Nitrous on a superjet

[SUPERJET-113]

Yup, thats where I've seen them injected before.

 

[Big Kahuna]

drill and tap the foggers into the intake track of the manifold.

 

[Polish jet pilot]

The fogging should be done befgire or after the throttle plate? In my car I had it after the throttle, not sure whether on a 2 stroke it wouldn't be better to have itbefore the throtlle plate....? for safety reasons...?

 

[Ericfox]

I messaged a company called Boss Noss... seems like they have a really cool nitrous system that would be more reliable than others... they said they could make a fully waterproof system that would work very well in our application (showed them a lenzi video).... their system looks easy as hell to install... if I didnt have an 870 stroker I'd do it... but risking any ill effects on my current motor isnt an option...

 

[kraqus]

These guys?
http://www.boss-noss.com/street/about/index.asp

Since you already talked to them,
What will need to make this happen? Group order?

I am VERY interested.


Benny

 

[linden]

another nitrous company to check out is boondocker they have 2 stroke kits that would be very easily used.

 

[dbrutherford]

Suscribed.

I have seen a few old school kawie 650 intake manifolds that had weird cast places on them. Well I assumed it was for soem type of injection system. Harry Klem once posted on PWCT that it was just a place cast into the part to index the tooling off of. But if you look through Flash FX's old Havasu pics you can see soem of these intakes on kaiew 650's and fuel injection hooked up to them.

My big question is that you normally have a carbed engine with the carb set up for normal running conditions. How do you compensate for all the increased air when you hit the NOS button? Seems to me that it would need to either be jetted really fat to compensate for the increased air flow (which would make it run like crap when running under no NOS conditions). Or you would need some type of fuel injection system with a computer (like the cars normally have) that measures all the typical operating parameters like air temps, pressures, exhaust temps, pressures, fuel consumption, cylinder pressures, ect... But I have seen PINKS where they had NOS on carbed engines so what do I know really, not much.

 

[JustinB]

Suscribed.



My big question is that you normally have a carbed engine with the carb set up for normal running conditions. How do you compensate for all the increased air when you hit the NOS button? Seems to me that it would need to either be jetted really fat to compensate for the increased air flow (which would make it run like crap when running under no NOS conditions). Or you would need some type of fuel injection system with a computer (like the cars normally have) that measures all the typical operating parameters like air temps, pressures, exhaust temps, pressures, fuel consumption, cylinder pressures, ect... But I have seen PINKS where they had NOS on carbed engines so what do I know really, not much.

You would use a "wet" setup and inject a set amount of fuel to compensate for the extra oxygen. It would sprayed in with the nitrous nozzle, not come from the carb. There are specific jets for different horsepower levels- you'd use say a 30hp jet for the nitrous, and a 30hp jet for the fuel. I am wondering if a 30hp shot would make less horsepower on a 2 stroke because of raw fuel being lost out of the exhaust.

I just bought another SN, but it has a 6m6 in it. I am thinking of trying it, especialy considering how cheap running 650s sell for. I was originally planning on putting a 64x 760 in it, but if I can make as much or more power from a 6m6 its worth trying....

 

[Ericfox]

I messaged him back to ask how much he would think roughly it would cost for a waterproof system and what he thought about safety and such... waiting for response...

 

[kraqus]

I just email Jared in charge of "Research and Development" at Boondockers.
Anxiously waiting for a reply.

I am up for a group purchase order if anyone else is also interested (trying to hopefully lower costs here).....whoever can get a system put together for the best price that is.

So now I am wondering.....switch at the handle bar to release the mix?


Benny

 

[ATS_Aaron]

another nitrous company to check out is boondocker they have 2 stroke kits that would be very easily used.

Their kit has issues. The fuel part of their kit work's OK for small shots on 350cc ATV's (different style carbs), but is unacceptable for a 650+cc jet ski.

I am working with Bryan Havins (used to be with Nitrous Express, has had multiple magazine cars, designed the first Radio Control car/truck nitrous system) to develop a kit with us.

Among other things We are working on a bottle bracket solution as well as a Mikuni carburetor specific WOT switch. A handle bar activation switch is just lame. There might be cheaper kits out there, but ours will certainly be the best.

Aaron

 

[MADMAT]

Among other things We are working on a bottle bracket solution as well as a Mikuni carburetor specific WOT switch.

Yea!

 

[kraqus]

Among other things We are working on a bottle bracket solution as well as a Mikuni carburetor specific WOT switch. A handle bar activation switch is just lame. There might be cheaper kits out there, but ours will certainly be the best.

Aaron

Open valve, close hood and go WOT? Sorry but not quite familiar with the set up you are referring to. I would assume there has got to be some kind of "switch" somewhere that releases the Nitro into the carbs once you have open the Valve....right?


Benny

 

[ATS_Aaron]

Open valve, close hood and go WOT? Sorry but not quite familiar with the set up you are referring to. I would assume there has got to be some kind of "switch" somewhere that releases the Nitro into the carbs once you have open the Valve....right?


Benny

Haha. There will be no "nitro" used anywhere. We are talking about nitrous oxide. Yes, there is a switch. There will be fuel and nitrous electrical solenoids that will be activated by both an arming switch AND a wide open throttle switch.

Aaron

 

[ATS_Aaron]

Just read up on Boss Noss..that is not gonna work for us either - different style of carburetor.

I think I've got the fuel enrichment part figured out. I'm gonna keep it on the down low for a little bit until I know for sure. No reason to give my good ideas to other nitrous companies yet.

Aaron

 

[kraqus]

Sounds good. Let us know when you get something up and running.
I still have not heard back from the guy at Boondocker...I am resending the email.


Benny

 

[wsuwrhr]

A guy you know already builds a super trick bottle bracket.

Brian

Their kit has issues. The fuel part of their kit work's OK for small shots on 350cc ATV's (different style carbs), but is unacceptable for a 650+cc jet ski.

I am working with Bryan Havins (used to be with Nitrous Express, has had multiple magazine cars, designed the first Radio Control car/truck nitrous system) to develop a kit with us.

Among other things We are working on a bottle bracket solution as well as a Mikuni carburetor specific WOT switch. A handle bar activation switch is just lame. There might be cheaper kits out there, but ours will certainly be the best.

Aaron

 

[wsuwrhr]

Why don't you install a fogger style plate under each carb, or a fogger style nezzle in each manifold?

Brian

 

[ATS_Aaron]

Why don't you install a fogger style plate under each carb, or a fogger style nezzle in each manifold?

Brian

Winner, winner, chicken dinner. You got that part figured out (but I think I mentioned it on page 2, haha). Just need a pressurized fuel source. Most kits use an electric fuel pump, but that adds hassle and weight. I think I have a better idea.

Aaron

 

[Scorn800]

I thought the problem with NOS is the pump. I can see if your only going for topend speedrun but then the boat will be slow out of the hole. Do you plan to prop just for top speed?