical aspects of a technology I used for a long time without knowing the all of the why until I started this paper.

Thank you for the additional input as I need to know if the format interfers with conveying the information.

 

Hi Ed,

Given your intended audience, I feel the language is appropriate and does not interfere with the delivery of information. In fact as an "average" enthusiast, I found it very readable.

Perhaps I was just confused by the term whitepaper, as I read and write a lot of those for my job in Computer Security.

Thanks for a good read.

Ken.

 

The paper has been updated somewhat and with the Works Aquamist solution coming (that I hinted at above back in Nov from Sema) I thought this could use some fresh eyes.

 

I wouldn't mind trying alcohol injection.

 

Over all the write up is understandable and in layman’s terms.
A few minor English flaws (most in tense) but no big deal

to the guy above...
FYI alcy is only to be used in water injection as a anti freeze additive. Water alone posses an octane rating of infinity (what makes it so desirable). The high latent heat of energy is also great for cooling (much better than alcy). Both were stated in the write up (water octane rating in a round about way).
Adding alcy will do little for power on a properly set up water injection system.
If you are serious about using straight alcy injection look at a second fuel tank and real injectors controlled by a additional injector controller, or a stand alone.


A nice write up ICE

JM02
aaron

 

aaron -

Point taken on tense and other flaws. It certainly could use an editor's marker.

I never really thought about the octane rating of water, but in terms of ignition from compression infinite would be accurate. Of course liquids won't compress but effectively in a steam state water will not ignite from any amount of compression. Which goes a long way to identifying why it is so effective at raising the effective octane rating of the induction charge. I have never seen it in those terms but it is a great observation that I will keep in mind.

Thanks for the additional feedback.

fast -

Alchy is itself a fuel and a good one at that with its octane rating and specific and latent heats. Water should only be injected to the point where you are replacing fuel (whether gasoline, diesel or alcohol) that would not be consumed in combustion. Since the water itself would not combust but rather just aid the hydrocarbon combustion process - from a power perspective you always want enough fuel to fully use all the oxygen in the induction charge.

Besides freeze protection some do take the opportunity with water injection to reduce further some of the gasoline that would have been burned in combustion and use methanol in the water mix to replace it bringing about a kind of hybrid fuelling. However as aaron pointed out for pure alchy running you are getting into replacement of a good deal of the fuel system as well as a major engine management project.