A tale of 3 Superchargers - Page 8 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Forced Induction All questions and problems regarding Superchargers, Turbos, NOS, ZEX, intercoolers, water injection, etc.

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Old 11-23-2006, 11:49 PM   #71
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Quote:
Originally Posted by willwren
Don't change the SIZE of the existing outlet. ASK QUESTIONS.
I haven't!

You removed the two studs for the screws. You have changed the size of the Outlet. I am ASKING you why? You said look at the Gen 5. Am I not seeing something here?
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Old 11-24-2006, 12:05 AM   #72
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This isn't something I can teach you overnight. You need a decent background in physics, including thermal and flow dynamics. You need to research how and why a roots supercharger works.

You can't alter the diagonal lines of the triangular outlet without adversely affecting efficiency. The charge needs to be released at the right moment or point in time. This really isn't something you should attempt until you learn these things for yourself. This is something you should have done for you by someone that does.

Knowing what edges and surfaces to smooth and polish, and knowing WHY is what it'* all about. If I sat down to put it all on paper, I'd have a book by the time I was done. I've personally taken 4 years of research, study, and trial and error to get to the point I'm at now.

Including lots and lots of cad work and analysis:
http://www.bonnevilleclub.com/forum/...65027&start=20
Not to mention phone conversations over the last couple years with both Eaton and Magnusson Engineers. Yup. Usually dealing with a crappy vendor and getting advice on what should and should not be changed and why. I've bought books and researched for hours before picking up tools. You should do that too.

In other words, until you understand WHY and HOW to do it, don't. Superchargers don't come cheap. I'm not trying to discourage you. I'm trying to discourage you from creating scrap.

Put it off until next season if you need to, but UNDERSTAND it. Get INSIDE that roots blower, and BE THE AIR. It sounds corny, but that'* what it'* all about. Besides, the outlet is the LEAST of your concerns in porting and polishing one of these.
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Old 11-24-2006, 12:53 AM   #73
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This is exactly why I want a spare casing! Great thread. This is definitely something I want to do - eventually. Improve what I have now, and go nuts from there.
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Old 11-24-2006, 01:56 PM   #74
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Quote:
Originally Posted by willwren
This isn't something I can teach you overnight. You need a decent background in physics, including thermal and flow dynamics. You need to research how and why a roots supercharger works.

You can't alter the diagonal lines of the triangular outlet without adversely affecting efficiency. The charge needs to be released at the right moment or point in time. This really isn't something you should attempt until you learn these things for yourself. This is something you should have done for you by someone that does.

Knowing what edges and surfaces to smooth and polish, and knowing WHY is what it'* all about. If I sat down to put it all on paper, I'd have a book by the time I was done. I've personally taken 4 years of research, study, and trial and error to get to the point I'm at now.

Including lots and lots of cad work and analysis:
http://www.bonnevilleclub.com/forum/...65027&start=20
Not to mention phone conversations over the last couple years with both Eaton and Magnusson Engineers. Yup. Usually dealing with a crappy vendor and getting advice on what should and should not be changed and why. I've bought books and researched for hours before picking up tools. You should do that too.

In other words, until you understand WHY and HOW to do it, don't. Superchargers don't come cheap. I'm not trying to discourage you. I'm trying to discourage you from creating scrap.

Put it off until next season if you need to, but UNDERSTAND it. Get INSIDE that roots blower, and BE THE AIR. It sounds corny, but that'* what it'* all about. Besides, the outlet is the LEAST of your concerns in porting and polishing one of these.
That was the kind of answer I was looking for. Sorry you had to type such a long explination but others will benefit from this.
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Old 11-24-2006, 02:00 PM   #75
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Oldsman, get a spare case. We can go through it step by step right here. All you need is the case. No rotors or ND.
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Old 11-24-2006, 04:33 PM   #76
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Quote:
Originally Posted by willwren
Oldsman, get a spare case. We can go through it step by step right here. All you need is the case. No rotors or ND.
I will get back to you once a aquire a new casing.
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