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Offline Meadhall

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6.5x55 swede in a Handi?
« on: June 23, 2008, 05:13:24 AM »
I looked several times but have not seen anything about it, but was the Handi Rifle ever offered in 6.5x55 and if not is there any way to have a barrel rebored to it?  It is a round I've had my eye on and thought the Handi would be a good way to try it out. 
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Offline quickdtoo

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Re: 6.5x55 swede in a Handi?
« Reply #1 on: June 23, 2008, 06:01:13 AM »
A Hornet or 223 barrel could be rechambered and rebored to  6.5x55, my choice was to have a custom barrel made, still waiting tho, was headed for a 260 Remington, but switched horses after more research.

Tim

http://www.gboreloaded.com/forums/index.php/topic,117152.msg1098380030.html#msg1098380030
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Offline FW Conch

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Re: 6.5x55 swede in a Handi?
« Reply #2 on: June 23, 2008, 09:41:30 AM »
   Tim what did you find in your research that caused you to "switch horses"   ???  Jim
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Offline quickdtoo

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Re: 6.5x55 swede in a Handi?
« Reply #3 on: June 23, 2008, 10:42:19 AM »
A lot better performance from the 6.5x55 with heavier bullets, it can easily be handloaded to exceed the 260, compare Conley's 260 loads to their 6.5x55 loads. ;)

Tim

http://www.cpcartridge.com/260remP.htm

http://www.cpcartridge.com/6.5X55SM-P.htm
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Offline FW Conch

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Re: 6.5x55 swede in a Handi?
« Reply #4 on: June 23, 2008, 11:50:57 AM »
   I see what you mean Tim .  As always you are an excellent source of great information.  Since Meadhall broached the 6.5 subject, what are your feelings on the "super sexy"  6.5 x 284 ?  As you said a Handi barrel would have to be built for any 6.5 & I suspect a 6.5 x 284 could be "light loaded" just a bit to keep from burning the barrel out ?  :-\  Jim
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Offline quickdtoo

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Re: 6.5x55 swede in a Handi?
« Reply #5 on: June 23, 2008, 12:06:46 PM »
I wasn't concerned with burning the barrel out, the .500" case head and subsequent breech thrust was my concern, been there, done that with the .300WSM barrel, don't care to go there again, that investment was minimal, I want this one to work.  ;)

Tim
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Offline FW Conch

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Re: 6.5x55 swede in a Handi?
« Reply #6 on: June 23, 2008, 12:37:54 PM »
   Understood !  I think the barrel burning in the 6.5 x 284 comes from the Bench Rest folks but they have issues all their own.  The origion  of my surname is Swedish , I like the idea of a cartridge that has a good following after 117 years, & with what you have pointed out  I'm sure I see a 6.5 x 55 in my future !   8)  Jim
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Offline DalesCarpentry

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Re: 6.5x55 swede in a Handi?
« Reply #7 on: June 23, 2008, 01:17:28 PM »
I was just wondering if this project could have been done with 2 different barrels. Like a 223 barrel for the new chamber to be cut and a barrel from another ( that is 6.5 diameter ) manufacturer that could be stubbed to it? Thanks Dale
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Offline quickdtoo

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Re: 6.5x55 swede in a Handi?
« Reply #8 on: June 23, 2008, 01:21:12 PM »
As I stated in the original thread in the link I posted, Wayne doesn't do stubs, it's too labor intensive.

Tim
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Offline DalesCarpentry

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Re: 6.5x55 swede in a Handi?
« Reply #9 on: June 23, 2008, 02:10:29 PM »
I was not refering to the other thread. ;) I guess it could have been taken either way. I am sure there are people out there that do stub barrels. So I would think it would be cheaper to buy 2 different barrels and do a stub job along with a rechamber job. Dale
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Offline Meadhall

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Re: 6.5x55 swede in a Handi?
« Reply #10 on: June 26, 2008, 05:36:27 PM »
Any recommendations on who could do the rechambering work?
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Offline quickdtoo

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Re: 6.5x55 swede in a Handi?
« Reply #11 on: June 27, 2008, 05:26:15 AM »
Wayne York does rechambers/rebores, costs are listed on his price list, he's done several for me and a bunch more for other members here.

Tim

http://home.earthlink.net/~oregunsmithing/
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Offline FW Conch

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Re: 6.5x55 swede in a Handi?
« Reply #12 on: June 27, 2008, 09:21:43 AM »
   MHO  ???  I'm confused as to why CPC limits their 140gr 260 Rem loads to 2500 & 2550 fps ?  Rem lists their factory 140grs @ 2750 fps, Hodgdon 140 gr reloads max @ 2755 fps, &  Nosler 140 gr reloads max @ 2822 fps ?  :o
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Offline quickdtoo

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Re: 6.5x55 swede in a Handi?
« Reply #13 on: June 27, 2008, 10:34:18 AM »
Dunno for sure, but the 6.5x55 has more case capacity by 3gr water, so the potential for more velocity is there given the same action strength in both, and at lower pressure which makes it more Handi friendly.  ;)

Tim
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Offline FW Conch

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Re: 6.5x55 swede in a Handi?
« Reply #14 on: June 30, 2008, 01:09:40 PM »
   What might the "optimum" barrel length be for the 6.5 swede ?  Personally, I would like a some what heavy barrel just long enough to insure 2500 fps with 140 gr pills.
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Offline quickdtoo

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Re: 6.5x55 swede in a Handi?
« Reply #15 on: June 30, 2008, 01:52:41 PM »
That would be dependent on the powder and bullet, my choice will be the 139gr Lapua Silver Scenar which is similar to the 140gr Hornady A-Max listed in QL, but is coated. A max load of Hodgdon 780 with a longer than normal COL at 3.225" since I'll be loading in a single shot, and moving the pressure allowance from the accepted 55kpsi to a more modern 65kpsi(same as 270 Winchester), 3000fps is theoretically possible in a 28" barrel as shown in the QuickLoad 3.4 prediction. The load has a density of 103.5% and is 99.8% consumed in the 28" barrel. A shorter barrel would dictate a different powder to work best.  ;)

Tim

-------------------------------------------------------------------------------
 WARNING: Table produced by not verified Ballistics Calculations! Check results
always against loading data of current reloading manuals! Input data and results
may be invalid or wrong! The use of this data for loading ammunition can cause,
directly or indirectly, serious injury to personnel and material. No responsibi-
  lity is implied and THE USER MUST ASSUME THE ENTIRE RISK OF USING THE DATA.
               QuickLOAD© V.3.4 Interior BallisticsV.3.4 #531132
            © Copyright 1987-2008 - H.Broemel, Babenhausen, Germany
-------------------------------------------------------------------------------
 Case capacity and propellant properties may vary considerably from lot to lot!

**** Input data:                         Date: 30-Jun-2008     Time: 16:33:07
Cartridge................. = 6.5 x 55 Swedish
Projectile type........... = .264, 140, HDY A-MAX 26322 with boattail

Max.avg.pressure(Piezo CIP)= 65000 psi   Shot start / init pressure = 3626 psi
Projectile weight      (gr)= 140         Groove caliber         (in)= 0.265
Length of cartridge    (in)= 3.225       Length of case         (in)= 2.165
Case capacity(Grains Water)= 57.00       Length of projectile   (in)= 1.506
Length of barrel       (in)= 28.000
**** Values calculated:
Seating depth          (in)= 0.446       Volume displaced   (gn H2O)= 5.78
Comb.chamber volume(gn H2O)= 51.22       Projectile travel      (in)= 26.281
**** Input data:
Propellant type........... = Hodgdon Supreme 780
Charge weight..........(gr)= XX.X       Load density......(g/cu.cm)= 1.009
Heat of Explosion  (cal/lb)= 406277      Ratio of spec. heats cp/cv = 1.223
Solid density    (gr/cu.in)= 386.9       Weighting factor...........= 0.5
Burning rate factor Ba(1/s)= 0.403       Pro-/degressivity factor a = 1.031
Burning limit ......... z1 = 0.5         Combust.Chamber Vb(ft³)= 1.174283E-4
Factor.................. b = 1.814       X-S.Area of Bore A(ft²)= 3.698593E-4
Bulk density     (gr/cu.in)= 246.6       Projectile mass mp (lb)= 2.0E-2
Loading ratio           (%)= 103.5       Projectile travel x(ft)= 2.190075E+0

**** Results calculated:
Maximum pressure ........ = 64633 psi    Way of projectile at Pmax = 1.91 in
Muzzle velocity  ......Ve = 3001 fps     Muzzle pressure .......Pe = 9152 psi
Project. energy at muzzle = 2800 ft.lbs  Fraction of powder burnt  = 99.8  %
Projectile travel time from 10% Pmax to muzzle = 1.27 ms

WARNING: Near Maximum Average Pressure - tolerances can cause dangerous pressures !
Real maximum of pressure inside barrel.
End of combustion after the projectile passes muzzle.

                 Table of progress of computed firing process:

NR.:          x(in)         z (%)         v (fps)       p (psi)       t (ms)
-------------------------------------------------------------------------------
  0             0.000         1.00           0.0           3626        0.0000
  1             0.000         1.04           0.9           3757        0.0012
  2             0.000         1.08           1.8           3887        0.0044
  3             0.000         1.12           3.0           4050        0.0087
  4             0.000         1.18           4.6           4278        0.0141
  5             0.001         1.27           6.7           4571        0.0204
  6             0.002         1.36           9.1           4911        0.0275
  7             0.003         1.48          12.0           5315        0.0355
  8             0.004         1.62          15.6           5813        0.0441
  9             0.006         1.78          19.7           6388        0.0534
 10             0.009         1.97          24.5           7047        0.0633
 11             0.012         2.19          30.0           7810        0.0737
 12             0.016         2.45          36.5           8691        0.0846
 13             0.022         2.74          44.0           9692        0.0957
 14             0.028         3.08          52.5          10833        0.1072
 15             0.036         3.47          62.2          12104        0.1189
 16             0.046         3.91          73.3          13528        0.1308
 17             0.058         4.41          85.8          15109        0.1429
 18             0.071         4.97          99.8          16848        0.1550
 19             0.087         5.61         115.5          18742        0.1672
 20             0.105         6.31         133.0          20793        0.1794
 21             0.126         7.10         152.5          22998        0.1916
 22             0.150         7.97         173.9          25339        0.2039
 23             0.177         8.94         197.5          27808        0.2161
 24             0.208         9.99         223.2          30380        0.2283
 25             0.243        11.15         251.2          33038        0.2404
 26             0.281        12.40         281.5          35754        0.2525
 27             0.324        13.77         314.1          38497        0.2646
 28             0.372        15.23         349.0          41234        0.2767
 29             0.426        16.81         386.3          43937        0.2887
 30             0.484        18.50         425.9          46572        0.3008
 31             0.549        20.29         467.7          49106        0.3128
 32             0.620        22.20         511.7          51515        0.3249
 33             0.697        24.21         557.8          53765        0.3369
 34             0.781        26.32         605.9          55834        0.3490
 35             0.873        28.55         656.0          57707        0.3611
 36             0.973        30.87         707.8          59367        0.3733
 37             1.081        33.28         761.3          60800        0.3856
 38             1.198        35.79         816.3          62004        0.3979
 39             1.324        38.39         872.6          62976        0.4103
 40             1.459        41.07         930.3          63718        0.4229
 41             1.605        43.84         989.1          64236        0.4355
 42             1.762        46.67        1048.8          64536        0.4483
 43             1.845        48.14        1079.5          64610        0.4549
 44             1.890        48.91        1095.7          64629        0.4583
 45             1.914        49.32        1104.2          64633        0.4602
 46             1.940        49.75        1113.1          64632        0.4621
 47             2.038        51.40        1147.1          64597        0.4693
 48             2.136        53.00        1180.0          64507        0.4764
 49             2.136        53.00        1180.0          64507        0.4764
 50             2.290        55.32        1228.2          64162        0.4870
 51             2.451        57.58        1276.4          63629        0.4977
 52             2.619        59.78        1324.7          62926        0.5085
 53             2.796        61.93        1372.9          62068        0.5194
 54             2.981        64.01        1421.1          61070        0.5304
 55             3.176        66.04        1469.3          59946        0.5417
 56             3.381        68.01        1517.6          58710        0.5531
 57             3.597        69.92        1565.8          57372        0.5648
 58             3.826        71.77        1614.0          55946        0.5768
 59             4.067        73.56        1662.2          54443        0.5891
 60             4.322        75.29        1710.5          52872        0.6017
 61             4.593        76.97        1758.7          51244        0.6147
 62             4.880        78.58        1806.9          49569        0.6281
 63             5.185        80.14        1855.1          47854        0.6420
 64             5.509        81.64        1903.3          46109        0.6563
 65             5.854        83.08        1951.6          44342        0.6713
 66             6.222        84.46        1999.8          42559        0.6868
 67             6.615        85.78        2048.0          40768        0.7030
 68             7.035        87.04        2096.2          38975        0.7199
 69             7.485        88.25        2144.5          37187        0.7375
 70             7.967        89.39        2192.7          35408        0.7561
 71             8.486        90.48        2240.9          33646        0.7756
 72             9.044        91.51        2289.1          31904        0.7961
 73             9.645        92.48        2337.4          30187        0.8177
 74            10.294        93.39        2385.6          28500        0.8406
 75            10.996        94.24        2433.8          26846        0.8649
 76            11.756        95.03        2482.0          25229        0.8907
 77            12.582        95.77        2530.3          23652        0.9182
 78            13.481        96.44        2578.5          22118        0.9475
 79            14.461        97.06        2626.7          20631        0.9789
 80            15.532        97.62        2674.9          19191        1.0125
 81            16.705        98.12        2723.2          17802        1.0488
 82            17.995        98.56        2771.4          16465        1.0879
 83            19.414        98.94        2819.6          15181        1.1302
 84            20.983        99.26        2867.8          13952        1.1762
 85            22.720        99.53        2916.0          12779        1.2262
 86            24.652        99.73        2964.3          11663        1.2810
 87            25.699        99.81        2988.4          11126        1.3103
 88            26.245        99.85        3000.4          10863        1.3255
 89            26.279        99.85        3001.2          10846        1.3265
 90            26.281        99.85        3001.2          10846        1.3265
 91            26.281        99.85        3001.2          10846        1.3265

Muzzle exit
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Offline FW Conch

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Re: 6.5x55 swede in a Handi?
« Reply #16 on: June 30, 2008, 02:02:27 PM »
    :D  WOW !   Thanks  Tim !  That will give me food for thought for the rest of the evening !  ;D
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Offline quickdtoo

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Re: 6.5x55 swede in a Handi?
« Reply #17 on: June 30, 2008, 02:04:47 PM »
 ;D ;)
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