Antnicuk
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| posted on 24/10/09 at 07:15 PM |
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I love being blown but going a different method over winter!
I currently have a to4e fitted but always wanted to try supercharging a rotary so i'm going to give it a go over winter.
Not really sure what to expect but i will report back.
This is coming off
and this little beast is going on!
600 BHP per ton, Stylus Brought back from the dead! Turbo Rotary Powered!
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CraigJ
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| posted on 24/10/09 at 07:25 PM |
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Or why not use both?????
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speedyxjs
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| posted on 24/10/09 at 07:57 PM |
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quote:
Originally posted by CraigJ
Or why not use both?????
Yeah, i would. Just look at the hypercharged rally cars of the 80's. 700+hp from a 1.8 
How long can i resist the temptation to drop a V8 in?
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Antnicuk
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| posted on 24/10/09 at 08:15 PM |
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there isnt that much room in my little engine bay, also, its not about more power, ultimately i wont get more power but hopefully it will be a
different power, but its more about having a play and the supercharger is borrowed from a friend 
600 BHP per ton, Stylus Brought back from the dead! Turbo Rotary Powered!
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Xtreme Kermit
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| posted on 24/10/09 at 08:27 PM |
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Won't it leave a bit of a gap if he asks for it back...
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BenB
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| posted on 24/10/09 at 09:15 PM |
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Nice 
Centrifugal blowers are quite nice. Bit of a compromise between the roots type (X% extra through the rpm range) and the turbo (ie big wallop of boost
at possibly high RPM).
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snapper
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| posted on 25/10/09 at 07:19 AM |
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I have always thought that a supercharger would deliver torque in a smoother more manegable way in a light car, look forward to your conclutions.
I eat to survive
I drink to forget
I breath to pi55 my ex wife off (and now my ex partner)
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Ivan
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| posted on 25/10/09 at 07:34 AM |
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Please keep us updated on your findings - is it really that much better than a turbo on the track or does it just require a different driving style
without really affecting lap times? I would love to know!!
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Ben_Copeland
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| posted on 25/10/09 at 07:40 AM |
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The problem with Turbos is they tend to "kick" in at the wrong point on a corner. So if you have a big turbo and light car you tend to
spin the rear wheels in the middle of a corner. Not good.
SuperChargers give a more gradual boost all through the rev range. So theres a lot less kick because its already working!
Ben
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indykid
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| posted on 25/10/09 at 09:36 AM |
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if you have good management on a turbo, there's no reason it can't be as smooth and progressive as a supercharger
the kick is purely down to setup
tom
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Antnicuk
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| posted on 25/10/09 at 11:02 AM |
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quote:
Originally posted by indykid
if you have good management on a turbo, there's no reason it can't be as smooth and progressive as a supercharger
the kick is purely down to setup
tom
you have a point but unfortunately, especially with rotaries, the more freeflowing the turbo is the bigger the kick and you cant really do much about
it, its ok with small turbos but you are then limited with the power.
here is one of my old power graphs, the higher line is BHP at the wheels at 0.7 bar boost.
As you can see its quite a smooth power curve but was still an animal mid corner especially at higher boost levels.
I am going to have a play at controlling the boost without changing pullies and belts. Using a wastegate and a boost controller (which i already
have.)
[Edited on 25-10-09 by Antnicuk]
600 BHP per ton, Stylus Brought back from the dead! Turbo Rotary Powered!
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