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ballistic and trajectory charts #16054892 05/04/21
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oldhunter49 Offline OP
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Anybody have suggestions where to find ballistic and trajectory charts for mainly .177 cal. I am shooting a Diana 350 magnum (approx. 1250fps) with 10.65 barracuda pellets. I am curious for trajectories out to 100 yards. Any assistance appreciated.

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Re: ballistic and trajectory charts [Re: oldhunter49] #16055308 05/04/21
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MontanaMarine Offline
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Looks like your pellet has a BC of around .020.

Here's a pretty good list of tested BC's.

https://hardairmagazine.com/ballistic-coefficients/

You should be able to plug in your pellet weight, velocity, and BC into one of the ballistic calculators and be in business.

Re: ballistic and trajectory charts [Re: oldhunter49] #16057104 05/05/21
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centershot Offline
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You really get 1250fps with 10.65gr pellets?


A true sportsman counts his achievements in proportion to the effort involved and fairness of the sport. - S. Pope
Re: ballistic and trajectory charts [Re: centershot] #16057165 05/05/21
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MontanaMarine Offline
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Originally Posted by centershot
You really get 1250fps with 10.65gr pellets?


That seems a little high to me also.

I was thinking maybe around 950 fps or so for that pellet?

Re: ballistic and trajectory charts [Re: MontanaMarine] #16057478 05/05/21
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Blackheart Offline
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Originally Posted by MontanaMarine
Originally Posted by centershot
You really get 1250fps with 10.65gr pellets?


That seems a little high to me also.

I was thinking maybe around 950 fps or so for that pellet?
950 would be closer to reality. I believe the RWS 350 is rated at 1250 fps with light/alloy pellets. My Walther Parrus is rated at 1300 fps.. It actually does break the sound barrier with 7.3 - 7.5 gr lead pellets but only gets 970 fps with the 10.65 gr. Barracuda match. The heavier pellets have proven much more accurate in my rifle.

IC-A

Re: ballistic and trajectory charts [Re: oldhunter49] #16057629 05/05/21
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oldhunter49 Offline OP
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To verify, When I stated 1250fps, I was just using the manufacture rated specs. I have no chrono, and not trying to splits hairs for 100% accuracy. Just looking for somewhat ballpark trajectories.

Re: ballistic and trajectory charts [Re: oldhunter49] #16057859 05/05/21
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MontanaMarine Offline
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This will probably get you in the ballpark, with a 40-yard zero.

[Linked Image from i.imgur.com]


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