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# Henson Aluminum Tipped Bullet Testing

#155
04-14-2009, 05:43 PM
 Silver Member Join Date: Mar 2009 Posts: 214
Re: Henson Aluminum Tipped Bullet Testing

James,

I agree that the sampling which I asked for was statistically thin.

I would have asked for more, but the dialogue has not given me much of an expectation that more was avaliable. I actually have no problem giving the benefit of a doubt... unless a pattern emerges which weighs in against the presumption.

In any case, you really have supplied the answer to my question.

Best,
Noel
#156
04-14-2009, 05:56 PM
 Silver Member Join Date: Mar 2009 Posts: 214
Re: Henson Aluminum Tipped Bullet Testing

Fiftydriver,

A projectile's center of gravity always follows the actual line of trajectory.

Bryan is suggesting exactly what you are hypothesizing... that an excessive aft CG is causing lift through nose inclination forward of the CG.

Best,
Noel
#157
04-14-2009, 06:00 PM
 Platinum Member Join Date: Jan 2003 Location: The rifle range, or archery range or behind the computer in Alaska Posts: 3,740
Re: Henson Aluminum Tipped Bullet Testing

Quote:
 Originally Posted by noel carlson Fiftydriver, A projectile's center of gravity always follows the actual line of trajectory. Bryan is suggesting exactly what you are hypothesizing... that an excessive aft CG is causing lift through nose inclination forward of the CG. Best, Noel
According to Sierra, or at least the way I believe them to claim, a bullet's center of gravity does not always follow the exact line of the trajectory. For normal circumstances AND best results the bullet's center follows the actual trajectory.
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Long range shooting is a process that ends with a result. Once you start to focus on the result (how bad your last shot was, how big the group is going to be, what your buck will score, what your match score is, what place you are in...) then you loose the capacity to focus on the process.

Last edited by Michael Eichele; 04-14-2009 at 06:07 PM.
#158
04-14-2009, 06:03 PM
 Platinum Member Join Date: Jan 2003 Location: The rifle range, or archery range or behind the computer in Alaska Posts: 3,740
Re: Henson Aluminum Tipped Bullet Testing

Quote:
 Originally Posted by Fiftydriver Has anyone considered that perhaps the use of the aluminum tip to shift the center of gravity to the rear of the bullet more then a conventional match HP may have something to do with the increase in BC? IT really does not shift the center of gravity all that much but it does greatly increase bullet length without adding much weight at all.
I have wondered this same thing.

I also have wondered what the true specific gravity is adding the aluminum to the mix. Aluminum will bring this down a bit.

James,

That would be sure fire way to settle this argument. Argument is the wrong word here but you get it.

Also I have theorized in the past that if you increased the weight in the front, it MAY help get through the transonic wall a bit better instead of tumbling out of control.

Just some food for thought. I know tungsten is expensive AND hard to work with so it may not be worth it.
__________________
__________________
Long range shooting is a process that ends with a result. Once you start to focus on the result (how bad your last shot was, how big the group is going to be, what your buck will score, what your match score is, what place you are in...) then you loose the capacity to focus on the process.

Last edited by Michael Eichele; 04-14-2009 at 06:08 PM.
#159
04-14-2009, 06:05 PM
 Lightvarmint Posts: n/a
Re: Henson Aluminum Tipped Bullet Testing

Quote:
AJ,

On the Gen Is, we got some mid range numbers and they matched up with the drops for those bullets.

However, Dr Ken advised us to shoot the drops and work backwards.

We did nick the chronograph several times when taking initial measurement and that gives the instrument a headache...

I suspect that bryan will use some acoustic targets and get some down range data if all his instruments are properly calibrated and certified.

James
#160
04-14-2009, 06:06 PM
 Silver Member Join Date: Mar 2009 Posts: 214
Re: Henson Aluminum Tipped Bullet Testing

ME,

Now that is interesting. Do you have a reference?

-Noel
#161
04-14-2009, 06:10 PM
 Platinum Member Join Date: Jan 2003 Location: The rifle range, or archery range or behind the computer in Alaska Posts: 3,740
Re: Henson Aluminum Tipped Bullet Testing

Quote:
 Originally Posted by noel carlson ME, Now that is interesting. Do you have a reference? -Noel

Sierra's 4th addition manual in the exterior ballitics section.
__________________
__________________
Long range shooting is a process that ends with a result. Once you start to focus on the result (how bad your last shot was, how big the group is going to be, what your buck will score, what your match score is, what place you are in...) then you loose the capacity to focus on the process.

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