Title. Looking at hitch mounted bike racks, specifically two types: racks that have a vertical bar and the bike hangs down by the frame, and racks with a horizontal platform that the wheels sit in. Think things like Thule.
I see heavy ebikes being held by heavy duty racks, or multiple MTBs on one. How is it that they are stable? I would think that – especially the hanging ones – they would act like a giant breaker bar against the hitch opening. I know that they are designed not to really wobble right and left, but how does that little 1.25 or 2” square slot stop 3-4 feet of steel bar with 30-100lbs of weight on the end from breaking loose?
Definitely not asking because I’d like a hitch rack for my bike and have trust issues. Lol. I can’t fathom how these work, and why they don’t need to be secured from the top at least.
In: Engineering
You are right about the forces working on the elbow of the hitch, however, steel is amazing and so is welding. In best scenario (full penetration, forces pulling on the strong side) a one inch weld will hold 1000 pounds.
Now granted the hitch elbow you’re talking Bout isn’t super thick steel with mil spec construction but it will still easily survive the weight rating on the packaging.
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