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Author Topic: A straight line  (Read 141883 times)

Offline Jack Trojan

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Re: A straight line
« Reply #512 on: April 06, 2018, 10:26:44 PM »
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How does it give JFK's orientation when he was struck by the single bullet?

Re-read my post and start thinking photogammetrically. ;)

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You're not making any sense at all.

Using an ortho-map overhead of Elm, draw a line from the SN to the limo at frame z224. What's that angle? Now take the supposed angle of the MB thru JFK and reconcile the 2.

Good luck with that!

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Re: A straight line
« Reply #512 on: April 06, 2018, 10:26:44 PM »


Offline Bill Chapman

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Re: A straight line
« Reply #513 on: April 07, 2018, 12:21:27 AM »
The bullet does not automatically start to rotate when it exits a human body. A bullet tumbles in response to interacting with a solid object such as bone that deflects its trajectory. It does not deflect appreciably when it transitions from one medium to another such as flesh to air or water to air, etc. It certainly doesn't rotate appreciably within a couple of feet of exiting the body.

Otherwise, a bullet follows a parabolic path like anything else under gravity. The mussel velocity defines the parabolic arc of a projectile, which is insignificant over a hundred feet and has nothing to do with a tumbling bullet.

Where did I address bullet tumble in my post? I'm questioning your use of a laser beam which of course is not affected by wind, air temperature, air density or gravity as is a bullet in flight. At that distance it might only be a barely noticeable drop (as I understand it, nevertheless one is talking fractions here. My research is talking 200-300 yards downrange and beyond.

I might be getting the wrong idea about what you say you are proving.

Re tumble, I understand Carcano rifling grabs that ammo near the front rather than the back, thereby providing a very stable bullet in flight.
« Last Edit: April 07, 2018, 12:33:12 AM by Bill Chapman »

Offline Tim Nickerson

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Re: A straight line
« Reply #514 on: April 07, 2018, 12:44:06 AM »
Re-read my post and start thinking photogammetrically. ;)

Nope. You're going to have to show it or explain it.

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Using an ortho-map overhead of Elm, draw a line from the SN to the limo at frame z224. What's that angle? Now take the supposed angle of the MB thru JFK and reconcile the 2.



I used the Robert West Survey of 1964. Measuring from the SN to the limo, I get a lateral angle of 9 degrees. I don't know what you mean by "reconcile the 2". What exactly is there to reconcile?

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Re: A straight line
« Reply #514 on: April 07, 2018, 12:44:06 AM »


Offline Jack Trojan

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Re: A straight line
« Reply #515 on: April 08, 2018, 01:18:03 AM »
Where did I address bullet tumble in my post? I'm questioning your use of a laser beam which of course is not affected by wind, air temperature, air density or gravity as is a bullet in flight. At that distance it might only be a barely noticeable drop (as I understand it, nevertheless one is talking fractions here. My research is talking 200-300 yards downrange and beyond.

I might be getting the wrong idea about what you say you are proving.

Re tumble, I understand Carcano rifling grabs that ammo near the front rather than the back, thereby providing a very stable bullet in flight.

The laser is only simulating the bullet's trajectory as it passes thru JFK and Connally. Once a bullet hits an object all bets are off. But you LNers want to think that the bullet managed to take a straight line trajectory thru JFK's body and somehow avoided his spine and ribs. You contend this because the bullet came out of a small hole in his throat which meant it wasn't tumbling. Then you contend it smashed thru Connally and ended up clean and unscathed on the wrong stretcher and you want us to believe it wasn't planted.

Offline Jack Trojan

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Re: A straight line
« Reply #516 on: April 08, 2018, 01:32:16 AM »
Nope. You're going to have to show it or explain it.



I used the Robert West Survey of 1964. Measuring from the SN to the limo, I get a lateral angle of 9 degrees. I don't know what you mean by "reconcile the 2". What exactly is there to reconcile?

How do you know that survey map is to scale? Let's give it the benefit of the doubt. You need to determine where the limo was relative to the Z-film to sync with the shots. All that is a bit iffy, but I will give you the BOTD again and say your angles might be ok.

If so, then put the limo with occupants into the scene and line everything up with a shot 2 inches to the right of the spine at T1 and out the throat at C7, then into the right side of Connally, into his wrist, then his thigh then ending up on the wrong stretcher.

Use my laser experiment for a re-enactment for JFK and Connally and make me eat crow, I dare you!

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Re: A straight line
« Reply #516 on: April 08, 2018, 01:32:16 AM »


Offline Tim Nickerson

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Re: A straight line
« Reply #517 on: April 08, 2018, 02:18:54 AM »

If so, then put the limo with occupants into the scene and line everything up with a shot 2 inches to the right of the spine at T1 and out the throat at C7,

Why should I do that? I already told you that the bullet entered above the level of T1.

 
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then into the right side of Connally,


I already did.

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into his wrist, then his thigh

You're making ridiculous requests. The bullet took a curved path through Connally. Who could possibly say exactly what that path was? Certainly not me,

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then ending up on the wrong stretcher.

What for? Why would I put it on the wrong stretcher?


Offline Jack Trojan

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Re: A straight line
« Reply #518 on: April 08, 2018, 04:02:01 AM »
Why should I do that? I already told you that the bullet entered above the level of T1.

I already did.

You're making ridiculous requests. The bullet took a curved path through Connally. Who could possibly say exactly what that path was? Certainly not me,

What for? Why would I put it on the wrong stretcher?

Just throwing out pearls. :D

Offline Tim Nickerson

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Re: A straight line
« Reply #519 on: April 08, 2018, 05:13:53 AM »
Just throwing out pearls. :D

Yeah, I am. Is that a crime?

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Re: A straight line
« Reply #519 on: April 08, 2018, 05:13:53 AM »