StretchNM
HB Life Member
| Joined: | Sat Jan 10th, 2009 |
| Location: | Alamogordo, New Mexico USA |
| Posts: | 158 |
| Photo: | [Download] | | Are you a handloader?: | Yes | | Favorite type of cartridge to load?: | big bore dangerous game | | My favorite chambering is:: | 25-06 |
| Status: |
Offline
|
back to top
|
StretchNM wrote: Using a max of 62.0 of Reloder 19 or a max of 50.5 of Varget, Lee's manual shows 2880fps and 2873fps respectively..... out of a 24" barrel. Now, how much velocity is lost per inch of barrel? I don;t know how to figure that, but I'm thinking you could get 1700fps out of that rifle, or get close to it anyway.
I tried to edit that when I saw it, but it was too late. I meant to say 2700fps, not 1700.... I think you could get that much speed.
Anyway, even if not, I think Paul B. summed it up pretty good.
____________________
DON'T BE SCARED
-Stretch
|
wheezengeezer
Moderator
| Joined: | Mon Jul 16th, 2007 |
| Location: | Jeddediah Jones Swamp,Corbin, Kansas USA |
| Posts: | 1319 |
| Photo: | | | Are you a handloader?: | Yes | | Favorite type of cartridge to load?: | pistol | | My favorite chambering is:: | 44 Marlin 1.28 straight |
| Status: |
Offline
|
back to top
|
Everyone would love a fast,accurate,superlight,quick handling rifle.However one may need to be comprimised to best achive the other.The rifle has already 2 of those desired traits.Fast is already comprimised so focus on the last.Accurate.I would refer to several data sources and pick a powder that is on the faster side of the group that still gives good velocity.A powder that needs a longer barrel may be more flash and less velocity than one that is faster.It is thought that a single base powder will give less muzzle flash but a double base in the faster group may work well.I think if I had a short light accurate 06 I couldnt care less about the top velocity.After all in this rifle,a bit slower than the top loads in a longer barrel will be more shooter friendly which will help accuracy.I would choose something from line 22 to 30 in this chart. http://www.gsgroup.co.za/burnrates.html
____________________
I was raised in the 50's on gunpowder and jackrabbits.salt and pepper wooda made'em taste better
|
Paul Tummers
Moderator
| Joined: | Mon Jun 18th, 2007 |
| Location: | Berg En Terblijt, Netherlands |
| Posts: | 594 |
| Photo: | [Download] | | Are you a handloader?: | Yes | | Favorite type of cartridge to load?: | rifle | | My favorite chambering is:: | .222 Rem and the .308 Winch. |
| Status: |
Offline
|
back to top
|
I have a rifle with a 51cm barrel myself, not in .30-06 but in .308W.
In a German Forum (wild und Hund Forum),there is from time to time a discussion about the best caliber for short barreled rifles, there must be over 200 postings about that issue by now.
It seems, there are calibers like the .308W. and, surprisingly, the 8 mm Mauser which are the most suitable to a shorter barrel.
The 30-06 comes out there as not a very best choise for a shorter barrel- the results are at best equal to the .308W.
If one however has a 30-06 rifle, one has the advantage of the shorter barrel in handling the rifle, also has more report and if not loaded with comparatively fast powder ,a nice big muzzle blast.
I never did take any care myself about velocity very much, do not own a chrono, but alsways was content when I had an accurate load which gave me the thing I needed-clean kills and a moderate loss of eatable meat, and this seems for me to be the case at the more moderate loadings/bullet speeds.
Take for instance a shot at a roe deer with a .222Rem.
If loaded with 19.8 grain of VV. N120, the 50 grain Sierra #1340 bullet has a V0 close to 1000 M/sec. listed in the manual and in my computer program.
If I shoot this roe deer at a 100 meters with a the same loaded round, it will be likely to run somewere between 15 and 75 meters and then collapse.If this happens close to a wooded aria with some massive undergrowth be sure ,that is the place to search for it- not always fun if there is no good dog present!
If shoot an equal animal at 200 yards, it very likely will collapse dead in its tracks, which I personally prefer.
I guess, all is said already in the previous postings, main thing of it, that speed is a factor which should not be over-rated.
Good luck!
Paul T.
____________________
There almost always is a way to do things better, more often than not by simplifying.
|
OldStuffer
Moderator
| Joined: | Sat Oct 31st, 2009 |
| Location: | Newton, Kansas USA |
| Posts: | 1151 |
| Photo: | | | Are you a handloader?: | Yes | | Favorite type of cartridge to load?: | I load everything! | | My favorite chambering is:: | 12-gauge A-5, .308 Winchester BAR, .45acp (in a 1911 of ... |
| Status: |
Offline
|
back to top
|
That's a very nice chart Geezer, and I aggree, something in that powder speed range.
That barrel is, IMO, way to short to be anywhere near optimal for that cartridge, and thus the trade-offs begin.
|
SCdeerhhunter
member
| Joined: | Wed Jun 10th, 2009 |
| Location: | Greenville S.C, USA |
| Posts: | 20 |
| Photo: | | | Are you a handloader?: | Yes | | Favorite type of cartridge to load?: | rifle | | My favorite chambering is:: | .35 remington/.243 winchester / large rifle |
| Status: |
Offline
|
back to top
|
I have an savage mdl 10 in .243 that shoots 80 grn psp,ballistic tip,fmj, whatever 80grn like a dream but i tried 100grn in psp's and got terrible groups. I started out with remington factory loads til i got the dies to reload. Ive only tried 80grn'ers in my reload's but when i first bought that rifle i tried the higher grains(100's) in hope that theay would perform well, but dident. I use the rifle for deer when i want to carry somethin light. A lot of people put the rifle doun for deer expecially with that light of a bullet but i believe that with a well placed shot just about anny gun .22 cal and above will do the job efficently.But everyone is not capable of that we all have our bad days. But back on the subject, i figured the reason i dont get good grouping with heavier bullets is because of the rate of twist of the barrel. Is thare a combo of powder/bullet that i could use in a 100grn that would get better grouping in the type rifle i have? I generally use imr 4895 .
Last edited on Sun Dec 6th, 2009 11:20 PM by SCdeerhhunter
____________________
A gun in the hand is better than a cop on the phone !
|
Busted
HB Pro Staff
| Joined: | Sun Sep 13th, 2009 |
| Location: | |
| Posts: | 153 |
| Photo: | | | Are you a handloader?: | Yes | | Favorite type of cartridge to load?: | I load everything! | | My favorite chambering is:: | 30-06 |
| Status: |
Offline
|
back to top
|
"The VV 500 series of powder do not work that way-they need a long barrel to develop their entire burning process-"
Well, the idea basic idea is that the velocity for any load is determined by the barrel time-pressure curve. Whatever load will develop the higest possible velocity will do it regardless of the barrel length.
That is not to say that a longer barrel won't increase the MV, only that the same time-pressure curve that works for longer also works for shorter barrels. But, from my experience, my God, what an ear splitting muzzle blast it will produce in an -06!
|
Paul B
Handloading Master
| Joined: | Sun Sep 30th, 2007 |
| Location: | |
| Posts: | 555 |
| Photo: | | | Are you a handloader?: | Yes | | Favorite type of cartridge to load?: | I load everything! | | My favorite chambering is:: | |
| Status: |
Offline
|
back to top
|
Busted. At one time I hunted the rain forest of Northwestern California and used a 103 Springfield 30-06 with the barrel whacked off to 18.5" At the time my favorite powder was 4895 and the 170 gr. bullet for the 30-30, usually a Sierra. IIRC, the load did an estimated 2400 FPS which was fine as I never saw a shot over 100 yards and most as 50 yards or less. The important thing was smack that der down hard because if it ran more than 25 yards or so after being shot, odds are you would not find it. I never lost a deer hunting that area. The gun was a bit loud (classic understatement  ) at the bench but in those thick woods, the noise seemed to be muffled.  I have also noticed that while elk hunting with ahot loaded .300 Win. mag. that when shooting at game, I never seems to notice the report of the rifle or the ecoil. Guess I'm too busy concentrationg on making the shot to notice. 
You want to hear load, do a hot load in a .308 Win. with 20" barrel using H-335 and a 150 gr. bullet loaded to the max for that particular rifle. The ball of fire that comes out of the barrel can be been on a bright sunny summer day and the blast, well it was something to behold. I lost my loading notes in the move from Nevada to Arizona and I keep forgetting to ask my hunting partner up in NV for the data as he uses that same load in his rifle which has an 18.5" barrel. The bark is nasty but the load is dead nuts accurate.
I have noticed that the ball powders seem to make louder muzzle blasts, especially in shorter barrels. I wonder if it is because they are a double based powder?
Paul B.
|
| Current time is 08:43 PM | Page:   1 2 |
|
