How much quieter is a Hugget vs the stackable FX Moderators. Is there even a difference? let's say .22 cal shooting 900fps.
Just curious more than anything.
Just curious more than anything.
FX Moderator vs Hugget
- Thread starter ezerhoden14
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The hugget is a tad quieter. You will notice the difference in quietness in larger calibers more as compared to the .22. But it's a neat piece of equipment. Silent and accurate.
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Hard to tell without a real db meter. They deliver "different" sounds. The Hugget is larger in diameter, length, and weight. So in essence it should be a bit quieter.
Which brings up a good question; if a moderator traps the sound at the muzzle would that in fact make the db level louder nearest the shooter & quietest further away?
Which brings up a good question; if a moderator traps the sound at the muzzle would that in fact make the db level louder nearest the shooter & quietest further away?
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Agree with the above statement by Michael. I'm in the UK where sound mods. are two a penny! Of all the different types I've tried the basic fact remains - The larger the internal c.c. the better the 'sound alleviation'. Its a real shame because some mods. completely ruin the looks of a Sporter Rifle AND they usually add 5-7" to overall length. For instance the simple HW mod is highly effective, but ugly as sin.
It sometimes surprises me when I get to watch & hear one of my rifles fired by someone else - they always seem very quiet (standing to one side about 6' away). Having one's ear right by the rear of the action maybe exaggerates the total noise, it certainly does with some synthetic stocks.
The Hugget attempts to strip some air away (backwards) from the muzzle and Air Strippers, as used by Target shooters here, do lessen the blast somewhat. I dont hear much about them on US Forums (so here's some...http://www.rowanengineering.com/products14.htm). In the past I've tried many types of 'mod'; multi-chamber, partly reflex, diff. internal materials, spring loaded baffles etc etc - it always seems that the simple 2 chamber, bulky types work best.
It sometimes surprises me when I get to watch & hear one of my rifles fired by someone else - they always seem very quiet (standing to one side about 6' away). Having one's ear right by the rear of the action maybe exaggerates the total noise, it certainly does with some synthetic stocks.
The Hugget attempts to strip some air away (backwards) from the muzzle and Air Strippers, as used by Target shooters here, do lessen the blast somewhat. I dont hear much about them on US Forums (so here's some...http://www.rowanengineering.com/products14.htm). In the past I've tried many types of 'mod'; multi-chamber, partly reflex, diff. internal materials, spring loaded baffles etc etc - it always seems that the simple 2 chamber, bulky types work best.
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Nice, this is the kinda stuff I wanted to find out. I've had my wife shot my Bobcat with different numbers of stacks on it so I could listen from a distance. I've decided that to reduce overall length 2 stacks were suffcient over the 5 that came with it. if I ever needed it to be more quiet I can add the rest, but it wasn't that much quieter. It does make sense that the larger they are the more they would reduce sound, I'd assume there are diminishing returns at some point.
BRS, how do those Air Strippers work? just give more surface area for air to escape behind the projectile?
BRS, how do those Air Strippers work? just give more surface area for air to escape behind the projectile?
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I believe the 'science' is -
The cone is placed in such a way as to strip away as much 'excess' air (blast) from the exiting pellet, strip the air away & re-direct it, this having 2 effects:
Pellet is not (or is less) surrounded by expanding air (air which is accelerating past it).
Muzzle flip of the gun is much reduced.
Regarding sound mods - Fred A at FX has put a lot of time in on methods to lessen noise without using conventional mods for you guys in the US, some earlier rifles featured very basic air strippers (more like a muzzle brake) which were vented back along a very narrow barrel sleeve, but now he seems to have decided to follow the much larger diam. sleeves we see on current models. (must be for good reason).
I had a really nice looking multi chamber Rimfire mod (high quality alloy, 5/6 internal thimble baffles of differing sizes & some 'wadding') it was easy to take apart & reassemble in differing stacks etc but not one config. was really any better :-(. I kept it for 4 years or so unused - sadly, it just wasn't big enough to work well on an air rifle. (put it up for sale over here, on a forum. & the guys were falling over themselves to get it..for their .22lrs).
The cone is placed in such a way as to strip away as much 'excess' air (blast) from the exiting pellet, strip the air away & re-direct it, this having 2 effects:
Pellet is not (or is less) surrounded by expanding air (air which is accelerating past it).
Muzzle flip of the gun is much reduced.
Regarding sound mods - Fred A at FX has put a lot of time in on methods to lessen noise without using conventional mods for you guys in the US, some earlier rifles featured very basic air strippers (more like a muzzle brake) which were vented back along a very narrow barrel sleeve, but now he seems to have decided to follow the much larger diam. sleeves we see on current models. (must be for good reason).
I had a really nice looking multi chamber Rimfire mod (high quality alloy, 5/6 internal thimble baffles of differing sizes & some 'wadding') it was easy to take apart & reassemble in differing stacks etc but not one config. was really any better :-(. I kept it for 4 years or so unused - sadly, it just wasn't big enough to work well on an air rifle. (put it up for sale over here, on a forum. & the guys were falling over themselves to get it..for their .22lrs).
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Good topic. I was tempted to buy the Hugget when I bought my Bobcat .25 but decided to wait and see if it was really needed. When you are the shooter, I noticed it sounds a lot louder (still very quiet) versus standing a few feet away while your buddy shoots it. I can't imagine how the Hugget could really make that big of a difference as the stock .25 is so quiet already? Anyone ever seen any DB measurements/ratings between the two? Might be time for a Google search! 
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Thanks for explaining BRS, that's how I was thinking of it exactly.
I've seen a few dB "tests" that were using inexpensive meters, I think you'd need very expensive equipment and a sound proof chamber to get definitive answers.
I've seen a few dB "tests" that were using inexpensive meters, I think you'd need very expensive equipment and a sound proof chamber to get definitive answers.
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Absolutely it is very subjective....where to place the meter, quality of the environment etc. DB testing is always a tough nut to crack, in a real world environment that is meaningful.
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After acquiring an FX Bobcat MK2 25cal. I went through a thorough work up with the chronograph using the two power levels and the JSB Exact King Diablo 25.39 pellets. I ordered the Bobcat with the Hugget from AoA. During the testing I was asked some questions on this site about the difference in sound levels between the Hugget and the stock FX Moderator. What it comes down to is both perceived sound and location from the muzzle. The shooter with either system attached to the rifle will hear the muffled report with the Hugget being slightly lower in tone. From the side of the shooter the Hugget is again slightly lower than the standard FX Moderation system. The difference is most noticeable out in front of the muzzle. The Hugget keeps the sound signature with the shooter. Down range the report is greatly diminished as the range from the muzzle increases. The FX Moderation allows a louder report in front of the muzzle but again that report diminishes as the distance from the muzzle increases. Now I will say this. I do not believe a DB test of either system is really necessary in that both systems are really effective. The rifle with either attached is very quiet. So do you spend the additional money is up to you but during a practical application of both system in the woods squirrel hunting I found that the squirrels were not alerted to my shot beyond 20 yards in normal foliage. The falling squirrels and any movement I made not the report with either moderator alerted the squirrels. They did seem to settle down more quickly with the Hugget but that is my opinion nothing more.
I have shot the rifle just shy of 3500 pellets with great success. I bought the Hugget and am very pleased with the performance on the Bobcat.
I have shot the rifle just shy of 3500 pellets with great success. I bought the Hugget and am very pleased with the performance on the Bobcat.
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Here are two picture of some of the internal components in my custome Swift Rapid. The air-stripper is silver and diverts the air away from the pellet, the baffles are black which trap the air into chambers.
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Thanks for the comparison fr8r. thanks for the pictures Michael. think I'll just stick with my FX Stackables, I'm only using 2 of the 5 anyways to keep the overall length down.
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