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Posted: Sat Apr 10, 2010 2:33 pm |
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| SEE IT LIKE A NATIVE |
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Hello guys ! I just started shooting airguns and have a Beeman sportsman rs1 -- in .177 cal ! claimed velocity is 1000 fps I am not sure what weight pellet that is with !
I recently was requested to help a friend with a Racoon problem the range is usually 50 ft or less and I am trying to stick to head shots only ! I have recently aquired a supply of eunjin 16 grain .177 cal pellets ! I am wondering what kind a velocity /energy numbers I can expect with the 16 grain pellets ? I test fired a few of these pellets into a target taped to a sheet of 1/2 inch thick plywood and they passed completly through and left dents in the steel door behind it ! I am thinking these will be a good performer on racoons even if I have to go to heart/lung shots ! any advice or comments are welcome ! Kevin |
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Posted: Sat Apr 10, 2010 2:52 pm |
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| broommaster2000 |
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For starters, Welcome aboard!
Second, never use caps-lock.
Now, for raccoon hunting I'm not sure if it's to be recommended to shoot em with .177 pellets, even if you have plenty of power. Your rifle just might do a lot less then that advertised 1000 with the right pellets.
Read around on the forum what other people use for raccoons. I think you'll find some info around these hunting, pest control and varminting subjects. |
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Posted: Sat Apr 10, 2010 4:30 pm |
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| sniper |
| Silver Status Member |

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pellets that heavy are intended for pre-charged-pneumatics.
not springers. at best your rifle does 13-14 fpe. not enough for coon.
your best performance will be with 8-9 grain pellets.
i've shot 3 coons at close range with .22 LR. they all ran before expiring. |
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_________________ I believe in gun control,
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Posted: Sat Apr 10, 2010 5:46 pm |
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| fritz |
| Silver Status Member |

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Welcome to AGH.
The plywood... what kind of plywood? Distance? Angle? Otherwise that sounds good if you did that at 50' on regular plywood.
It is very debatable wether or not you can [humanely] kill a raccoon with that setup. I would not suggest you even try, but would not be surprised if you did and where successful. |
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_________________ "I never set out to be wierd, it was always everyone else who called me it" -Frank Zappa
Speed is impressive, accuracy is deadly.
It's not that I'm not a people person, it's just that I'm not a stupid people person. |
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 |  | | | |  |  |  |  | Limited success! |  | |  |  |  |
Posted: Wed Apr 14, 2010 4:10 am |
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| SEE IT LIKE A NATIVE |
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| Well I gave the Raccoon a try with the 16 grain .177 cal pellets and the result was a very dead raccoon of about 15-20 lbs. Unfortunatly my Chinese Beeman self destructed during a practice session afterwords so there will be no second attempt , at least not until I get a new gun !Or conceavably fix this one !!!?? He was sitting on top of a dumpster and facing me , when he looked at the ground in front of him ,he took a pellot in the top of the head ! He dropped like a rock , no exit wound but the pellet could have gone down his throat , the angle was about right ! I wish I had a few hundred dollars to plunk down on a PCP gun !! they look slick ! Kevin |
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 |  | | | |  |  |  |  | Re: Limited success! |  | |  |  |  |
Posted: Wed Apr 14, 2010 11:55 am |
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| donec |
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| SEE IT LIKE A NATIVE wrote: |
| Well I gave the Raccoon a try with the 16 grain .177 cal pellets and the result was a very dead raccoon of about 15-20 lbs. Unfortunatly my Chinese Beeman self destructed during a practice session afterwords so there will be no second attempt , at least not until I get a new gun !Or conceavably fix this one !!!?? He was sitting on top of a dumpster and facing me , when he looked at the ground in front of him ,he took a pellot in the top of the head ! He dropped like a rock , no exit wound but the pellet could have gone down his throat , the angle was about right ! I wish I had a few hundred dollars to plunk down on a PCP gun !! they look slick ! Kevin |
In what manner did the "Chinese Beeman" self destruct? |
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Posted: Wed Apr 14, 2010 7:32 pm |
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| SEE IT LIKE A NATIVE |
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| The trigger /sear will not latch up and hold the piston against spring pressure when the gun is cocked !I have it apart and am attempting to correct the situation by filing the trigger stop to allow the trigger to rotate and travel a little further and engage the piston and hold it ! I believe you guys about the heavy pellets being for ppg type guns ,but I would like to understand the phsics behind it ? I was thinking you would get a slightly higher pressure and longer duration power pulse with the heavier pellet ! What am I missing here ?? Kevin |
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Posted: Thu Apr 15, 2010 12:42 am |
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| kanyon |
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| SEE IT LIKE A NATIVE wrote: |
| The trigger /sear will not latch up and hold the piston against spring pressure when the gun is cocked !I have it apart and am attempting to correct the situation by filing the trigger stop to allow the trigger to rotate and travel a little further and engage the piston and hold it ! I believe you guys about the heavy pellets being for ppg type guns ,but I would like to understand the phsics behind it ? I was thinking you would get a slightly higher pressure and longer duration power pulse with the heavier pellet ! What am I missing here ?? Kevin |
Ok..Yer sitting ?
Its all to do with the area of the pellet the air has to push aganist verus the pellets weight..
Why can the same action push a 16g .22 pellet safely but not a 16g .177 pellet...
The .22 pellet has a bigger surface area..so the same amount of air pressure can apply more power to the .22 pellet because of its bigger surface area....
what dose PSI mean ?.....PER SQUARE INCH....
Basicly...weight/surface area ratio...
theres also drag..but the diffrents would be so small its not worth worrying about....
Pete |
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Last edited by kanyon on Thu Apr 15, 2010 12:44 am; edited 1 time in total |
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Posted: Thu Apr 15, 2010 12:43 am |
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| Dust |
| Member |

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| You tried to tow a boat with a honda civic. Your gun doesn't have the power to move the bigger pellets |
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Posted: Thu Apr 15, 2010 12:50 am |
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| kanyon |
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| Dust wrote: |
| You tried to tow a boat with a honda civic. Your gun doesn't have the power to move the bigger pellets |
WOW ....thats criptic...
I will need to give the boat / Honda civic ratio some thought |
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Posted: Thu Apr 15, 2010 2:18 am |
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| Dust |
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| kanyon wrote: |
WOW ....thats criptic...
I will need to give the boat / Honda civic ratio some thought |
You are taking the gun outside of it's design parameters. A springer is made to fire a certain weight of pellet, like mentioned above. When the pellet has too much length/weight (can't go for width because that is already set), there is too much pellet to be pushed by the set amount of air (resistance), and it can cause problems. Just like too much weight (boat) for not enough engine(civic 1.5-1.8). It was a rough comparison, but got the point across.
Or, pretend your brain is the spring. Shove too much stuff into a straw and blow on it. Your brain cells die, just like the spring in your springer. Instead, hook the straw up to an air compressor, and watch the big tank of air and MUCH greater pressure clean the straw out. |
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Posted: Thu Apr 15, 2010 2:47 am |
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| kanyon |
| Silver Status Member |

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| Dust wrote: |
| kanyon wrote: |
WOW ....thats criptic...
I will need to give the boat / Honda civic ratio some thought |
You are taking the gun outside of it's design parameters. A springer is made to fire a certain weight of pellet, like mentioned above. When the pellet has too much length/weight (can't go for width because that is already set), there is too much pellet to be pushed by the set amount of air (resistance), and it can cause problems. Just like too much weight (boat) for not enough engine(civic 1.5-1.8). It was a rough comparison, but got the point across.
Or, pretend your brain is the spring. Shove too much stuff into a straw and blow on it. Your brain cells die, just like the spring in your springer. Instead, hook the straw up to an air compressor, and watch the big tank of air and MUCH greater pressure clean the straw out. |
The action can fire 16g pellets in .22 but not in .177 ..So 16g is with in the
the design paramaters of the action... So theres another reasion....And somethig ealse changes the the actions capability when a .177 barrel is put on..but never the less 16g is with in the capability of the action in .22...
Surface area....Go a few posts up ....
PS..I have a Subaru Justy 1000cc 3 cyc car & I tow a boat with it..
A small boat..12' alloy dinghy....but never the less a boat... |
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Posted: Thu Apr 15, 2010 9:26 am |
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| donec |
| Senior Member |

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| Too bad there is not a list of pellet design parameters for our guns so we can know what size pellets we can use without causing damage. |
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Posted: Thu Apr 15, 2010 11:09 am |
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| rsterne |
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There is a very long, involved thread on this forum about using heavy pellets in springers.... The argument is that every springer above "pop-gun" power (for sake of argument like target rifles which are all under ~550 fps) gets at least SOME of it's power from combustion of a thin film of lubricant spread along the walls of the tube by the previous stroke of the piston.... Note, not "detonation" or "dieseling" which is destructive.... but a "controlled burn"....
When you put in a heavier pellet, the pressures in the chamber rise to a higher level before the pellet starts to move (more momentum).... and eventually, with a heavy enough pellet, the pressure will rise to the point of detonation or dieseling.... This "explosion" IS detrimental to the gun, causing piston bounce, spring re-compression (to the point of kinking it) and seal failure.... There was a recent thread showing damage to an RWS-350 which may have been caused by this phenomenon.... The damage to your rifle begs the question if it suffered a similar fate....
I'm still not sure I buy all the arguments on this subject.... but there seems to be enough anecdotal evidence to support it.... The conclusion of that thread was that "medium powered" springers (in the D-34 power range) shouldn't use pellets above about 9.5 gr. in .177 or 18 gr. in .22 cal.... "Magnum" springers should be designed to handle the heavier pellets, but even there, the upper limit would appear to be about 11.5 gr. in .177 and 21 gr. in .22.... Pellets heavier than that are designed for use in high-powered PCPs....
Bob |
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_________________ Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since!
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Posted: Thu Apr 15, 2010 3:20 pm |
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| SEE IT LIKE A NATIVE |
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| rsterne wrote: |
There is a very long, involved thread on this forum about using heavy pellets in springers.... The argument is that every springer above "pop-gun" power (for sake of argument like target rifles which are all under ~550 fps) gets at least SOME of it's power from combustion of a thin film of lubricant spread along the walls of the tube by the previous stroke of the piston.... Note, not "detonation" or "dieseling" which is destructive.... but a "controlled burn"....
When you put in a heavier pellet, the pressures in the chamber rise to a higher level before the pellet starts to move (more momentum).... and eventually, with a heavy enough pellet, the pressure will rise to the point of detonation or dieseling.... This "explosion" IS detrimental to the gun, causing piston bounce, spring re-compression (to the point of kinking it) and seal failure.... There was a recent thread showing damage to an RWS-350 which may have been caused by this phenomenon.... The damage to your rifle begs the question if it suffered a similar fate....
I'm still not sure I buy all the arguments on this subject.... but there seems to be enough anecdotal evidence to support it.... The conclusion of that thread was that "medium powered" springers (in the D-34 power range) shouldn't use pellets above about 9.5 gr. in .177 or 18 gr. in .22 cal.... "Magnum" springers should be designed to handle the heavier pellets, but even there, the upper limit would appear to be about 11.5 gr. in .177 and 21 gr. in .22.... Pellets heavier than that are designed for use in high-powered PCPs....
Bob |
Now we are getting somewhere ! I wonder how much pressure is developed in my springer ? I would guess about 250 -300 psi ? at most ! I also wanted to say that my gun was showing signs of trouble latching before a tried the heavy pellets ! I believe the damage to my gun resulted from the uncontrolled firing whenwhen the barrel was returned to battery position !After it fired a couple times without pulling the trigger I cocked it without loading a pellet to troubleshoot and the gun fired unloaded ! It looks like the sear is worn slightly but I dont know what it looked like new ! Also this gun only has about 200 rounds through it total !Maybe 20 were 16 grainers ! By the way the 16 grain pellets were very accurate 3 shots inside a dime at 50 ft . Kevin |
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