Quaternions

Frank LoPresti · Post by **Frank LoPresti** » Sat Mar 12, 2011 8:05 pm

Merlin wrote:First the caster: if he rotates in a vertical plane shoulder, elbow, wrist or a combination of them, he rotates the rod without translating.

My frame of reference Gordy is the caster, the casters motions. Okay Okay, now that we have that squared away.

Frank LoPresti · Post by **Frank LoPresti** » Sat Mar 12, 2011 8:12 pm

gordonjudd wrote:your distorted view of what rotation and translation actually mean?

Please keep asking dumb questions and making weird observation that invite ridicule. For some twisted reason I will be glad to supply it.

Gordy

Your right Gordy you are twisted. But your the only one left supplying the ridicule. So why don'y you take your twisted sense of self someplace else. So why don't you make like a hockey puck and get the puck out of my face. How does that work for you.

Frank LoPresti · Post by **Frank LoPresti** » Sat Mar 12, 2011 8:17 pm

victor wrote:Frank, why do you separate translation from other aspects like drag and rotation when in fact they operate as a blend? It's like separating the whites from the yolk, cooking them separately and then trying to remix them into an omelette.

Mike

Mike,

Isupposeaftrerawhileeverythingrunstogetheranditmakesitdifficulttofigureoutwhatgoestowhat. The simple answer is to separate everything out as to what goes to what. It makes it easier to comprehend that way.

Thiseliminatestheconfusionofblendingalthepartsofthecastingstrokeintoone.

Kanrf

Take a side by side view of either model. Which is intuitively easier to figure out and less likely to cause confusion ?

victor · Post by **victor** » Sat Mar 12, 2011 8:24 pm

Why is drag outside the casting stroke in your model?

Mike

Frank LoPresti · Post by **Frank LoPresti** » Sat Mar 12, 2011 8:26 pm

Exactly, Good question to ask though....

Frank

Frank LoPresti · Post by **Frank LoPresti** » Sat Mar 12, 2011 8:30 pm

It's not really outside when you think about it. It could be inside as well.

Frank LoPresti · Post by **Frank LoPresti** » Sun Mar 13, 2011 12:44 am

Side by side......

Paul Arden · Post by **Paul Arden** » Sun Mar 13, 2011 1:16 am

Of course translation bends the rod Frank. You can prove this to yourself quite easily. Cheers Paul

Paul Arden · Post by **Paul Arden** » Sun Mar 13, 2011 1:18 am

Frank LoPresti wrote:
gordonjudd wrote:your distorted view of what rotation and translation actually mean?

Please keep asking dumb questions and making weird observation that invite ridicule. For some twisted reason I will be glad to supply it.

Gordy
Your right Gordy you are twisted. But your the only one left supplying the ridicule. So why don'y you take your twisted sense of self someplace else. So why don't you make like a hockey puck and get the puck out of my face. How does that work for you.

This post is out of order Frank and you know it.

Frank LoPresti · Post by **Frank LoPresti** » Sun Mar 13, 2011 1:29 am

gordonjudd wrote:Please keep asking dumb questions and making weird observation that invite ridicule. For some twisted reason I will be glad to supply it.

Gordy

Paul

That's the reply to a way out of order post deserves, gvien these comments. No they are not mine....I've told you about issue this repeatedly. If you want to close this down this forum that's okay with me just remove the entire forum. But I will not put up with this kind of continual harassment. I will not.

Frank

Frank LoPresti · Post by **Frank LoPresti** » Sun Mar 13, 2011 1:35 am

gordonjudd wrote:Frank,

Why would you invite abuse and ridicule by saying something that is so obviously false?

Okay..

Frank LoPresti · Post by **Frank LoPresti** » Sun Mar 13, 2011 2:05 am

Paul Arden wrote:Of course translation bends the rod Frank. You can prove this to yourself quite easily. Cheers Paul

Yes I am aware of that. Yesterday the wind was blowing really hard and I held up a rod vertically and the wind bent the rod a little bit. :p

Cheers,

Frank

Paul Arden · Post by **Paul Arden** » Sun Mar 13, 2011 3:36 am

Well if it bends it a little bit wouldn't it also help alleviate the early domingo effect?

Frank LoPresti · Post by **Frank LoPresti** » Sun Mar 13, 2011 4:33 am

Placido Domingo effect, sure why not................

The Placido Effect

victor · Post by **victor** » Sun Mar 13, 2011 9:36 am

I like the top one Frank, take out the drift (optional) and take out the creep (undesirable) and that's my stroke, apart from a little upward swoop at RSP1 (drift?)

Don't get so antsy Frank, remember, you are the lone star. You're single minded bloody mindedness has forced guys like Gordy and Merlin to describe things in more laymanlike terms, which is a benefit to poor saps like me.

Mike

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