クラッチ
 クラッチは、エンジンの動力をタイヤに伝えたり切り離したりする装置で、の3つの層に分かれています。(下の図参照)
握ると動力は切り離され、放すと動力が伝わります。
ただ、スイッチのON・OFFのように単純に考えてはいけません。
 
 
クラッチを放しても青い層では動力は全く伝わらず、の境目までいって始めて力が伝わり始めます。
更にクラッチを放していき、赤い層の中間で50%、の境目で100%の力が伝わります。
つまり、クラッチは力を伝える量を調節する装置といえます。
ですから、クラッチがの境目にある時はいくらアクセルを回してもスピードはでません。
また、クラッチを徐々に放していくと、力が伝わる量が増えてスピードが上がります。
 
 ☆ 発進時のクラッチ操作
@ 発進時はクラッチをの境目辺りで止める(半クラッチ)と、少しだけ力が伝わり滑らかな発進ができます。
A 無事発進できたらクラッチを徐々に放していき、力が伝わる量を増やしてやります。
 ☆ 低速時のクラッチ操作(クランク、一本橋など・・・)
アクセルを一定にし半クラッチで力の量を調節すると超低速走行ができますよ。(足ブレーキも使ってください)
 
クラッチを完全に放した状態
クラッチを全部握った状態
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