Answer
90 DEGREES
90 度
WINDOW QUESTION · ANSWERBUILD CLUB
The question
BY HOW MANY DEGREES DO THE MESHING BEVEL GEARS CHANGE THE DIRECTION OF MOTION?
互相咬合的斜齒輪，會把轉動方向改變幾度？
Why it works
THE BEVEL GEARS TURN HORIZONTAL INPUT INTO VERTICAL OUTPUT
斜齒輪把水平輸入轉成垂直輸出，帶動旋轉木馬
See it in action · HOW THE MERRY-GO-ROUND TURNS
Watch the matching video
This video uses YouTube’s privacy-enhanced embed mode.