What is the sound of one piston slapping?
What is the sound of one piston slapping?

Some of you may recall Hammerheadfistpunch explaining in glorious detail the physics of trailer stability a few months back.

Well it turns out that the critical stability speed of a single axle 8x5 trailer with about negative 250lbs tongue weight, when towed behind an unladen 2004 Mitsubishi Pajero..... is about 55mph.

Illustration for article titled So, about that tongue weight thing...

I knew that the C of G position was pretty darn iffy and was keeping the speed down, but let it creep a little high on the freeway. Fortunately a long load like this doesn’t wag the tail overly fast, and I was able to slow it back down and get it straight before it got too exciting. But I can certainly see how getting in that situation with a big-ass boat or a load of gravel could get real interesting real quick.

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