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    • #33569
      kens
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    • #33610
      Larry Gibson
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      Assuming it’s not a misprint the 35 Rem is a much smaller case than the 35 Whelen. Thus the 37 gr Rl7 burns much more efficiently as the 37 gr is very near case capacity at a probable higher psi with a faster time/pressure curve. The larger capacity 35 Whelen case, even with 5 more gr of Rl7 is not at case capacity. the rise to peak psi (time/pressure curve) will be slower and the peak psi will probably be lower. Even with the extra 2″ of barrel length the Whelen’s 1/2″ longer cartridge negates that down to an effective barrel length difference of only 1 1/2″. Given those variables let alone the variable of the barrels themselves the difference of 164 fps, while seemingly and anomaly, really isn’t that much of a variation.

      Larry Gibson

    • #33618
      seaboltm
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      Yep, what Larry said.

    • #33619
      kens
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      So, that is a soft load in 35whelen?
      It just seems that if 35rem sends that 158gr bullet at 2300fps, then the Whelen should send the same bullet at 2800 or similar.?

    • #33622
      GhostHawk
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      With the right powder it probably would. I am not sure that is the right powder for a .35 Whelen.

    • #33624
      Larry Gibson
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      kens;n14394 wrote: So, that is a soft load in 35whelen?
      It just seems that if 35rem sends that 158gr bullet at 2300fps, then the Whelen should send the same bullet at 2800 or similar.?

      Probable reason, now that I think about it, for the lessor velocity in the Whelen is the difference in twist of the test barrels which they don’t mention. It’s possible the 35 Remington test barrel has a 14 or 16″ twist and the Whelen test barrel a 10 or 12″ twist. If so then the Speer pistol bullets are being driven as fast as they can be and still hold together. Pistol bullets just don’t do well in faster twists at HV.

      As I said earlier, lots of variables there that could easily account for the appearance of a discrepancy.

      Larry Gibson

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