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#1
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Small aircraft exhaust silencer manufacturers?
Hello all, I'm trying to find manufacturers of exhaust silencers for
typical Continental and Lycoming small-aircraft engines. I know of Gomolzig, are there others? I'm looking for officially approved silencers, preferrably such that they can be installed to the original exhaust manifold. S. |
#2
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In article ,
Seppo Sipil? wrote: Hello all, I'm trying to find manufacturers of exhaust silencers for typical Continental and Lycoming small-aircraft engines. I know of Gomolzig, are there others? I'm looking for officially approved silencers, preferrably such that they can be installed to the original exhaust manifold. S. If your certification rules are like US rules, you will have to have a STC for the plane and the engine. Do you HAVE to have one? |
#3
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Hello all, I'm trying to find manufacturers of exhaust silencers for
typical Continental and Lycoming small-aircraft engines. I know of Gomolzig, are there others? I'm looking for officially approved silencers, preferrably such that they can be installed to the original exhaust manifold. S. If your certification rules are like US rules, you will have to have a STC for the plane and the engine. Do you HAVE to have one? Yes, certainly, but I'd expect any serious silencer manufacturer to have taken care of that. Now I've found Liese in addition to Gomolzig. Both are in Germany (the noise limits there are very strict). S. |
#4
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In article ,
Seppo Sipil? wrote: Hello all, I'm trying to find manufacturers of exhaust silencers for typical Continental and Lycoming small-aircraft engines. I know of Gomolzig, are there others? I'm looking for officially approved silencers, preferrably such that they can be installed to the original exhaust manifold. S. If your certification rules are like US rules, you will have to have a STC for the plane and the engine. Do you HAVE to have one? Yes, certainly, but I'd expect any serious silencer manufacturer to have taken care of that. Now I've found Liese in addition to Gomolzig. Both are in Germany (the noise limits there are very strict). S. Do indicidual cities or states in Germany restrict your aircraft equipment? If so, that is pure chaos! |
#5
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Now I've found Liese in addition to Gomolzig. Both are in Germany (the noise limits there are very strict). S. Do indicidual cities or states in Germany restrict your aircraft equipment? If so, that is pure chaos! Nope, the standards are the same in all Germany. You can fly a run-of-the-mill small aircraft to Germany, but if it doesn't meet the noise standards you'll pay more in landing fees. |
#6
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Orval Fairbairn wrote:
Do indicidual cities or states in Germany restrict your aircraft equipment? If so, that is pure chaos! No chaos at all. There are "noise classes", and each aircraft has a noise certificate which states in which class it is. When landing, you pay a landing fee and a noise surcharge, the latter depending on the noise class stated in that certificate. (Easier spoken, the landing fee depends on the noise.) There are some airports which are forbidden for the noisier planes, this is stated in the AIP. Stefan |
#7
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In article ,
Stefan wrote: Orval Fairbairn wrote: Do indicidual cities or states in Germany restrict your aircraft equipment? If so, that is pure chaos! No chaos at all. There are "noise classes", and each aircraft has a noise certificate which states in which class it is. When landing, you pay a landing fee and a noise surcharge, the latter depending on the noise class stated in that certificate. (Easier spoken, the landing fee depends on the noise.) There are some airports which are forbidden for the noisier planes, this is stated in the AIP. Stefan It sounds as if the Greens really have everbody by the testicles in Germany. In the US they are some of the most obnoxious people you can ever meet. |
#8
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It sounds as if the Greens really have everbody by the testicles in
Germany. No, just the pilots. Well, I think it is good idea to tax the noisier aircraft a bit more. Do not forget that airports have neighbours too. And Germany like many other west European countries is very densly populated. You see a lot of aircraft overhere with off standard mufflers and propellors just to keep the noise down. At my home airfield they charge you extra during the summer months when you come in after 19:00 or on saturdays and sundays. In this way they want you to fly during office hours. Before I forget, we have "noise sensitive areas" too. They need to be avoided as much as possible. You can always see the pilots with N-reg aircraft coming out of the office looking a bit pale and staggering on their feet after they have paid the landing fees. They do not have a noise certificate thus paying the highest fee. I always like to ask them, with a smirk, 'Nice plane, an SR22 isn'it, what did you pay for your landing? he he he' -Kees D-EDMB |
#9
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Kees Mies wrote:
It sounds as if the Greens really have everbody by the testicles in Germany. No, just the pilots. Well, I think it is good idea to tax the noisier aircraft a bit more. Do not forget that airports have neighbours too. And Germany like many other west European countries is very densly populated. You see a lot of aircraft overhere with off standard mufflers and propellors just to keep the noise down. At my home airfield they charge you extra during the summer months when you come in after 19:00 or on saturdays and sundays. In this way they want you to fly during office hours. Before I forget, we have "noise sensitive areas" too. They need to be avoided as much as possible. You can always see the pilots with N-reg aircraft coming out of the office looking a bit pale and staggering on their feet after they have paid the landing fees. They do not have a noise certificate thus paying the highest fee. I always like to ask them, with a smirk, 'Nice plane, an SR22 isn'it, what did you pay for your landing? he he he' -Kees D-EDMB Just my opinion: Controlling behavior by taxes and fees is naive, simplistic and probably ineffective. But it does provide more jobs for bureaucrats to track licenses, compliance and fines. But it's your tax money... A better approach is to make certain tail numbers are readable from the ground so offenders can be identified. If enough people are sufficiently annoyed, they can hire a sound engineer to measure the sound level and pursue the issue in the court system using the existing noise ordinances. Once word of successful prosecution get out, things will change. Offending tail numbers can be published in the newspapers so people will know the operators are antisocial and should not be encouraged. |
#10
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Orval Fairbairn wrote:
It sounds as if the Greens really have everbody by the testicles in Germany. In the US they are some of the most obnoxious people you can ever meet. Personally, some of the most obnoxious people I have met were pilots... Stefan |
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