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Old 23-09-2009, 02:03 PM
RICE RACING RICE RACING is offline
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Default RICESP Water Injected RX7

Hello all WI lovers *hello Richard great site!*

I wanted to post my car and my implementation of my own WI system I designed and fitted, its a pneumatic pump less system that uses turbo pressure to "drive" the water flow out of the combined fuel cooler WI tank its fully mapped via PWM control off my STINK ECU, and also does water spray was well. Hope you like it










Tank



Here is the custom mounts for the WI/Fuel cooler/IC sprayer tank and the filter system, worked out ok









Me at work making various bits lol



High capacity full custom CDI and Rotary Coil on Plug system made by me for Water Injection use





Engine bay shot



From the ground up she has been designed around Water Injection, will up date some results in the other pertinent sections of the forum when I get time.

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Last edited by RICE RACING; 20-04-2018 at 12:15 AM.
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Old 23-09-2009, 07:55 PM
Richard L Richard L is offline
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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.
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Old 24-09-2009, 12:14 AM
RICE RACING RICE RACING is offline
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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 !



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.



and testing of the ign video

http://www.youtube.com/watch?v=BcLGr-iQ_Hw
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Old 24-09-2009, 04:06 AM
RICE RACING RICE RACING is offline
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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...











Original SP Donk when you are the Don you can make anything happen


Full ceramic Don spec, 2 piece 2mm seal and ceramic corner seals !


On stand waiting for love


RR Spec Jizz to hold o-rings


Retainer for RR spec primary blank off plugs


Ready ready ready!











Making Turbine exit pipe for my SP.

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

















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.









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













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.











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



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:



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







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

Well here is the turbo support.







__________________
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RICESP > F40 > Zonda > ZR1
Water Injection Specialist
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Old 24-09-2009, 04:32 AM
RICE RACING RICE RACING is offline
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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 ops:



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:

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RICESP > F40 > Zonda > ZR1
Water Injection Specialist
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Old 24-09-2009, 09:44 AM
Richard L Richard L is offline
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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.
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Old 24-09-2009, 10:03 AM
RICE RACING RICE RACING is offline
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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 ops:

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.









__________________
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RICESP > F40 > Zonda > ZR1
Water Injection Specialist
"Can't be defeated!, don't know the word!, shoulder to shoulder!, we'll fight the world!, WE CAN'T BE BEATEN!!!"

Last edited by RICE RACING; 20-04-2018 at 12:17 AM.
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  #8  
Old 25-09-2009, 09:11 AM
Richard L Richard L is offline
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Another great set of pictures.

I missed the rod ends, sorry. The turbo brackery is perferct.
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Old 29-09-2009, 01:43 PM
RICE RACING RICE RACING is offline
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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.



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:
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Water Injection Specialist
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  #10  
Old 29-09-2009, 11:32 PM
Richard L Richard L is offline
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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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