Go Fast, Turn Left

[FJRmogul]

+1 here as well. I've been trying to match my chicken strips for a long time now, and the right side always has more.

I was in Australia earlier this year and I had an easier time going left there as well. Could it have anything to do with our steering wheels in our cars being on the left? :blink:

 

[yanktar]

Nah.

It's you're all NASCAR dads...you know, the race where they only turn left...

but vote the other direction! :lol:

 

[odot]

I like how this thread mentions toilets.....that's my kind of discussion.

 

[OrangevaleFJR]

I guess I'm rare in that I am ambiturnstrous.

 

[Fallen Jim Rides again]

I guess I'm rare in that I am ambiturnstrous.

I guess I am too. I've never had a preference for one direction or the other or noticed a difference in difficulty or ease in one direction or the other.

NO, I don't just drive in a straight line either. :bleh:

Odot, you really should get your mind out of the toilet.

 

[Scab]

TWN, torque steer is the real deal. THAT'S why they have counter-rotating twin props. But, if that don't do it for you, maybe this will: It's because your bilfold has your ass on crooked in the saddle!

 

[twowheelnut]

TWN, torque steer is the real deal.  THAT'S why they have counter-rotating twin props.  But, if that don't do it for you, maybe this will:  It's because your bilfold has your ass on crooked in the saddle!

Sorry, CRS's don't cancel out all the torque steer. My 27' Chaparral with the 454 Merc had CRS's. The twist of the motor would rock the boat initiating a port side turn that needed to be overcome with steering input.

Billfold is in the tank bag: :****:

I'm still waiting... No one answered my question yet...

 

[Scab]

Even with counter-rotating props, the engines are rotating the same direction (source of the torque). The torque created by the engine causes the engine to try and rotate on the mounting points. Pull the props out of the water, give it some throttle, the engines will rotate unless countered with steering input.

Torque Steer.

 

[Scab]

As far as motorcycles go, you say they have all sorts of different directional rotations. I don't think so, since most have historically been chain drive and the drive sprocket must rotate one direction in order for the bike to go forward. I onset of shaft drive only adds gears, not a counter-rotating engine.

 

[Scab]

Suppose if you will: If you were to stand on on a free-rotating plate (gimme some le-way here and use your imagination), arms extended straight out in front of you, an axle in your hands, with a wheel mounted between (spinning). While holding the spinning wheel straight, you will stand straight. Lean the wheel either to the right or left and your whole body will rotate in that direction. So, you have two of these on the motorcycle, which is why the are very directionally stable. But, IF there is a preference for the motorcycle to turn one way easier than the other, it is the result of whatever else is spinning in the motorcycle. i.e. engine.

 

[twowheelnut]

Nope, you ain't there... Keep trying though. Why is it easier to turn left than right? Your chain theory doesn't wash... How would you explain shafties mounted on the right, shafties mounted on the left, boxer v. V twins, in line 4 v. flat sixes, V-4s v. single pumps? These all have parts and pieces that go 'round in different directions...

Tap, tap, tap goes the foot...

Oh and here's your dance physics:

https://web.hep.uiuc.edu/home/g-gollin/danc..._physics.html#7

 

[Scab]

The engine rotates the same direction. Don't matter which side the shaft is on.

 

[Scab]

Prove me wrong.

Tap, tap, tap, goes my foot.

 

[Scab]

TWN, torque is why boats turn, prop planes turn, why there is a tail prop on a helicopter, etc. etc. Go back a few posts, I said IF a motorcycle has a preference, it will be torque from the engine. I am sure this is not equal on all motorcycles due to engine configuration - boxer, twin, single, inline, whatever. I assume (I know, the ASS thing) that we was at this point at least refering to a inline 4.

Personally, don't matter to me-my chicken strips are equal-HUGE!

 

[Scab]

Also, for all of us old-schoolers, the comfort turning left may be as simple as body training. When you were still green behind the ears and rode bikes with pedals and foot brakes, which foot did the braking and which foot went to the ground for those oh-so-fun skids? And which way did you turn?

 

[Scab]

You're killin' me TWN. You are starting to remind me of my ex-wife. Can I just buy you a house now?

 

[OrangevaleFJR]

If I argue with you will you buy me a house too?

So on the FJR, Engine Torque being vertical and from front to back shouldn't have impact on steering left vs steering right.

transmission spinning could have an impact since it is off center.

Shaft torque would have the biggest influence on left/right lean, but it is arguable that it really shouldn't have much of an impact on how the bike feels at speed...not to mention Yamaha's shaft counterbalancing seems pretty darn good.

So...all that said, I don't think torque has anything to do with it and it is largely due to the direction people are used to turning. We U turn left. We do it more often than U turning right. Therefore it is more comfortable for most people.

 

[twowheelnut]

Brakes? On a bicycle? You had brakes? Wow! I had to Fred Flintsone my stops...

No really, right foot brake and the rear would slide out in which ever direction I had the steering opposite of. That was until I got a 10 speed with rim brakes, then I could slide the front and rear! Woot! But even on a bike, turning left is easier.

Anyway, I cited proof via linkage. You've yet to do so. I'm supposed to believe a guy named 'scab'. C'mon...

And show me where all MC engines turn in the same direction. How does a flat 6 (side to side) turn the same way as a verticle twin (up and down)? And the boxer's crank shaft is 90 degrees from an inline four's (a la FJR). Your torque theory is sinking fast, bro. :****:

And yes, make it a 3 bebdroom, 2 bath condo in La Jolla. Thanks much! :good:

 

[Penforhire]

IMO it is because of better visibility through the turn, all other road conditions being equal. According to my theory it should be the opposite where they drive on the 'wrong' side of the road.

 

[Scab]

Where the pistons are located has nothing to do with the the rotating mass of the engine. Pistons go up and down. As I said, TORQUE. IF there is a mechanical preference for direction, IT IS TORQUE. Who said boxers turned left easier, anyway?

To prove torque and direction-watch any engine mounted in rubber while being revved. Notice the lean to ONE side? DIRECTIONAL TORQUE.

Were closing on your house monday...