Have you ever wondered why racing cars use straight cut transmission gears instead of helical gears? Here's what you need to know.

Witness the art of machining helical gears using a lathe, showcasing powerful combination lathe techniques that bring ...

This is a cut-away of a G-Force T-5 with straight-cut gears and dog-ring engagement. The straight-cut gears are noisier than helical gears, but they provide more contact area and are much stronger.