KRAFTWERKS SUPERCHARGER aka (Jackson Racing)
Member
Joined: Dec 2007
Posts: 50
From: Ontario
30% ft/lb increase & 50% hp increase, at peak increase. To the best of my knowlegde 6500 limiter is the same.
Assuming that the blower adds 50% more air across the whole rev range (it doesn't). Keep in mind peak torque is made lower in the rpm range and drops after a certain point. For ex. lets say peak torque is at 4000 rpm, here the blower will give you 50% more of half the max air, (4000rpm is 60% of all available rpm) hence a 50*.6 = 30.
Since hp always climbs except for near the limiter, it will have 50% more of full air (6500rpm is 100% of all rpm) hence a higher gain. 50*.1 = 50
It's hard to explain and I think I may be just confusing people & my-self. But that's the best I can do at the moment, for reference: HP = torque * RPM / 5252
Member
Joined: May 2006
Posts: 258
From: Montréal
30% ft/lb increase & 50% hp increase, at peak increase. To the best of my knowlegde 6500 limiter is the same.
Assuming that the blower adds 50% more air across the whole rev range (it doesn't). Keep in mind peak torque is made lower in the rpm range and drops after a certain point.
Assuming that the blower adds 50% more air across the whole rev range (it doesn't). Keep in mind peak torque is made lower in the rpm range and drops after a certain point.
But anyhow, I am happy with the promised torque gains at low RPMs.
New Member
Joined: Jan 2008
Posts: 13
From: Denver, Co
Coming from a turbo charged car I can say that it was always difficult to maintain full boost pressure at high rpms with a smaller turbo, because it could not flow enough air. I am not sure the size of the rotrex so you'd have to see on a gauge or learn from one of the testers
Last edited by OJRKraftWerks; Jan 24, 2008 at 02:59 PM. Reason: Remove old, confusing information :)
Member
Joined: Apr 2007
Posts: 115
From: Miramar, FL
I haven't been able to find a Siphon to be able to read the article so perhaps you could shed a little light on it for me. Fuel economy is very important to me (environmental and foreign dependence not as much economical) so I was wondering what the results were, you mentioned a slight increase seen by someone but I wonder if this would be typical given similar driving habits. (would depend on the ecu tune I guess)
Also, given that I am in a high altitude (CO), and not knowing specifically how the Honda ecu and the map with the SC work, would running at a higher altitude make the car run slightly richer in comparison with the same car at sea level. I am wondering because a MAF sensor just measures the speed of the air if I recall correctly and I am not sure how or if the ecu corrects for density with the fuel mixture or something.
I am not sure if it is planned or not, but comparisons showing pre and post SC fuel mileage in similar driving conditions (temp, route, etc..) might go a long way convincing others like me it would be a fun purchase (that this won't hurt our wallet/environment etc. daily).
Also, given that I am in a high altitude (CO), and not knowing specifically how the Honda ecu and the map with the SC work, would running at a higher altitude make the car run slightly richer in comparison with the same car at sea level. I am wondering because a MAF sensor just measures the speed of the air if I recall correctly and I am not sure how or if the ecu corrects for density with the fuel mixture or something.
I am not sure if it is planned or not, but comparisons showing pre and post SC fuel mileage in similar driving conditions (temp, route, etc..) might go a long way convincing others like me it would be a fun purchase (that this won't hurt our wallet/environment etc. daily).
New Member
Joined: Jan 2008
Posts: 13
From: Denver, Co
Member
Joined: Apr 2007
Posts: 115
From: Miramar, FL
the torque on the dyno sheet seems pretty linear to me.
Frequent FitFreak Poster
Joined: Sep 2007
Posts: 805
From: N Jersey
Hey Chris!
The days are dragging by and im itching to get my supercharger. In the meantime, just to humor us, why don't you share a story or two of your feats. There's gotta be at least one good story of how you burned an unsuspecting racer at a light or embarrassed some tough guy who once thought he had a fast car. Im not concerned with numbers at the moment, I wanna hear what this baby can do!
The days are dragging by and im itching to get my supercharger. In the meantime, just to humor us, why don't you share a story or two of your feats
. There's gotta be at least one good story of how you burned an unsuspecting racer at a light or embarrassed some tough guy who once thought he had a fast car. Im not concerned with numbers at the moment, I wanna hear what this baby can do!
oscar,
could you post a link or two regarding the supercard engine management software? will something like a tactrix cable or other suitable obd2 interface be able to reflash the supercard, or will you make the necessary interface available for sale at some point?
and for everyone else, here's a link for perusing -
http://www.w2wpowertrain.com/images_...infoC15-16.pdf
could you post a link or two regarding the supercard engine management software? will something like a tactrix cable or other suitable obd2 interface be able to reflash the supercard, or will you make the necessary interface available for sale at some point?
and for everyone else, here's a link for perusing -
http://www.w2wpowertrain.com/images_...infoC15-16.pdf
I find it akward that after reading the charts and info that were on the pdfs that MRM posted up earlier show that the 10psi kit had 150whp. But what i'm trying to think about was that wasnt this the older kit? Because if i read right, the newer kits on 5psi should be making 130 to 145 whp? Please correct me if i'm wrong. Thanks guys.
I find it akward that after reading the charts and info that were on the pdfs that MRM posted up earlier show that the 10psi kit had 150whp. But what i'm trying to think about was that wasnt this the older kit? Because if i read right, the newer kits on 5psi should be making 130 to 145 whp? Please correct me if i'm wrong. Thanks guys.
more accurate info is on the siphon mag.
Former Vendor
Joined: Nov 2007
Posts: 559
From: Norco, CA
I find it akward that after reading the charts and info that were on the pdfs that MRM posted up earlier show that the 10psi kit had 150whp. But what i'm trying to think about was that wasnt this the older kit? Because if i read right, the newer kits on 5psi should be making 130 to 145 whp? Please correct me if i'm wrong. Thanks guys.
-Oscar Jackson Jr.
Last edited by OJRKraftWerks; Jan 24, 2008 at 02:58 PM.
Former Vendor
Joined: Nov 2007
Posts: 559
From: Norco, CA
oscar,
could you post a link or two regarding the supercard engine management software? will something like a tactrix cable or other suitable obd2 interface be able to reflash the supercard, or will you make the necessary interface available for sale at some point?
and for everyone else, here's a link for perusing -
http://www.w2wpowertrain.com/images_...infoC15-16.pdf
could you post a link or two regarding the supercard engine management software? will something like a tactrix cable or other suitable obd2 interface be able to reflash the supercard, or will you make the necessary interface available for sale at some point?
and for everyone else, here's a link for perusing -
http://www.w2wpowertrain.com/images_...infoC15-16.pdf
-Oscar Jackson Jr.
Former Vendor
Joined: Nov 2007
Posts: 559
From: Norco, CA
The supercharger is connected by the crankshaft, and thus turns faster at higher RPMs. The figure 5 PSI means that the greatest amount of boost you will see from this supercharger system is 5 PSI. You will see about 5 PSI at high RPMs.
Boost pressure is also determined by conditions and modifications.
-Oscar Jackson Jr.
Former Vendor
Joined: Nov 2007
Posts: 559
From: Norco, CA
Coming from a turbo charged car I can say that it was always difficult to maintain full boost pressure at high rpms with a smaller turbo, because it could not flow enough air. I am not sure the size of the rotrex so you'd have to see on a gauge or learn from one of the testers
The Rotrex does not have this issue. It continues to spin and be efficient throughout the rev range.
-Oscar Jackson Jr.
Frequent FitFreak Poster
Joined: Sep 2007
Posts: 805
From: N Jersey
There are multiple reasons the small turbo begins to lose pressure after peak torque...
The Rotrex does not have this issue. It continues to spin and be efficient throughout the rev range.
The Rotrex does not have this issue. It continues to spin and be efficient throughout the rev range.