Mjolnir

The low Sonic 45 Price probably cannot "outweigh" its high 410 to 450 g Mass, I believe, considering Posts regarding Mass before. But other Solutions to reduce Ear pain were mentioned: > A-Tec CTM 4 Alu.( Compact modular moderator - 4 Moduler) > CTM 4 reduserer 308W ca 23-27db - Ø39,5 - Ca 280gram > Vekt: 280 gram Diameter: 40 mm Total lengde: 240 mm Materiale: Aluminium > Ekstra lengde på våpenet: 160 mm > Kr 3.390,-- Now that "A-Tec CTM 4 Alu" seems to me a rather good Compromise between, Mass, Eleongation and Damping. The Price seems to be in the normal Range. If that is regarded a reasonable competitive Offer from A-Tec, I wonder wehre to optimize to create a better Lyd Demper! Therfore let me asl Questions to the Forum: 1. Should further Optimization first try to reduce Weight (and a. raise Price or b. reduce Damping)? 2. Should further Optimization first try to reduce Elengation (and reduce Weight and reduce Damping)? 3. Should further Optimization first try to reduce Price (and increase Weight)? Mjolnir

Thanks Mads, for the URL. If I see and undertstand right the Sonic 45 extends 11 cm before the Muzzle and covers the Barrel 15 cm in the Back. That Design seems rather heavy build and will quite probably not efficiently dampen the Bang! Weight is unfortunately not not stated. My Question: How much weighs the outlined 45 mm Ø Sonic 45 Lyd demper (Norwegian!)? Terkel wrote: “[…] but if the balance in the weapon has to be sacrified to acomplish this, i would rather have a bit shorter silencer and better balance.[…] Sir hit a lot wrote: “[…]i personally prefer that the silencer extends as little as possible in front of the muzzle, instead having a rather large chamber that extends backwards, like the BR reflex.[…] An already well balanced Rifle will not tolerate any Weight added anywhere. So the next best is to add as little weight as possible as close to the Mass center of the Rifle. Torque is a Vektor equalling Mass x Distance (from the previous Mass center). So both less Mass as less Lever length are equally important to produce as little Torque as possible. A Rifles Mass center is above the Point where You hold it in one Hand on the Stock and it has no more Tendency to tilt. This Rifle has the Mass center less 300 g Feuerschlucker 45 cm before the back Stock end. With the FS7 added on the Muzzle, the Mass center moves jsut 5 cm forward. I find this accetpable. The Rifle handles still comfortable as before. It is the Rilfe of a small (in Size and Weight) Girl, my Daughter. Again the FS7 is not a Silencer but a different Muzzle device to comply with German Gun Law on Silencers. So the FS7 is designed not to be one. You in Norway do not have that Issue. So I wonder how I could set up a comparative Test with some Audience and Participants for the new Device (Nowegian ideal Silencer "NIS"). Mjolnir

Mads, You quote a "Sonic 45" Silencer. I do not know it nor get easis Hits with Google. Would You please be so kind, to post a URL to enlighten me on it. Sorrry my Norwegian is not so good, but I am German. Mjolnir

Terkel, an improved (for Durability, as earlier requested) five Chamber Design (one less than before) would protrude 17,5 cm before the Muzzle and weigh 318 Gramm. Damping would be a bit less. If Damping had to be regained, the first Chamber would have to extend back from the Muzzle, but such backward Extension is not so efficient if You conisder Damping for Weight. That means a reaward Extension around the Barrel would add more Weight to dampen the same Decibels, as when applied in Front. The Reference I have been told Teknisk informasjon: > Vekt: ca.450 gram > Diameter: 44,40 mm > Total lengde: 235 mm > Materiale: Aluminium med stål lammeler Ekstra lengde på våpenet: 155 > mm Bygger inn over løpet: 80 mm > Lyddemping: Ca. 32,2 DBC extends from the Muzzle 15,5 cm in Front and 8 cm in the Back, weighs 450 g. So I wonder whether for the same Damping (that for me is sufficient to shoot comfortably without Earplugs in the open Field or Forrest) the extra 2 cm Length in the Front longerer than the Reference to a total 17,5 cm would be o.k, when the Weight stays at 318 g. I wish everyone a good Sunday! Mjolnir

Halllo Forum, thanks for the nice Wellcome. Lete me comment first on the last Post. Trombone shines Light on some Downsides and asks for Durability, after having mentioned, the Race seems to be on for the lightes Unit. Now light Constructions will most likely be off Aluminium, Titanium or Carbon Fibre. True is, the latter will not survive sustained Fire - only a few Shots in a Row, but as I intend those for Hunters I expected no sustained Fire anyway. Also Carbon fibre comes at a raised Price. Next Aluminium, say the tough 7075 T6 Version, gives very good Strengths for its Weight, but Corrosion is a Threat. Overall for no full auto Firing such is a a very good Choice or Compromise between Strength, Weight Price. Now Titanium is excellent on Corrosion - in a hunters Life = forever! - but hard to get in higher Strengh. Lower Strength (pure Titanium, no Alloys) give not much Advantage on Weight, but still carry ugly Machining and high Cost. So that is not a very viably Choice anyway. Steel is the good old Material to rely on an buy and machine cheaply, but will be heavier. All these Comparions relate to available Materials only. So when Trombone both asks for lightes Weight and Durability in the Same Post, the Answer is, You cannot have both in the Same Unit. One would either design for Durability (CrNiSteel) or lightes Weight (High Strength Aluminium). As s Sport Shooter, Chrme Nickel Steel is adequate. As a Hunter Aluminium would be. The Al Unit will still sustain a few thousand Shots - but with some Time in between, please! Steel You may shoot red hot! With Steel You end up at Things like the A-Tec MAXIM, which exists already an needs not to be duplicated. You are at a Pound Weight. Sharpsniker wrote "I'd buy it as long as it will also outperform my Hausken silencer regarding dB suppression. The price is not that deterring, actually." Hausken Patent http://www.freepatentsonline.com/20030145718.pdf" target="_blank" target="_blank Yes that can be done, but how much Volume or Diameter an Length in Front of the Muzzle will You tolerate. I believe a Devicce with the the mentioned 20 cm length in Front of the Muzzle and 5 cm Diameter will do. But ist that acceptable? Regards Mjolnir

Hallo, i am new to this Forum, but speak no Norwegian. A Friend recommended to ask my Question here. Ist is about Silincers for Full Bore Hunting Rifles. I am a German Physicist. I was asked to to outperform the following: > Teknisk informasjon: > Vekt: ca.450 gram > Diameter: 44,40 mm > Total lengde: 235 mm > Materiale: Aluminium med stål lammeler Ekstra lengde på våpenet: 155 > mm Bygger inn over løpet: 80 mm > Lyddemping: Ca. 32,2 DBC > Fritt salg. http://www.wingevapen.no/index.php?do=product&id=2010" target="_blank" target="_blank" target="_blank" target="_blank (2490 NKr ~ 316 €) I tentatively calculated a Desigh in full 7075 T6, a six Chamber Aluminium Design, prodtruding 200 mm before the Muzzle with 50 mm outer Ø to weigh 320 g. To further Reduce the Weight, Carbon Fibre Compossites would have to be be emploeyd, reducing Weight to 250 g, but raising the Price probably above 400 €. Now my Question is, for a really well damping Silencer, would such Dimensions and Pricing in Norway appeal to You Hunters? I was asked to refrain from blue, as reservered for Moderatorss, so i switch to green! Reagrds Mjolnir