[Fot] Flywheel wt & crank harmonics -TR3/4

TeriAnn J. Wakeman tjwakeman at gmail.com
Thu May 21 14:10:33 MDT 2020


On 5/21/20 12:50 PM, Steven Belfer wrote:
> A heavier flywheel just takes a bit longer to get up to the higher 
> revs but the total max rpm is the same. If it is balanced properly, 
> there is no change to vibration. Most race cars utilize a harmonic 
> balancer to absorb those strange vibrations
I think the harmonic balancer is specifically to address the big 
harmonic at around 5200 ish RPM. What happens to the crank harmonics 
when the weight at the back of the crank changes?
>
>> On May 21, 2020, at 12:43 PM, TeriAnn J. Wakeman via Fot 
>> <fot at autox.team.net> wrote:
>>
>> 
>>
>> Something I have wondered about for years.
>>
>> Does the weight of the flywheel affect the RPM and intensity of 
>> harmonics inherent in a TR3/4 stock crank? I've never found an answer 
>> to that question.
>>
>> TeriAnn
>>
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