Yeah I've seen GR do them like that. For race motors.
But- really if you want one that light and are gonna rev it hard, a steel one is safer. Remember where your nuts are!
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| 1100S fly wheel https://www.ausmini.com/forums/viewtopic.php?f=2&t=5283 |
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| Author: | gafmo [ Fri Mar 04, 2005 3:13 pm ] |
| Post subject: | 1100S fly wheel |
http://cgi.ebay.com.au/ws/eBayISAPI.dll ... 65952&rd=1 It does say lightened but I have not seen it done like this |
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| Author: | drmini in aust [ Fri Mar 04, 2005 3:22 pm ] |
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Yeah I've seen GR do them like that. For race motors. But- really if you want one that light and are gonna rev it hard, a steel one is safer. Remember where your nuts are!
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| Author: | aaron [ Fri Mar 04, 2005 3:30 pm ] |
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i wouldn't want to be on the recieving end of one letting go! ouch! Cheers Aaron |
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| Author: | gafmo [ Fri Mar 04, 2005 3:54 pm ] |
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Nor Me... 
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| Author: | benjamin [ Fri Mar 04, 2005 4:55 pm ] |
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would it really break? |
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| Author: | drmini in aust [ Fri Mar 04, 2005 5:57 pm ] |
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Can do. Stock flywheels are grey cast iron, not real strong stuff. Made less strong when people bash them off with a BFH and other improvised methods. All it takes is a crack... and they do make a mess of everything if they go bang! at high rpm. In a Mini, this includes you due to its location.
Many race cars wear steel scatter shields around the flywheel for this reason.  Lets all convert our Minis to LHD! 
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| Author: | benjamin [ Fri Mar 04, 2005 7:25 pm ] |
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so proper lightened flywheels are made from a different material to stop that happening |
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| Author: | Zizzle [ Fri Mar 04, 2005 7:38 pm ] |
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Just thinking about the rotational velocity on the outside of the flywheel @ 8000rpm. Guess diameter to be ~40cm, therefore circumference 1.256m 8000rpm x 1.256m per rev = 10048 m per min = 602km/hr Yep a chunk of cast iron with that much kinetic engergy wouldn't tickle in your lap 
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| Author: | drmini in aust [ Fri Mar 04, 2005 9:09 pm ] |
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benjamin wrote: so proper lightened flywheels are made from a different material to stop that happening
Race ones are made from steel, or alloy with steel inserts. |
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