JapCarForum Car Manufacturers Lexus/Toyota IS200 / IS300 / SPORTCROSS / Altezza My new supercharger project

My new supercharger project

My new supercharger project

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rob
Senior Member
720
27-04-2017, 11:01 PM
#11
Rolex does this project possible envolve and electro magnetic clutch

obviously...:laugh: dont think it will make much difference MPG wise though.
rob
27-04-2017, 11:01 PM #11

Rolex does this project possible envolve and electro magnetic clutch

obviously...:laugh: dont think it will make much difference MPG wise though.

Asi
Posting Freak
2,510
28-04-2017, 01:40 AM
#12
tell us more....

[SIZE="5"]V8 TURBO IS200
JAE Best Modified OJC Winner [/SIZE]
Asi
28-04-2017, 01:40 AM #12

tell us more....


[SIZE="5"]V8 TURBO IS200
JAE Best Modified OJC Winner [/SIZE]

Sparkystav
Administrator
14,683
28-04-2017, 03:33 AM
#13
yeah i guessed it would be to do with the clutch, let us know how you get on mate

I thought of doing something like this but using a actuator instead of the throttle cable (ive actually bought two of the actuators at home), and then a boot controller so you could set it to 0 and have the bypass open all the time,

OutlawJapClub Admin Team
Sparkystav
28-04-2017, 03:33 AM #13

yeah i guessed it would be to do with the clutch, let us know how you get on mate

I thought of doing something like this but using a actuator instead of the throttle cable (ive actually bought two of the actuators at home), and then a boot controller so you could set it to 0 and have the bypass open all the time,


OutlawJapClub Admin Team

rob
Senior Member
720
28-04-2017, 03:54 AM
#14
all the original components are still there in the TTE units, just the wires have been clipped off, still possible to connect the wires though and make the clutch function, personally I dont see any need to do it but if its something to pass the time then why not
rob
28-04-2017, 03:54 AM #14

all the original components are still there in the TTE units, just the wires have been clipped off, still possible to connect the wires though and make the clutch function, personally I dont see any need to do it but if its something to pass the time then why not

Rabster
Posting Freak
10,234
28-04-2017, 04:30 AM
#15
pardon my ignorance here but what does it do lol the clutch bit cant be anything important has its been disconnected
Rabster
28-04-2017, 04:30 AM #15

pardon my ignorance here but what does it do lol the clutch bit cant be anything important has its been disconnected

is300_dino
Posting Freak
3,556
28-04-2017, 04:57 AM
#16
really not understanding this at the moment :Sulk:
is300_dino
28-04-2017, 04:57 AM #16

really not understanding this at the moment :Sulk:

P.Lindblom
Posting Freak
821
28-04-2017, 05:03 AM
#17
Ok, here we go :biggrin:

I'm not entirely sure I'm right about this, please correct me if I'm wrong.

As you probably know, the TTE supercharger is an Eaton M62-4 with a locked magnetic clutch. That's super, the rotors are always spinning and providing your engine with a nice boost... or are they?

At close to full throttle the bypass valve closes and boost pressure builds up, but unless the bypass valve is closed air isn't forced into the engine. An open bypass valve equals a leak in the intake system and boost pressure cannot build up. Doesn't this mean the only thing the supercharger does when you're driving slowly is use engine power instead of providing it?

It takes quite a lot of power to spin the supercharger rotors at 3000 to 10000 rpm. At least a lot more than not spinning them.

What i'm going to do is to simply activate the magnetic clutch to save energy = increase mpg.

I'm looking at two options at the moment. The first option is to place a micro switch at the bypass valve stop, so that the supercharger clutch is engaged when the valve is closed.

The other option is to place a switch on the dashboard to manually engage/disengage the clutch whenever I need the extra hp (overtaking etc.). When driving slowly driving around town the supercharger does nothing but use engine power, so why not let the pulley run freely by disengaging the magnetic clutch?

I'm going to upload a video of the magnetic clutch in action to show you exacly what it does.

Edit: The supercharger noise is lovely, but I can't stand hearing it all the time while driving around. With this setup I'd be happy to use an induction kit, as the supercharger noise will only be heard when I give it a lot of throttle.
Edited 09-06-2010, 02:43 PM by P.Lindblom.
P.Lindblom
28-04-2017, 05:03 AM #17

Ok, here we go :biggrin:

I'm not entirely sure I'm right about this, please correct me if I'm wrong.

As you probably know, the TTE supercharger is an Eaton M62-4 with a locked magnetic clutch. That's super, the rotors are always spinning and providing your engine with a nice boost... or are they?

At close to full throttle the bypass valve closes and boost pressure builds up, but unless the bypass valve is closed air isn't forced into the engine. An open bypass valve equals a leak in the intake system and boost pressure cannot build up. Doesn't this mean the only thing the supercharger does when you're driving slowly is use engine power instead of providing it?

It takes quite a lot of power to spin the supercharger rotors at 3000 to 10000 rpm. At least a lot more than not spinning them.

What i'm going to do is to simply activate the magnetic clutch to save energy = increase mpg.

I'm looking at two options at the moment. The first option is to place a micro switch at the bypass valve stop, so that the supercharger clutch is engaged when the valve is closed.

The other option is to place a switch on the dashboard to manually engage/disengage the clutch whenever I need the extra hp (overtaking etc.). When driving slowly driving around town the supercharger does nothing but use engine power, so why not let the pulley run freely by disengaging the magnetic clutch?

I'm going to upload a video of the magnetic clutch in action to show you exacly what it does.

Edit: The supercharger noise is lovely, but I can't stand hearing it all the time while driving around. With this setup I'd be happy to use an induction kit, as the supercharger noise will only be heard when I give it a lot of throttle.

is300_dino
Posting Freak
3,556
28-04-2017, 05:14 AM
#18
good luck mate hope it goes as smoothly as it makes out to be Smile
is300_dino
28-04-2017, 05:14 AM #18

good luck mate hope it goes as smoothly as it makes out to be Smile

Rabster
Posting Freak
10,234
28-04-2017, 05:19 AM
#19
that makes sense mate
Rabster
28-04-2017, 05:19 AM #19

that makes sense mate

P.Lindblom
Posting Freak
821
28-04-2017, 06:18 AM
#20
DJ Wozza Sounds good in theory, so was the charger designed to work this way originally ?
Yep, that's how they work in most supercharged cars, including the Merc SLKs. I'm not sure why TTE chose to lock the clutch, but I suppose it was to make the installation in the cars a bit easier. The clutch is usually controlled by the ECU.

Edit: Correction, in the Merc the supercharger kicks in at 2000 rpm

Quote:Supercharger clutch

The supercharger clutch works in the same way as an air conditioning compressor clutch. The pulley itself spins freely on the supercharger input shaft. A coil of wire sits behind the pully and a metal disc sits in front. The front disc is connected to the actual input shaft of the supercharger. When the coil is engergized, the disc is drawn against the rotating pully and they then rotate together as a unit untill the coil is de-energized.
Edited 09-06-2010, 04:22 PM by P.Lindblom.
P.Lindblom
28-04-2017, 06:18 AM #20

DJ Wozza Sounds good in theory, so was the charger designed to work this way originally ?
Yep, that's how they work in most supercharged cars, including the Merc SLKs. I'm not sure why TTE chose to lock the clutch, but I suppose it was to make the installation in the cars a bit easier. The clutch is usually controlled by the ECU.

Edit: Correction, in the Merc the supercharger kicks in at 2000 rpm

Quote:Supercharger clutch

The supercharger clutch works in the same way as an air conditioning compressor clutch. The pulley itself spins freely on the supercharger input shaft. A coil of wire sits behind the pully and a metal disc sits in front. The front disc is connected to the actual input shaft of the supercharger. When the coil is engergized, the disc is drawn against the rotating pully and they then rotate together as a unit untill the coil is de-energized.

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