2.2 supercharger? - Toyota Nation Forum : Toyota Car and Truck Forums
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#1 Old 11-22-2012, 04:08 PM
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2.2 supercharger?

Anyone tried this? Or anything like it?

Quote:
The Rotrex C15 centrifugal supercharger is the most compact supercharger available. Covering the range of engines up to 2 litres producing up to about 200hp or more on high efficiency engines - the C15 is the perfect choice for small engine applications such as compact cars, motorcycle engines, snowmobiles, quads etc.

Through the patented hi-speed planetary traction drive, the C15 achieves impeller speeds of up to 201,500rpm for the 16 trim and 150,000rpm for the 60 trim. The exceptional high speeds of the drive give an unsurpassed power to size ratio compared to any other supercharger on the market.

The very low noise and vibration characteristic as well as the high efficiency of these superchargers set the industry standard for what is achievable.


Click here to view supercharger dimensions
Applications

The C15 range of superchargers is designed for four stroke gasoline engines. However two stroke engines or even diesel engines can benefit from these superchargers with remarkable results. Depending on the application the C15 will support engine outputs from less than 30hp to more than 200hp. Combining two C15 superchargers on one engine will make it possible to reach very high power levels in a vehicle where packaging and space will not allow traditional supercharging with a single large supercharger.

The groundbreaking compact size enables a very flexible supercharger installation particularly on engine applications where optimum efficiency as well as weight and size are essential.

The supercharger is driven by a 7 or 8 ribbed poly V-belt depending on pulley choice. The 7 ribbed pulleys are available in aluminium and the material of the 8 ribbed versions is high strength steel. Pulley diameter ranges from 70 to 90mm in 5mm steps.

The compressor housing can be rotated freely in 60 degree intervals to allow easy adoption to any application.

Oil system

The supercharger features an integrated dual-action oil pump, that works as a dry sump scavenging pump in addition to being the oil supply pump. The self-contained oil system allows free positioning of the supercharger on the vehicle, and has the benefit of fitting the supercharger without worrying about tampering with the oil system of the engine or any other accessory.

The Rotrex C-type supercharger has been developed and extensively tested with the Rotrex SX100 traction fluid. To maintain the ultimate level of performance and durability it is very important that the unit is exclusively run with SX100 traction fluid. Make sure the inlet oil temperature is within the range specified in the table on the next page. Any deviation from the standard Rotrex oil circuit requires approval from Rotrex.

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#2 Old 11-22-2012, 08:44 PM
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No, I haven't.

A word of warning.
To increase performance on any vehicle you can do two things, reduce the weight or increase the amount of fuel it can burn.
Reducing the weight is pretty straight forward, lol, remove all the stuff in the car you don't need.

Increasing the amount of fuel it can burn is not so straight forward.
Thats why there are 4cyl, 6cyl, 8cyl, and even 12cyl engines, the more fuel you can burn the faster you can go.

Pushing more fuel into a 4cyl engine, the point of a supercharger or an NOX system, can have bad side effects.
Pistons, rods and crankshafts are made for the factory horsepower of the engine.
If you increase the fuel you increase the pressure on these parts, and that can be a very bad side effect.

If you are building a 4cyl engine then you can beef up the bottom end for the extra pressure, if you are just bolting stuff on to a stock engine, then be aware of the downside.
Blown head gasket is probably the least expensive downside.

Last edited by RonR; 11-22-2012 at 09:14 PM.
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#3 Old 11-22-2012, 09:59 PM
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.....impeller speeds of up to 201,500rpm for the 16 trim and 150,000rpm for the 60 trim. The exceptional high speeds of the drive give an unsurpassed power to size ratio compared to any other supercharger on the market.
Wow! Seriously people!!

Space Shuttle Main Engine's turbopumps spinned at over 30,000 rpm and there was a time when NASA had to figure out some new bearings and they did (Mid 1990's) otherwise the Space Shuttle would have been grounded much sooner than this year!

I wonder what kind of bearings this Super Charger unit has or is it Fluid bearing? I have yet to see an impeller that can withstand this kind of RPMs and made of what?

I fly Electric Ducted Fan unit RC Jets and would love to get my hands on an Impeller with this kind of serious performance specifications.

Should these claims be true, I would not be anywhere near that Super Charge "Impeller" unit, just in case a hair-line crack develops and one of those blades and results to depart from the impeller housing and through all kinds of material!!

Be safe people!!

RonR is correct, you will destroy a tired Engine if you do not perhaps completely rebuilt it for this kind of duty / performance service.

Last edited by guapoman2000; 11-22-2012 at 10:00 PM.
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#4 Old 11-23-2012, 12:08 AM
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^^ uhh, its extremely common for superchargers and turbochargers to have shaft speeds in that high number.

turbos can have up to 250,000 rpm ability, especially if they are super efficient small turbos running very high boost. superchargers almost always run 2-15 times your engine speed, and some engines do redline near 10k rpm


hell, you alternator runs 2-5 times your engine rpm.




its really amazing what good bearings allow! do note, most turbos rely on engine oil pressure to provide a film. and depending on stylenof supercharger, they can either have two bearings, or self incased in oil


anther perspective: they make superchargers for sportbikes, and some of them have engines revving over 15k rpm!

Last edited by M.Liston; 11-23-2012 at 12:09 AM.
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#5 Old 11-23-2012, 12:53 AM
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M.Liston,

Thank you for your reply! I will have to take a look at these units for my Electric Ducted Fan RC Jet hobby as this is what we need to spin those Impeller blades for some really scary flights!!

Thanks again!
Guapo
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#6 Old 11-23-2012, 01:18 AM
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Huh. Well I know squat about superchargers and jet engines, but that number seemed STUPID high.

Learn something new everyday. I didn't know we could spin anything 200,000 RPM's. Though, it didn't seem too crazy considering a dremel tool spins over 30,000. I want a dremel or die grinder that spins 200,000! lol. I suppose the cutting wheels would grenade themselves though.

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#7 Old 11-23-2012, 10:31 AM
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Dental drill runs at 400,000RPM, some do 800,000RPM
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#8 Old 11-23-2012, 12:53 PM
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dental drills have radius ~ 0.1cm and thus radial g-force of only 178,880 at 400kRPM

while that SC has a radial g-force of 1,502,592 at 200kRPM with a rotor radius of 3.36cm

and with decent boost levels you'll need everything to be forged and heavy duty to survive this torture: not impossible but not cheap or easy.

Interesting discussion here:
http://www.f1technical.net/forum/vie...php?f=3&t=5000

Last edited by tedmich; 11-23-2012 at 01:12 PM.
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