Quote:
Originally Posted by projek_01
Wow, what makes you so sure that my unit will never work or be reliable again? Do you have a mechanical or engineering background to explain why it wouldn't?
I'm glad your unit is good and reliable. I'm not trying to prove anything. I have nothing to gain from showing the flaws in my Rotrex C30. I spent my hard earned money to buy this supercharger just like everyone else but mine was starting to fail. It's not like I'm trying to sell people turbo kits and steering them away from a Rotrex.
Just like the FA20 engine, the Rotrex is a decent unit. Many people have put lots of miles and track time on it without a single issue. However, I'm just merely pointing out it's flaws and showing places where it can be improved in my opinion. This is equivalent to someone doing a FA20 teardown/rebuild from a spin bearing or thrown rod. I feel like some people are getting a little offended when I jab at some design flaws.
The blower is fairly reliable for most people but we also can't ignore the fact that a fair amount of people have experienced failures with the KW AND JRSC (less often). We are lucky that our FA20 doesn't rev to the moon like the F20C or K20 in the Honda world. Type in Rotrex failure in a Honda forum and you will see what I mean. Either way, my opinion IS biased because I own a failed unit. I admit that for sure. As a retailer of the JRSC or owner of a working unit, you are entitled to your own opinion.
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How high the engine revs has nothing to do with high how the Rotrex is revved. The pulleys used determine the ratio, and a rotrex geared to rev to 90,000 (for example), will rev to 90,000 at redline, whether the driving engine is doign 6000, 8000, or 10,000 rpm.
In other words, the engine's RPM + gearing determines rotrex RPM, not just the engine RPM.