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Joined: Mar 2006
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Campfire Outfitter
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OP
Campfire Outfitter
Joined: Mar 2006
Posts: 9,809 |
If anyone could run a few numbers for me please.... 7 LRM, 26" 1/8" twist Brux 175 LRAB
H1000
US 869
RL 33
Thanks in advance
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Joined: Mar 2006
Posts: 9,809
Campfire Outfitter
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OP
Campfire Outfitter
Joined: Mar 2006
Posts: 9,809 |
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Joined: Jun 2009
Posts: 1,697
Campfire Regular
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Campfire Regular
Joined: Jun 2009
Posts: 1,697 |
To get the most accurate data possible, please provide the following information
Cartridge: Bullet: Measured bullet length: Measured bullet boat-tail diameter: Powder: Charge Weight (optional): Case: Length: Measured H20 Capacity*: COAL: Bullet touching/jammed into lands at COAL?: Barrel: Length: Twist Rate:
*measured to case mouth, no meniscus.
“There are three things all wise men fear: the sea in storm, a night with no moon, and the anger of a gentle man.” ― Patrick Rothfuss, The Wise Man's Fear
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Joined: Mar 2006
Posts: 9,809
Campfire Outfitter
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OP
Campfire Outfitter
Joined: Mar 2006
Posts: 9,809 |
To get the most accurate data possible, please provide the following information
Cartridge: 7 lrm Bullet: 175 lranlb Measured bullet length: Measured bullet boat-tail diameter: Powder:h1000 us 869 Charge Weight (optional): Case:gunwerks Length: Measured H20 Capacity*: COAL:3.330 Bullet touching/jammed into lands at COAL?: .0010 off Barrel: brux Length:26 Twist Rate:1/8
*measured to case mouth, no meniscus.
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Joined: Jun 2009
Posts: 1,697
Campfire Regular
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Campfire Regular
Joined: Jun 2009
Posts: 1,697 |
The reason I asked for the additional data is QuickLOAD is as only as good as it's inputs. You provided COAL data, but still left out probably the two most important pieces of information in order for QuickLOAD to give a reasonable estimate. The 175g Long Range Accubond is too new to be in QuickLOADs database. Without an actual measured bullet length (and preferably with a measured diameter of the boat tail) I can't give you anything. Even if QL did have it in it's database, it's not always reliable. An actual measured bullet length is quite important.
QuickLOAD doesn't show a cartridge identified as 7 LRM. I'm not personally familiar with it. What is it's pressure tested M.A.P. (Maximum average pressure)? Or do you simply want data showing up to the 65K PSI range?
Case length and especially the case capacity are required. Especially since the cartridge isn't found in QL. This is probably the most critical value for good data. Even when the cartridge is a common one, you always want to measure your own once fired brass to help QL predict as accurately as possible. And without even a default value, I can't even use QL to give you a "rough idea".
“There are three things all wise men fear: the sea in storm, a night with no moon, and the anger of a gentle man.” ― Patrick Rothfuss, The Wise Man's Fear
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