Search found 571 matches
- Thu Jul 05, 2012 5:03 pm
- Forum: Equipment & Technical
- Topic: Checking your own projectile BC
- Replies: 32
- Views: 6506
Hijacked by pointless ELR noise..... Don't know why you would say that? Someone tries to help you and you seem to take offence. Why ask the question if you don't want an open discussion on the technical side of the problem. I started the thread, others starting talking about something unrelated - c...
- Tue Jul 03, 2012 10:42 pm
- Forum: Equipment & Technical
- Topic: Checking your own projectile BC
- Replies: 32
- Views: 6506
- Tue Jul 03, 2012 7:48 pm
- Forum: Equipment & Technical
- Topic: Checking your own projectile BC
- Replies: 32
- Views: 6506
- Tue Jul 03, 2012 7:11 pm
- Forum: Equipment & Technical
- Topic: Checking your own projectile BC
- Replies: 32
- Views: 6506
- Tue Jul 03, 2012 6:06 pm
- Forum: Equipment & Technical
- Topic: Checking your own projectile BC
- Replies: 32
- Views: 6506
- Tue Jul 03, 2012 5:49 pm
- Forum: Equipment & Technical
- Topic: Checking your own projectile BC
- Replies: 32
- Views: 6506
Maybe we can call the BC difference - "the shedding of V differential". The difference of TV is really the only thing that matters in this discussion. If two very different projectile designs get to the target at the same time, in the same conditions, at the same MV: then they will have the same BC....
- Tue Jul 03, 2012 5:44 pm
- Forum: Equipment & Technical
- Topic: Checking your own projectile BC
- Replies: 32
- Views: 6506
Norm, I understand how this works, I have been trying to include everyone in the thread so they can understand it. There is no need to know the V at the target, this can be worked out by use of the known example BC. The TOF will give the TV - they are linked together. I will put money on the fact th...
- Tue Jul 03, 2012 5:00 pm
- Forum: Equipment & Technical
- Topic: Checking your own projectile BC
- Replies: 32
- Views: 6506
Alan, I did think of this also - actual drop figures. The major problem is atmospheric conditions. Using time as a constant take that out of the equation, although the two things will theoretically give the same outcome. By testing alongside a very well know set of BC data (the Berger 180 VLD), the ...
- Tue Jul 03, 2012 4:39 pm
- Forum: Equipment & Technical
- Topic: Checking your own projectile BC
- Replies: 32
- Views: 6506
Using the data from the known projectile, and then reverse engineering the MV or V loss, a cross comparison should be pretty straight forward. Using this method, I computed my 260 wildcat elevtion within 0.5MOA at 1000y. In other words, the terminal velocity (TV) is also constant, and does not need ...
- Tue Jul 03, 2012 3:48 pm
- Forum: Equipment & Technical
- Topic: Checking your own projectile BC
- Replies: 32
- Views: 6506
Checking your own projectile BC
For some time, I have been thinking about how to record my own BC data for projectiles, now that I have access to some custom projectiles. The BC is only estimated, so a much better idea of how these things travel needs to be known. From what I have gathered, two things need to be known accurately: ...
- Fri Jun 29, 2012 12:19 pm
- Forum: General Forum
- Topic: Thanks Google!
- Replies: 5
- Views: 2217
- Tue Jun 26, 2012 1:53 pm
- Forum: Equipment & Technical
- Topic: Range Cart
- Replies: 14
- Views: 4321
- Tue Jun 26, 2012 1:52 pm
- Forum: Photos of Rifles etc.
- Topic: Pics of this weeks shoot. .308 and 6XC plus a few toys.
- Replies: 39
- Views: 9950
- Tue Jun 26, 2012 10:48 am
- Forum: Photos of Rifles etc.
- Topic: Pics of this weeks shoot. .308 and 6XC plus a few toys.
- Replies: 39
- Views: 9950
- Fri Mar 23, 2012 1:01 pm
- Forum: Equipment & Technical
- Topic: Muzzle Velocity
- Replies: 23
- Views: 5782