NEW FORCED INDUCTION SYSTEM!!!!11
 

OMG OMG OMG GUYS LOOK WHAT I STUMBLED UPON ON TEH EBAY!

http://cgi.ebay.com/ebaymotors/NEW-B...QQcmdZViewItem

Its so JDM! Quoted directly:

All in all it was a good laugh. It looks like a normal eBay POS. Enjoy it for the 5 seconds of fame it will have.

Re: NEW FORCED INDUCTION SYSTEM!!!!11
 

a belt driven turbo... hmm sounds like, wait what is that called again? a super charger...

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Thats mad tight with the JDMness Yo!

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looks like a cheap supercharger, well looks like they took the exhaust housing off of a turbo and put a gear on there, I bet it might work if the gearing is right.

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my first thought.. i asked him if he's basicly selling a ghetto rigged supercharger for almost the same price as a real one.. i wonder how he'll respond ;D

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yup, combining the worst aspecs of a turbo with the worst aspecs of a supercharger

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Oh look, it wont even work on a honda, what a piece of ----.

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this isnt new. go google VORTEC ::)

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ding!

Re: NEW FORCED INDUCTION SYSTEM!!!!11
 

Yeah...uhmmm...okay.....weak.....

It probably works, and it might work ok at 5psi, but that's a stupid design. For the price you can do so much more.

Sad thing is most kids don't know anything about anything and when they see a 3500 turbo kit, and a $1495 for this junk of junk, they will buy this thing.....Too bad they don't know HMT....

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This has been done before. It might make a little boost but a compressor like that needs to spin much faster than that. Thats why the superchrgerslike that have gears in side them to make them spin much faster.

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OK....for that to work wouldnt the alternator have to be constantly running?.....constantly throwing stupid high voltage back to the batter....ruining the alternater from heat?............just a thought thats all......

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with this money i do a good setup :P

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WTF are you talking about. The shaft always spins. Why even formulate a thought like that?

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derrr I always thought the Alternator had a clutch like air conditioning and shut off when idling...derr
It's a Supercharger.

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haha omfg this guy got his panties in a major twist, read this ----

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Ahaha! BEautiful! Impressed he said anything at all.

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go suck a lemon dude, suck a lemon


llllllleeeeeeeemmmmmmmmoooooooonnnnnnnn!!!!!!!!!!


but come one now, custom colors? who do you know that has a pink turbo? err, i mean supercharger? i mean, ummm, whatever that ---- is

Re: NEW FORCED INDUCTION SYSTEM!!!!11
 

Encase there was some confusion, I'm not ------- stupid. I know this has been created already in the form(s) of many other devices. I was posting it for the laughabliity factor.

Re: NEW FORCED INDUCTION SYSTEM!!!!11
 

me thinks fastLS is the seller here or may know who it is

lol the guy knew about my Z and my 510

the sad thing is he'll probably make a small fortune off of this because of dumbass's who dont know anything about boost

i'll just take my lemon and leave :8

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respond with a link to this thread ;)

Re: NEW FORCED INDUCTION SYSTEM!!!!11
 

Hemmm.... So I was doing a search on the internet about the BDT and I came to your site, so I joined and here I am posting my first post.

Thomas Kight:
http://www.boosthead.com/updates.php

Home Made Superchargers: (click on the gator)
http://www.gatorsuperchargers.net/

Wynjammer (yea I read about the flame war thread about it being BS):
http://www.wynjammer.com
http://www.boats.com/boat-articles/H...oost/2069.html

Looks to me like they are about the same one is front drive one is rear.

The curious thing, Thomas Knight is well known in the industry for his turbo stuff, been around for 30 years. Leaves me wondering...

I might stick with a turbo setup, but for low boost, if the supercharger runs as cool as is claimed, well then for low boost a turbo couldn't touch it.

As for the wynjammer, A budy has one his s10, running 8 PSI and it is a nice setup, so I know the wynjammer works, dont have a clue about the other stuff.

Yea I get the whole you can do a DIY turbo for less, but I dont want to tap the oil pan or deal with the heat or add an intercooler.

Looking at doing my Infiniti M30 not sure yet, VG30 3.0 V6...

Re: NEW FORCED INDUCTION SYSTEM!!!!11
 

very interesting

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Go do some reading on basic thermodynamics and you'll learn that when any air is compressed, either from a turbo or a supercharger, heat is produced. You don't need to add an intercooler for a turbo, but a turbo or a supercharger will benefit from intercooling. And tapping an oil pan takes about a half hour, its not that big of a deal.

Re: NEW FORCED INDUCTION SYSTEM!!!!11
 

I did the reading, from what I found the Centrifugal Supercharger runs a lot cooler at a given RPM.

Which got me thinking about the whole line of superchargers out their, then I cam across those differnt links and the ebay stuff.

As for tapping the pan, the only safe way to do that in my opinion is to pull the pan, which I dont want to do. I dont have a lift and that means a creeper under the car, something I would like to avoid, then their is the fabrication of the turbo header, dont get me wrong, the Leopard (JDM)/Infiniti m30 was available with a turbo, ceramic setup. For that matter the vg30 is the same core engine as the 300zx and Maxima, except in the Infiniti you get a SOHC. Not the DOHC, so a twin turbo swap could be done and has been done from what I read.

That and the chasis is the same as the R31 Skyline with cosmetic differences, so I can bolt up a lot of r31 and r32 suspsnesion stuff and so on. I know of a few 5 speed conversions.

Anyway I am happy with the stock 210hp to a point, its a heavy car, 6-8 PSI would be a nice upgrade and no lag. Of course max boost comes at max rpm, but you do get boost across the rpm range, just not as good as a roots for off idle or something like that. But roots suck as efficiency goes and a screw type costs to much.

The turbo might be nice... just undecided, hince the posts, and I am most curious.

I read Max Boost and a few other books. The results I see on the s10 are impressive and that setup was 1700.00 shipped with chip.

Seriously I suppose you could make your own or some such, no different than a DIY turbo. I think these guys just did that with a Supercharger, they might be calling a BDT for marketing or some crap.

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turbos are more efficient than superchargers. I bet a $65 ebay 150000 mile Garrett 42/48 would make this thing look like a hairdryer, you have to spin it much much faster than that setup ever could. My turbos peak flow comes at 128000 rpm or somthing like that...

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Actually I did some research on it and your wrong on the efficiency. A properly sized turbo vs. a oversized centrifugal supercharger, maybe.

But in general turbos are rarely properly sized, they along with all the hard ware like the header pipe is a compromise.

As for Rpms, they claim a lot less rpms, thomas knight stated that is a large compressor wheel, with smaller inducer that makes 6 PSI by 30k.

Look at any current Centrifugal unit, they dont spin at high speeds like a turbo, they spin a lot less. The difference I think, if I understand all the BS correctly is that this BDT thing has a smaller inducer so they sacrafice max flow. Where a paxton or procharger would flow up to 1100 CFM and is way oversized for a small displacement motor.

The numbers, the theory, all that makes for a good solid arguement, which is why I was doing more research.

In theory, big wheel, small inducer, large inducer to exducer ratio in the right housing would flow the right CFM and make boost at low rpm, the question is, are they or have they really done that or is it some BS scam like those bilge pumps.

When you look at the wynjammer, its the same thing, only spinning counter clockwise. From the wynjammer sight and various articles, it is seriously hard not to believe the ---- works, Ghetto or not. It doesnt look like it is supposed to be some high PSI monster.

A centrifugal supercharger has a lot of advantages including less delta rise than a turbo for the same boost level. That means you can tune for more power, but ultimately you arent going to run no 1 bar with that home made supercharger.

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i'd be a guinea pig, but 1k is too much. pm me if you want to work to something out

Nick

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wtf are u talkin about. your car isn't even turbo... nor do u have any experience with em. ---- all your reading. go do somethign with ur hands and not ur eyes.

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the idea is not new..........

http://www.turbomagazine.com/tech/04...blitz_09_z.jpg

http://www.w2wpowertrain.com/t-techRotrex-2.aspx

fun to play with, but they HAVE to run a special fluid.......

Re: NEW FORCED INDUCTION SYSTEM!!!!11
 

Yea I have seen the Rotrex, damn expensive, plantary Gear Drive, medium sized wheel. Their is a guy in town that fits them to custom Harleys. Yea Rotrex started out being fitted to BMW quite a while back, then HKS had some units stamped with their name on the housing for the 350Z. They still run a internal ratio via the plantary drive.

Most centrifugal units average a 4:1 internal ratio, then of course the external crank to Supercharger pulley. If you only needed 30K at 6k thats only a 5:1 ratio, thats nothing. Again thats why I was trying to find more information. Wynjammer units work, s10 guys love em, same with the TBI GM crowd, mustangs and Ford trucks, must be something to it. That is what makes it hard to decide if its BS or not. If Wynjammer made a kit for the Infiniti I would probably jump on it, cause I have seen one up close, and my friend has been running his for over a year with year problems.

No turbo or supercharger on this car yet. I did the turbo thing on my Bug, My GTI and My old Camry. Not new to turbos, like I said in the begining, was looking for information. Other than the attitude these bdt guys through at one of you anyone got more to go on?

I cant say I like the price either. I do like the idea of easy install and low heat for more power at low boost.

Whatever, the hard choice is turbo or supercharger. ---- I might just say screw it and do the twin turbo swap from a 300Z. Or some ---- like that.

I like to do the research before I start a project and thats where I am at. But hell Im not hurting for boost, I got a crazy ass minivan - yea minvan hahaha its a dodge caravan, Started from the factory with a 2.2 Dodge Turbo motor. Now its got an Intercooler, more boost, super 60 setup, its running 13s - 13.184 @ 102.57 mph. :o :y

Its a little sleeper and great for hauling my work ---- around and getting to and from school. That pass was with full interior, not some stripped down sled. A/C, power everything. Still sucks that its a van, but hell I can pull the seats and toss in my Bike or haul parts all that ----. ;D

Re: NEW FORCED INDUCTION SYSTEM!!!!11
 

Pretty interesting.

IMO I still wouldn't get one of these products over a supercharger or turbocharger. Like others have said, a turbo requires a bit higher rpm than a belt driven turbo will provide...unless it's geared for it. It wouldn't surpise me that turbos run hotter...don't forget what spins the turbine on a turbo.

Welcome to the forum RacerX.

Re: NEW FORCED INDUCTION SYSTEM!!!!11
 

Thanks for the welcome, I am still reading old threads. So adjusting.

Yea I get the heat issues.

Thing is, look at procharger: http://www.procharger.com/models.shtml

Then look at large Turbos, the larger the exducer the lower the rpm required for boost and with a larger inducer higher flow rates like:

http://usera.imagecave.com/bullet924/Tubos/T88.jpg
http://usera.imagecave.com/bullet924/Tubos/T91.jpg

Less rpm is required for boost but the flow rate is huge, like the prochargers, way oversized one of those turbos on some small motor would be overkill, exactly why regular centrifugal unis suck ass when used on small motors. Our flow rates are so far left of the surge line it aint funny.

So if you could pull the flow rate from a small inducer size and match it to a large exducer (major diameter of the wheel) then in theory you would have the cfm of a smaller turbo but boost would come on quicker. The exhaust side of a turbo is what spins the wheel, but the wheel size is what makes for flow and boost numbers.

As for the ratios, if you take a 4.44:1 ratio and then something like a 2:1 external ratio(see the C-1 - when mounted on a import) you get a max ratio of 8.88 at say a redline of 6k that equals = 53.28k.

And the C-1 has a 4.25 exducer, comparable to something like a T-72. In theory then take a larger wheel like the T-91 with its 5" exducer so that drops rpm for the same amount of flow to around 45.28k

Look at how the size of the exducer increases, bigger and bigger wheels in the procharger and look at how much the CFM increases even with similar inlet and outlet sizes.

The wynjammer does the same thing, big wheel, around 6" from what I can tell in a large housing, and the ratios are what determines flow.

From the Crank to the Alternator seems to be 2.5:1 on the S10, then from the Alt to the SC is another 3:1 so that yields a total ratio of 7.5:1. If we follow the same logic then we need 37.29K for the same boost with the 6" wheel, with all other things being the same. Of course I could have all this ---- bass ackwards... But 37.29 /7.5 = 4.9k engine rpm.

So if you can get the ratios externally without having to use an oil bath or any bs like that, you end up with the wynjammer, or some ---- like it, external ratios instead of internal, no heat soak of the belts, like the silent drive from procharger, biggest failure on centrifugal units was with internal belts, cause you cant keep the cool, gears yes.

Anyway, they talk a good game and the theories and engineering ---- holds up, simple facts, large wheel means less RPM to achieve a level of flow and pressure, smaller inducer less overall flow per rev.

Like I said before, I get the engineering bs, Im studying to be a mech. engineer, I get flow dynamics, I get the thoery and all that crap, I get the efficiency, if its for real, it will run cooler and last longer than a internal drive unit, by nature of its design. Sealed bearings class 9 especially have insane load and speed ratings, if that is what they are using even in steal, let alone ceramic, then thats a class above what paxton, procharger and vortech use on all but their high end stuff, most of their setups, use a class 7 bearing on the main shaft and only a class 2 on the input shaft.

My teach, has some experience in this crap, we took apart a busted one in class to discuss load, engineering, oil bath etc... great class, its what got me interested in this ---- over a turbo in the first place.

Anyway who the F--k knows, they talk a good game and the engineering and all that from procharger, rotrex, etc.. is their, time and again all the centrifugal companies that have come and gone, use big wheels for boost at a lower rpm and more flow.

Hell if you go way back their where units used in the hay day of racing early on that ran 8" compressor wheels and made serious boost by 18k compressor rpm.

Like I said the search goes on, as for the cost, the cost of their BDT or whatever you call it, is no different than a new paxton, procharger or vortech, and seems to include a mounting system via the alternator, something that doesnt come with buying just a paxton, you have to buy a damn 3k+ kit to get all that ----.

Some one save me from myself.... the damn ---- sounds good when I look at it from an engineering perspective, but no way of knowing if they are suppling the real deal, I suppose I could get a Wynjammer and adapt it, but ---- I could just get a used paxton and or something and adapt that, course you dont get a warranty, hahaha but I dont need no stinking warranty!

On the other hand if you look at other turbos with small inducers