The Firing Line Forums lightest kick; lowest noise?
 User Name Remember Me? Password
 Forum Rules Firearms Safety Firearms Photos Links Library Lost Password Email Changes
 Register FAQ Calendar Search Today's Posts Mark Forums Read

 Thread Tools Search this Thread
 November 8, 2005, 12:51 PM #1 mollow Member   Join Date: November 3, 2005 Posts: 43 lightest kick; lowest noise? All other things being equal (ie, frame and slide material, barrel length, etc) does a 1911 have less kick in 9mm or 38 super? What about the sound quality? Can a 38 super be altered to take any other loads?
 November 8, 2005, 01:51 PM #2 LHB1 Senior Member   Join Date: March 25, 2005 Location: Houston, TX Posts: 1,545 Mathematically, in a given gun, the load with lowest ft-lbs of muzzle energy will have the lowest recoil. Felt recoil is subjective and varies widely by individual. IMO the load having highest pressure remaining at the muzzle will have the loudest noise. This will vary by pressure of load and barrel length. Good shooting and be safe. LB
 November 18, 2005, 06:09 PM #3 samoand Senior Member   Join Date: November 1, 2005 Posts: 211 2 LHB1: humbly disagreeing about recoil here: it's defined by momentum rather than energy. Comparing two bullets with identical loads, the lighter bullet will have more energy; yet the heavier one will have more momentum and, consequently, more recoil (even though it's slower and delivers less energy). -Best regards.
 November 18, 2005, 07:42 PM #4 LHB1 Senior Member   Join Date: March 25, 2005 Location: Houston, TX Posts: 1,545 Samoand, It's been 40+ years since I studied physics in college but as I recall the physical law of equal and opposite actions was stated using kinetic energy instead of momentum. That is why my statement refers to kinetic energy in comparing total mathematical recoil to muzzle energy of bullet. Perhaps someone with fresher info can fill us in. Good shooting and be safe. LB
 November 18, 2005, 07:46 PM #5 cntryboy1289 Senior Member   Join Date: July 19, 2004 Location: Ms Posts: 1,160 almost right Your post isn't quite right either. The heavier bullet moving slower will have more kinetic energy as well as more momentum and recoil. For every reaction there will be an equal and opposite reaction, this is the Law of Physics that applies every time you pull a trigger. The 9mm should have less recoil using a bullet in it's average weight class than a 38 Super using a bullet in it's average weight class. Use a heavier bullet and the recoil goes up respectively because the weight of the bullet goes up as does the load of powder needed to fire the heavier load. More powder and weight of bullet equal heavier recoil to the shooter because of the same Law of Physics will always apply. You can change the bullet weight of a 9mm to a heavy one and it have more recoil than a lighter load in the 38 Super. Energy plus momentum gives you the recoil. If you use a very heavy recoil spring, the felt recoil can be lessened by the spring, but actual recoil is still going to be the same no matter what spring you use. There are a lot of different things that go into felt recoil and I am not going to touch them all here, but there are things that can be done to lessen the effect of recoil. How you hold the gun with respect to the hands and wrists being inline as well as not locking out the arms will help lessen the effect of recoil. Neither of the two guns you mentioned should be too much even for a young shooter if they hold the gun correctly. Just know that when you use more powder and a heavier bullet, recoil will go up accordingly no matter what caliber you are talking about. If you take everything into consideration, the gun using the most powder and heavier bullet will always have more actual recoil. There are several things that can make a gun feel like it has less recoil just as an example, look at the WSM's. They use about the same load of powder and use the same bullets as the Magnums they are a copy for, but they exhibit less felt recoil.
 November 18, 2005, 08:56 PM #6 Jim Watson Senior Member   Join Date: October 25, 2001 Location: Alabama Posts: 13,738 LHB1, Recoil is based on the conservation of momentum, not kinetic energy. The recoil energy of a centerfire handgun is in the range of 5 to 10 ft-lbs, more for the lightweight magnums and the monster magnums.
 November 19, 2005, 04:08 PM #7 samoand Senior Member   Join Date: November 1, 2005 Posts: 211 LHB1: it's conservation of momentum for recoil, really. Conservation of energy deals with something else: i.e. much energy will be conveyed to bullet and firearm given how much energy was released by burning powder. Don't forget part of it that goes to heating your firearm and the bullet )) cntryboy1289: refer to comparison tables on different bullets/loads. You'll see that heavier bullets with identical loads have less energy, which is understandable: they travel slower; kinetic energy is in linear proportion to weight yet in square proportion to speed. Best regards!
 November 19, 2005, 07:15 PM #8 cntryboy1289 Senior Member   Join Date: July 19, 2004 Location: Ms Posts: 1,160 ? for you Could you explain to me which bullets and powder loads are you referring to? If you compare a heavy bullet moving slow to a heavy bullet moving fast with both bullets being of equal weight, the faster moving bullet will have more recoil simply because the energy needed to expel the bullet at a faster rate is greater. Recoil is not a conservation of energy. You don't conserve energy in the process of firing a bullet down the barrel. Energy is released down the barrel, but that reaction causes an equal an opposite reaction in other direction which is recoil. If you use more powder with the same bullet, it will do two things: Speed up the bullet of course and create more recoil due to more energy being generated. A big slow moving bullet doesn't necessary mean less kinetic energy either nor does it mean less recoil. A fast moving light bullet won't necessarily create more energy nor more recoil, but it can do both using the right caliber of bullet and powder combo.
 November 19, 2005, 09:01 PM #9 samoand Senior Member   Join Date: November 1, 2005 Posts: 211 cntryboy1289: Comparing different loads makes no sense indeed as it's comparing apples and oranges. All said holds true for 2 arbitrary yet identical loads, using 2 different bullets. Lighter bullet will have more kinetic energy yet less momentum. - Best regards
 November 22, 2005, 04:30 PM #10 RRR Senior Member   Join Date: November 21, 2005 Posts: 100 "All other things being equal (ie, frame and slide material, barrel length, etc) does a 1911 have less kick in 9mm or 38 super? What about the sound quality? Can a 38 super be altered to take any other loads?" #1 Yes thay have a lighter kick in 9mm but for lack of a better word is "sharper".Now as for the 38 super if I remember rite is a very hot round something like a 9mm+p+p or something on thay order.Now can it be altered to take other rounds I would say yes and no. The cost would be great if it can be done at all.If you have a 1911 you can probly just get a new barrel Mag,link,and barrel bushing. Sound quality the faster a bullit movers the "sharper" the sound AKA louder.In most cases.

 Thread Tools Search this Thread Search this Thread: Advanced Search

 Posting Rules You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Forum Rules
 Forum Jump User Control Panel Private Messages Subscriptions Who's Online Search Forums Forums Home Hogan's Alley     Tactics and Training     Handguns: The Semi-automatic Forum     Handguns: The Revolver Forum     Handguns: General Handgun Forum The Hide     The Art of the Rifle: Bolt, Lever, and Pump Action     The Art of the Rifle: Semi-automatics     The Art of the Rifle: General     The Dave McCracken Memorial Shotgun Forum     NFA Guns and Gear     The Hunt The North Corral     Lock and Load: Live Fire Exercises     Competition Shooting     Curios and Relics     Black Powder and Cowboy Action Shooting The Skunkworks     Gear and Accessories     The Smithy     Handloading, Reloading, and Bullet Casting         Bullet Casting     The Harley Nolden Memorial Institute for Firearms Research The Conference Center     General Discussion Forum         TFL Photo Contest     Law and Civil Rights         Legal and Political     S.W.A.T. Magazine The Firing Line Gun Show     S.W.A.T. Exchange     Retail Deals and Feedback Forum Support     Site Questions and Tech Support (NO FIREARMS QUESTIONS)     Software and Function Testing

All times are GMT -5. The time now is 12:40 PM.

 -- vBulletin 3 ---- vBulletin 3 - variable fonts ---- Low profile (unsupported) Forum Home Page - Archive - Top

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
This site and contents, including all posts, Copyright © 1998-2016 S.W.A.T. Magazine
Copyright Complaints: Please direct DMCA Takedown Notices to the registered agent: thefiringline.com
Contact Us
Page generated in 0.09798 seconds with 7 queries