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cutting down a fly wheel

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Old 04-15-2003, 02:31 PM
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Default cutting down a fly wheel

what would happen if i cut down my fly wheel on a .21. to let's say the size of a dime. would i get more eng performance ? or just waste my time. it does'nt seem to serve much purpose other than to hold things in front. this is on a savage. also does the fly wheel help disipate much heat ?
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Old 04-15-2003, 02:40 PM
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Default cutting down a fly wheel

If you cut it down to that size.. your engine will probably stall.

Thepurpose of a flywheel is to smooth out the power coming from a reciprocating engine and to help it keep going.

What makes the piston compress the gases when it does??
The FLYWHEEL!
If you cut it down, your engine will stall easier and the power will be more "jerky" and raw.

Also your flywheel has to be perfecty true. If its not, the vibrations will probably kill your engine prematurely.

Getting a lighter flywheel will, however increase your throttle response. Not much but its something.

ram
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Old 04-15-2003, 03:03 PM
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Default cutting down a fly wheel

thanks somehow i knew you would know the answer, sounds like it will be left alone. or replaced w a lighter one w vent holes!:]
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Old 04-15-2003, 03:06 PM
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Default cutting down a fly wheel

Sounds good.

What kinda car do you have? IF your replacing it, get a good aluminum flywheel. Some of the ones with the vent holes are pretty interesting. I think they act like a fan and cool the engine. I dont know how much air it "blows" but its an interesting concept

Good luck!
ram
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Old 04-15-2003, 03:11 PM
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Default cutting down a fly wheel

truck is a savage w stock eng for now but i have a .21 hyper 8 in a box waiting to be broken in. should the 8 port be broken in with the stock exhaust and stock head. the eng in it now has c-vec and a big cooling head?
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Old 04-15-2003, 03:16 PM
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Default cutting down a fly wheel

rrp makes a vented fly wheel #8552 for t-maxxthey say it's lighter and should cool around the eng better . be nice to know if they will make one for savage saw this in r/c mag last night.
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Old 04-15-2003, 03:16 PM
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Default cutting down a fly wheel

You dont have to break it in with any specific head or pipe on. You can make all the mods before you run it. Just dont change anything from the inside.

I would also take a look and make sure there isnt any debris left inside the engine while your at it!

-ram
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