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Anders als der recht schnelle und geschmeidige Schaltvorgnag einer AW ist der Schaltvorgang bei der Sw iwe ein Müllfahrzeug. Allzuoft findet man sich wieder bei der Jagd nach dem Eingreifen der Sperrklinken nach dem Schaltvorgang. Hochschalten resultiert oft in einem lauten "Kär-Klonk", wenn die Sperrklinken und der Sperrklinkenring eingreifen und manchmal kommt ein einfaches schnelles "Klick" - das ist ein Indikator für einen unpassenden Schaltvorgang. Zudem hat Brian Hayes beim Herunterschalten herausgefunden, dass dieser manchmnal recht störrisch bis hin zur Irritation funktioniert. Während man pedaliert, hört und fühlt man gelegentlich ein leises "Pop", wenn eine Sperrklinken in Position springt. Für dieses Verhalten gibt es nach bestem Wissen und Gewissen keine Verbesserungsvorschläge. Für ihn ist es der enttäuschendste Aspekt beim Betrieb der SW Nabe. | |||
I would also caution against what I'll call "pedal shifting" whereby upshifts are accomplished by maintaining pressure on the pedals, shifting the trigger, and then releasing the pedal pressure a bit when the actual shift is desired. I use this method to good effect in traffic with my AW hubs, but I worry that the SW may not tolerate an occasional partial engagement. Even a "fresh" SW will occasionally skip in normal or high gear if the shifting is sluggish or clumsy. Check the operation of the toggle chain and make sure there is no binding to interfere with rapid movement during gear changes. In practice, I have found that the rider develops a certain cadence for good upshifting that results in three distinct sounds, rather like a drum player's "ba-dump-bump" at the punch line of a joke. These three distinct sounds are presumably the trigger release, the pawl ring slapping against the gear ring dogs, and finally pawl engagement. If your upshift results in a simple click sound, coast a bit and re-engage because this type of shift often results in a slip. Click here for how a "good" shift sounds on one of my bikes (I recorded this whilst riding). | I would also caution against what I'll call "pedal shifting" whereby upshifts are accomplished by maintaining pressure on the pedals, shifting the trigger, and then releasing the pedal pressure a bit when the actual shift is desired. I use this method to good effect in traffic with my AW hubs, but I worry that the SW may not tolerate an occasional partial engagement. Even a "fresh" SW will occasionally skip in normal or high gear if the shifting is sluggish or clumsy. Check the operation of the toggle chain and make sure there is no binding to interfere with rapid movement during gear changes. In practice, I have found that the rider develops a certain cadence for good upshifting that results in three distinct sounds, rather like a drum player's "ba-dump-bump" at the punch line of a joke. These three distinct sounds are presumably the trigger release, the pawl ring slapping against the gear ring dogs, and finally pawl engagement. If your upshift results in a simple click sound, coast a bit and re-engage because this type of shift often results in a slip. Click here for how a "good" shift sounds on one of my bikes (I recorded this whilst riding). |