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RICE RACING 23-09-2009 02:03 PM

RICESP Water Injected RX7
 
UPDATE 2022
http://www.riceracing.com.au/rides.htm
http://www.riceracing.com.au/water-injection.htm
http://www.riceracing.com.au/Donmega_Waterinjection.htm

Alright folks, you know who I am, the squirting master, the squirting king, squirting everything !

This thread is about my own experience with water injection, detailing many versions of it across all kinds of engines/cars.
The first is just looking at a basic pneumatic/electronic based stand alone system. Working back from the end of this thread you will see the current Aquamist products and Syvecs/Life Racing electronics.
There is something for everyone to read in here to cover most popular engine types (reciprocating and rotary). As second half of 2020 onwards I am working on the latest generation of WI system which will be fully sequential of my own design and all controlled via ECU/PDU/Dash combination, as later generations are implemented the older stuff will go up here as a 100% free resource to help others separate shit from clay, none of the content is 'sponsored' or 'paid for' by a manufacturer and only the better system knowledge is put up. Last count I have accumulated over 135 engineering papers on this topic alone from 1913 to 2020, allot of peer shared results and my own humble developments. This you wont find on a Goolag search or on Arsebook! or Gagtube channel, so as flava flave famously said 'don't believe the hype'

I have helped many people discover the power of water injection for the last 30+ years, starting from the same basic spot as anyone who has wanted to find the best answers to making a street or race car more reliable and durable. I hope that these posts are of use to people who want to learn and apply the knowledge for themselves.

It's the single best part of internal combustion that I have worked with, love it as much today as I did back in 1995 when I first applied it seriously for my own car/s.
If anyone wants help, then feel free to post up here or get in touch with me.

Water Injection is reaching a level of popularity now that it truly has always deserved, despite the best miss information efforts from the haters one thing stands, it has been and always will be the ultimate way to produce power reliably and allow it for far longer too.

Get On It !

Beware of FAKE NEWS !!!
So many years of reading now seeing this rubbish, we just feel it is necessary to debunk this... FACT V FICTION !

https://youtu.be/80AcdZ7WdgI

https://i.imgur.com/JvyWBWJ.jpg

Richard L 23-09-2009 07:55 PM

Peter, great pictures - post more if you can, I love those intricate mechanical work.

One day, people will believe in WI is the only way to make big power. Problem is lack of ignition power on ordinary set up. I hav elittle control over what people using our system on. It seems alcohol is the favour of the year.

RICE RACING 24-09-2009 12:14 AM

Quote:

Originally Posted by Richard L
Peter, great pictures - post more if you can, I love those intricate mechanical work.

One day, people will believe in WI is the only way to make big power. Problem is lack of ignition power on ordinary set up. I hav elittle control over what people using our system on. It seems alcohol is the favour of the year.

I will post up more of the build over next few days.

In regards to the Ignition here in my home country no one uses Alcohol !, I suppose I have had a massive influence in this regard and led by example and shown people how its done (on my own cars and various customers cars), which is all they really want at the end of the day :) give them the key to the door and help them in the most important aspect (tuning and calibration of the WI system) and its an open and shut case on the merits of Water over anything else *including full race fuel set ups* :)

The ignition is the single most important aspect in a high powered car, it makes the difference between you telling the motor what to do V's it dictating to you how and when and what it wants to run on lol, I simply copied this basic fact from the old WW2 boys who were using magneto and huge current and energy ignitions to run massive water to fuel ratio's, once I figured out that key element/restriction of normal ways of thinking today a whole new world in terms of power and reliability were open to me.

Here is a picture of the CDI & COP systems current and burn time as measured on my pecoscope, it is very powerful !

http://img4.imageshack.us/img4/34/tr...frontrotor.jpg

This is picoscope testing of my CDI system, for current flow, primary voltage, secondary burn time, number of spark restrikes.... works well even a newb with electricity like me can figure it out

Burn time is roughly 420us or .4 milliseconds and there is 6 separate restrikes at 1000rpm over roughly 5 milliseconds per cycle. System pulls about 25 amps of first spark and 13 amps for the restrike sparks.

http://img297.imageshack.us/img297/9273/rrcditest.jpg

and testing of the ign video

http://www.youtube.com/watch?v=BcLGr-iQ_Hw

RICE RACING 24-09-2009 04:06 AM

This is various pictures of my build up, fitting of Race Logic VBOX3i data logging gear, engine building, fabrication of all parts I made etc...

http://img23.imageshack.us/img23/9448/riceports1.jpg

http://img12.imageshack.us/img12/2649/riceports2.jpg

http://img23.imageshack.us/img23/2694/spports3.jpg

http://img387.imageshack.us/img387/6547/ebp3td8.jpg

http://img4.imageshack.us/img4/9206/rrdonk1.jpg

Original SP Donk ;) when you are the Don you can make anything happen :D
http://img4.imageshack.us/img4/4590/rrdonk2.jpg

Full ceramic Don spec, 2 piece 2mm seal and ceramic corner seals !
http://img4.imageshack.us/img4/6515/rrdonk3.jpg

On stand waiting for love
http://img7.imageshack.us/img7/91/rrdonk4.jpg

RR Spec Jizz to hold o-rings
http://img7.imageshack.us/img7/3173/rrdonk5.jpg

Retainer for RR spec primary blank off plugs
http://img7.imageshack.us/img7/5734/rrdonk6.jpg

Ready ready ready!
http://img12.imageshack.us/img12/1403/rrdonk7.jpg


http://img9.imageshack.us/img9/7255/rrdonk11.jpg

http://img14.imageshack.us/img14/3722/rrdonk12.jpg

http://img14.imageshack.us/img14/6383/rrdonk14.jpg

http://img13.imageshack.us/img13/3567/rrdonk13.jpg

Making Turbine exit pipe for my SP.

And pic of my basic welding set up *hobbo set up lol*

http://img8.imageshack.us/img8/7581/tig1s.jpg

http://img8.imageshack.us/img8/39/tig2.jpg

http://img8.imageshack.us/img8/3460/tig3.jpg

http://img16.imageshack.us/img16/6061/tig4.jpg

http://img16.imageshack.us/img16/7853/tig5.jpg

http://img16.imageshack.us/img16/8611/tig6.jpg

http://img528.imageshack.us/img528/1476/tig7.jpg

http://img528.imageshack.us/img528/6997/tig8.jpg

Some more progress today, few more fittings to weld in AFR and EBP ports/fittings + finish off floating gearbox hanger support then this part is finished.

http://img35.imageshack.us/img35/7100/wgpipe1.jpg

http://img35.imageshack.us/img35/625/wgpipe2.jpg

http://img188.imageshack.us/img188/4297/wgpipe3.jpg

http://img188.imageshack.us/img188/438/wgpipe4.jpg

Then to fabricate SS oil drain, and water lines, couple of heat shields as well.

After lunch Finished cut out of hole & welding of WG pipe :)

http://img41.imageshack.us/img41/5950/wgpipe1a.jpg

http://img41.imageshack.us/img41/6381/wgpipe2a.jpg

http://img35.imageshack.us/img35/6261/wgpipe3a.jpg

http://img35.imageshack.us/img35/6692/wgpipe4a.jpg

http://img35.imageshack.us/img35/359/wgpipe5a.jpg

http://img195.imageshack.us/img195/9838/wgpipe6a.jpg

Finished AF sensor placement, also EBP sensor fitted too, all fiddly stuff really to get it to fit and be serviceable. Also have started work on decent SS304 heat shield (not finished yet), and fabricated the oil drain and inlet feed.

http://img38.imageshack.us/img38/4926/shield1w.jpg

http://img132.imageshack.us/img132/1803/shield2.jpg

http://img132.imageshack.us/img132/5764/shield3.jpg

http://img36.imageshack.us/img36/7463/shield4.jpg

http://img36.imageshack.us/img36/6268/shield5.jpg

Totally sealed ! no radiant heat will go up to intake manifold ! :D

http://img10.imageshack.us/img10/6256/shiledfinish1.jpg

Pretty happy with end result, its what I always wanted in my own car and any turbo should be like this IMHO, no more excuses of "too hot bro, cant boost it" :lol:

http://img364.imageshack.us/img364/1...ledfinish2.jpg

Well here it is, a tad over engineered!!! can be used as a third engine mount!!! (its not so bad weight is under 1kg) but its rock solid, holds coils perfectly and is very simple, each rotor coils set is modular and comes off with one cap head bolt :)

I probably * around for weeks on and off thinking how to do it and this way worked out best, lots of *welding and making different jigs *fiddly* especially the spacers for the coils, but that's how it goes lol

http://img375.imageshack.us/img375/9789/cop2.jpg

http://img375.imageshack.us/img375/4082/cop3.jpg

http://img229.imageshack.us/img229/7108/cop1.jpg

Tomorrow wire up the 3 CDI boxes and all that is done :o

Well here is the turbo support.

http://img132.imageshack.us/img132/3847/support1w.jpg

http://img197.imageshack.us/img197/7444/support2.jpg

http://img197.imageshack.us/img197/7942/support3.jpg

http://img268.imageshack.us/img268/1894/support4.jpg

RICE RACING 24-09-2009 04:32 AM

Some of the clowns on one web site I go on decided to photo shop me into the famous Team RX7SP that won this countries premier 12hr production endurance race against the worlds best sports car makers specials (911RSCS and BMW M3R Honda NSX, Nissan GTR, Ferrari F355 to mention but a few who tried and failed for 4 straight years to beat the Mazda RX7) The SP model was the last race special when most of the makers went all out to try and knock Mazda off for the title.............. THEY FAILED :oops: :cool:

http://i499.photobucket.com/albums/rr360/1000-08/sp.jpg

Mazda Australia made only 25 of these SP race specials, Porsche made 100 world wide and BMW made the minimum 10 of there's... it is a very rare car.
It is a derivative of the M1020 factory race special Mazda's performance arm were making but that department shut down before the car was released so allot of the factory developed parts went to the Australian market and the car was further optimized and perfected... the rest as they say is history Mazda 4 Porsche 0 :lol:

http://img195.imageshack.us/img195/3433/chope.jpg

Richard L 24-09-2009 09:44 AM

The images are stunning. I hope people will appreciate the amount of thought and work involved in make a reliable racing car. No pain no gain - 100% truth.

Your turbo support bracket is the best I have seen, any reason why to have decided making it solid by not putting an expansion joint?

The CDI ignition pack makes great power, you can almost see the second phase of the ionisation current after the big spike progressively using less energy on subsequent hits. You can almost uise this information to judge the quality of the burn.

Those pictures are valuable and hope you are able to keep them on the hosting site for a long time to come. As soon as I have a moment, I will make back-up copies just in case.

Please keep it updated.

RICE RACING 24-09-2009 10:03 AM

Quote:

Originally Posted by Richard L
The images are stunning. I hope people will appreciate the amount of thought and work involved in make a reliable racing car. No pain no gain - 100% truth.

Your turbo support bracket is the best I have seen, any reason why to have decided making it solid by not putting an expansion joint?

The CDI ignition pack makes great power, you can almost see the second phase of the ionisation current after the big spike progressively using less energy on subsequent hits. You can almost uise this information to judge the quality of the burn.

Those pictures are valuable and hope you are able to keep them on the hosting site for a long time to come. As soon as I have a moment, I will make back-up copies just in case.

Please keep it updated.

ah thanks :oops:

The turbo bracket is always in tension from cold to hot so its reducing the amount of weight or load onto the manifold. < she has rod ends either side to take into account growth so its free to move. The exhaust has no expansion joint in the wastegate pipe since I calculated the lengths and though it could go without one, I kinda pinched that idea after seeing Rod Millens Toyota Tacoma and he did not run one lol, I had no room anyway for it.

Appreciate the comments and offer to host pictures it flattering. I only have these images on imageshack so if you would like to back them up that would be great :)

Will update more things *pictures* and some performance results when I get a chance 100%. Oh yeah she is my road car with full catalyst equipped exhaust, >

Here is pics of new super high flow cat, and picture of std 4" metal substrate cat.
To give you an idea I have measured 238rwkw on the std MS cat and no cat at all yielded 235rwkw! at same boost pressure.

The new version is for 450rwkw region! has basically the same flow as 3.5" straight pipe in flow testing.

http://img30.imageshack.us/img30/233...5smallscat.jpg

http://img147.imageshack.us/img147/5...7smallscat.jpg

http://img147.imageshack.us/img147/2...8smallscat.jpg

http://img188.imageshack.us/img188/9...9smallscat.jpg

http://img198.imageshack.us/img198/8...1smallscat.jpg

Richard L 25-09-2009 09:11 AM

Another great set of pictures.

I missed the rod ends, sorry. The turbo brackery is perferct.

RICE RACING 29-09-2009 01:43 PM

Hey Richard,

I posted this up on the peco users group, showing my injector current and voltage pattern, I am having some issues with my car at idle and odd function of the fuel injectors at 1000rpm and light cruise, its a FJO low impedance P&H driver... I think it is defective, let me know what you think b4 I rip this out and go to resistors.

http://img15.imageshack.us/img15/270...ectordrive.jpg

The actual measured injector lag time for 14v is more like 0.800 Milliseconds V's the ECU's drop down values of 0.550 milliseconds.. when I changed this value it helped the car a great deal on this idle and return to idle from free rev problem I was having... but something is not right in the injector pattern as it looks like it does not do the peak and hold part lol ! input appreciated :smile:

Richard L 29-09-2009 11:32 PM

You are right, the FJO didn't seem to switch to peak and hold at around ~4 A. I am not sure of the peak can only be triggered above two mS, even the current is allowed to creep pass the 4A threshold.

However, it shouldn't any affect on your idle and light cruise unless the injectors are over heating. If this is the case, it might create local vapuor lock. When you open your throttle, the higher fuel flow may take away the heat from the injector winding.


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