H&N Piledriver REVIEW by Donnie Reed



Author Topic: H&N Piledriver REVIEW by Donnie Reed  (Read 1006 times - 1 votes) 
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Offline ColdTexan

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H&N Piledriver REVIEW by Donnie Reed
« on: February 14, 2018, 07:55:19 PM »
  • USA, South Dakota, Brookings
Gamo Stutzen (.177)
RWS 48 (.22)
Gamo ACCU (.22)
Gamo ACCU (.177)
Hatsan Torpedo 105X (.22)
Hatsan Dominator (.22)
Hatsan Dominator (.177)
Browning Leverage (.22)
Gamo Whisper Fusion Elite (.22)

Offline Taso1000

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Re: H&N Piledriver REVIEW by Donnie Reed
« Reply #1 on: February 14, 2018, 09:11:48 PM »
That's another great review by Donnie.  I hope H&N fixes the issue because I haven't hear of anyone getting great accuracy out of the pellets except for one .177 rifle Ribbonstone owns.

Taso
  • Orland Park, Illinois
Air Arms Pro-Sport .177, T200
BAM B50 .22, 5 X B51 .177
Benjamin 392PA, H9A .177, Marauder .25
BSA R-10 .177, Scorpion 1200 SE .177, Buccaneer .25
Crosman 1720T, 2100, 2240 W/ 2300S valve and barrel
Daisy CMP 853
Diana 340 N-TEC .177
FWB 124, 300S Mini, 601
2 X FD PCP .177
RWS 48 .177
Weihrauch HW100 T FSB Laminate, HW97 nickel synthetic
Xisico B26 .177, 2 X Sentry 702-3, .177 and .25, XS12 .177, XP-120D, XS-25 .177, XS-28 .22, .25, .177 barrels

Offline MadDogDonnieReed

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Re: H&N Piledriver REVIEW by Donnie Reed
« Reply #2 on: February 15, 2018, 03:14:34 AM »
That's another great review by Donnie.  I hope H&N fixes the issue because I haven't hear of anyone getting great accuracy out of the pellets except for one .177 rifle Ribbonstone owns.

Taso

Thanks Taso!  It's my pleasure!

Indeed, I hope they fix the issue as well. 
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Offline regularguy11B

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Re: H&N Piledriver REVIEW by Donnie Reed
« Reply #3 on: February 15, 2018, 04:26:19 AM »
Probably gotta get em moving pretty fast
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Offline Taso1000

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Re: H&N Piledriver REVIEW by Donnie Reed
« Reply #4 on: February 15, 2018, 11:28:06 AM »
The .177 version needs about a 1 in 10 teist barrel at around 900 fps.  There is a calculator that works with subsonic velocities:

http://www.geoffrey-kolbe.com/barrel_twist.htm

Just enter the measured values and it will output a twist rate versus velocity graph.

Taso
  • Orland Park, Illinois
Air Arms Pro-Sport .177, T200
BAM B50 .22, 5 X B51 .177
Benjamin 392PA, H9A .177, Marauder .25
BSA R-10 .177, Scorpion 1200 SE .177, Buccaneer .25
Crosman 1720T, 2100, 2240 W/ 2300S valve and barrel
Daisy CMP 853
Diana 340 N-TEC .177
FWB 124, 300S Mini, 601
2 X FD PCP .177
RWS 48 .177
Weihrauch HW100 T FSB Laminate, HW97 nickel synthetic
Xisico B26 .177, 2 X Sentry 702-3, .177 and .25, XS12 .177, XP-120D, XS-25 .177, XS-28 .22, .25, .177 barrels

Offline regularguy11B

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Re: H&N Piledriver REVIEW by Donnie Reed
« Reply #5 on: February 15, 2018, 12:44:05 PM »
I wonder if the rough looking ones might still shoot well in a airgun with the oomph to push them and a fast twist to stabilize them adequately. 

Not exactly the same beast, but the Eun Jin .22 domes shoot surprizingly well for what they look like.  Even out of just a Benji 392.
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Offline Taso1000

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Re: H&N Piledriver REVIEW by Donnie Reed
« Reply #6 on: February 15, 2018, 12:56:43 PM »
I am not sure how perfectly balanced pellets need to be to perform well.  That lump of lead may be throwing off the rotational balance but the rifling and choke may be swaging the pellet back into good enough shape?

I think a faster twist should work better.  One curious note was Donnie's accuracy results of the two groups of pellets without the defect.  Yes they were one hole at 10 meters but I'm hoping the groups don't go crazy at further distances.

It would be great if we could finally have accurate and high bc pellets, for retained energy and flatter trajectories, at 100 yards.  With the advent of powerful pcp's, that can push more lead, this is a market segment that needs development.

Taso
  • Orland Park, Illinois
Air Arms Pro-Sport .177, T200
BAM B50 .22, 5 X B51 .177
Benjamin 392PA, H9A .177, Marauder .25
BSA R-10 .177, Scorpion 1200 SE .177, Buccaneer .25
Crosman 1720T, 2100, 2240 W/ 2300S valve and barrel
Daisy CMP 853
Diana 340 N-TEC .177
FWB 124, 300S Mini, 601
2 X FD PCP .177
RWS 48 .177
Weihrauch HW100 T FSB Laminate, HW97 nickel synthetic
Xisico B26 .177, 2 X Sentry 702-3, .177 and .25, XS12 .177, XP-120D, XS-25 .177, XS-28 .22, .25, .177 barrels

How do you word it... "Air Guns" or "AirGuns"?