question for all the carbon fiber guys

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Scottm091

Joined
Jun 19, 2015
Messages
105
Location
Overland Park, KS
For those that have a lot of carbon......

I have an R1 that has tons of good quality carbon fiber on it. Magical, akrapovic, cleverwolf etc. I have noticed that the bike is way more "buzzy" in its most recent form than it was when stock. I have since put it back to mostly stock to sell and much of the buzz is gone again. Carbon being what it is - light, rigid, etc... Has no real damping effect so I contributed a lot of this to all the carbon. So......

Do you all notice this on the Panigale as well? One of the things I love about the 1299 is the relative lack of high frequency vibration. Granted - it vibrates like a twin does, but not at the high frequency that the R1 does. My RC 51 also doesn't have this issue and it's mostly carbon free. I would like to add some carbon bits to this one, but fear that I will, by default, bring this annoyance back to the party.

Love to hear your thoughts.
 
Hello. Really? Had a VTR SP2 and that thing was buzzy. The 1199 got none of that,
cant think the 1299 would be any different.
Throw that ugly o.e.m plastic in a bin,did so myself and dont notice any difference.
 
The Dragon .... is definitely not buzzy, but then she is only carbon here and there, everywhere.. :D
 
Doubt you'll find a bigger CF fiend than me within this place.
Right old friends? ;)

And what must it be too? Wet , glossy, see your reflection in shiny too! Otherwise there is no other CF ! Just ask Guido! ;)
 
Like yourself I noticed this with my all carbon fiber zx6r that i had. there is indeed a lack of dampening if you will when using the quality lightweight carbon fiber parts.

Also felt the same thing with my old zx-10r, had custom track bodywork with a suzuka endurance race headlight, again this was very light fiberglass..

The Panigale i have not noticed it at all, might be as the motor is such a Huge part of the bike, Minimallist at its finest.
 
ZERO clue what you mean by all of that man. ;)

It truly seems the entire new faction of people here have no handle or meaning of it all compared to what all of the old crowd had been thru and how they come out in the end. Very very odd set of circumstances are derived almost like two generations in the end.

And what is it you shall choose.................
 
I used extensive carbon fiber on my S1000RR; didn't really notice any change in the buzziness - the bike is naturally buzzy in high frequencies.

Not really holding back on the CF on the Panigale either, but they're trim pieces.

A friend of mine just recently finished rebuilding his 1098, and went 100% carbon fiber fairings. I'll ask him if he notices any buzz that's different from before, when he gets it on the road in a couple days.
 
for some reason, I love gloss carbon on everything except Ducatis. The understated matte just seems to fit the bike better, at least for my personal taste.

I have had friends who went all out on carbon fiber on their Ducatis, and wished they had done gloss instead of dry matte, when all was said and done.
 
Perhaps you just need to add some nanocomposites to eliminate the buzz or dampen the attachment points of the panels.

"Vibration damping characteristic of nanocomposites and carbon fiber reinforced polymer composites (CFRPs) containing multiwall carbon nanotubes (CNTs) have been studied using the free and forced vibration tests. Several vibration parameters are varied to characterize the damping behavior in different amplitudes, natural frequencies and vibration modes. The damping ratio of the hybrid composites is enhanced with the addition of CNTs, which is attributed to sliding at the CNT-matrix interfaces. The damping ratio is dependent on the amplitude as a result of the random orientation of CNTs in the epoxy matrix. The natural frequency shows negligible influence on the damping properties. The forced vibration test indicates that the damping ratios of the CFRP composites increase with increasing CNT content in both the 1st and 2nd vibration modes. The CNT-epoxy nanocomposites also show similar increasing trends of damping ratio with CNT content, indicating the enhanced damping property of CFRPs arising mainly from the improved damping property of the modified matrix. The dynamic mechanical analysis further confirms that the CNTs have a strong influence on the composites damping properties. Both the dynamic loss modulus and loss factor of the nanocomposites and the corresponding CFRPs show consistent increases with the addition of CNTs, an indication of enhanced damping performance."
- Vibration damping characteristics of carbon fiber-reinforced composites containing multi-walled carbon nanotubes :D
 
Whilst I don't have a lot of CF, I do a bits and pieces and I don't find the bike "buzzy" at all.
 

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