Why do people say left hand down instead of left? We all know which way to turn the wheel to make the car go left, and it's the same in reverse. And if I'm reversing looking over my shoulder, one hand isn't on the wheel so the phrase makes no sense!
Because it avoids any uncertainty between driver's left and guider's left, if they're facing different ways, or one is looking at the other in a mirror.
What, it's the opposite if you want the car to go left when going in reverse? ;-)
It does when you understand it's function.
It's an instruction from someone who has a good idea which way the wheels need to be when (often / typically) manoeuvring the car in close quarters (like going up onto a vehicle lift) where there isn't much room for error.
So, an experienced mechanic guiding someone not familiar with driving vehicles up onto a ramp might say 'left hand down a bit' under the assumption the driver is holding the wheel at 10 to 2 or similar. They may well also guide an experienced driver the same way because they would except / understand the terms without question.
My new car has one of those. It comes in very handy to make sure I don't run over the damn cat. For an animal supposed to be cleanly he loves to roll in the driveway dirt.
My father was a concert pianist. He was being given a lift by another pianist. Dad knew the way and was giving verbal instructions. Every time he said left or right he noticed a definite hesitation on the part of the driver. Then he had an idea and, instead of "turn left" he said "turn bass" and instead of "right", "treble". He said it worked a treat!
I thought it came from that radio series 'The Navy Lark' with Kenneth Williams, Bill Pertwee and others. In it, HMS Troutbridge is crewed by a bunch of incompetents, and instead of giving orders to the helmsman such as 'steer 240 degrees', it was always 'left hand down a bit'.
I thought it was invented by the BBC for the Navy Lark. However it actually makes moor since on a bike or in an aircraft where you lean into a turn. Brian
Not if you're attempting a reverse turn with a trailer or caravan. I have a story about that but I won't bore you with the details other than to say that some of the onlookers were stunned into quiet applause. HGV drivers? Pah! Kid's stuff!
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