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hockey pucks in cooling fins..

  • Thread starter Thread starter suzukiSam
  • Start date Start date
S

suzukiSam

Guest
ok, maybe not a technical question, but what exactly is the purpose of all these wee 'hockey pucks' I keep finding amongst the engine cooling fins ?

Fin Flap Fluctuation Foilers ?
 
You guessed it.
woohoo.gif


.
 
I'm guessing it had something to do with resonant frequencies. Fin flap, in other words.
 
ok, dang.. I tossed alot of them out.

has anyone figured out a fudge fix for the fin flap fluctuation foilers or are these a dealer item only ?

(Sorry, it was the letter F day on Seasame Street this morning)
 
I can't keep the f's going, but the reason for the FFFF's is noise. Specifically, the noise regs for bikes were tightening up in the early 80's and the ringing noise you get from aircooled engine fins was a noticeable contributor to overall noise levels. Hence, FFFF's to stop the ringing noise. Lots of the later aircooled bikes (all brands) had some version of them.

Mark
 
This thread deseves the Flying Fickled Finger of Fate award.

(All due respects to Dan Rowan and Dick Martin)
 
My understanding is that the FFFFs serve No Functional purpose so Fling them Far away and be Finished with them! :--)
 
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