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1. 09:08 AM - Re: Re: Backyard Runway (Bert Penney)
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| Subject: | Re: Backyard Runway |
--> RV8-List message posted by: "Bert Penney" <van@entechnos.com>
Just how loud is 72 dBa? I have a neighbor who has a Dodge diesel and I
swear it is louder than any Cessna I've ever heard (except for the 185),
but I have no idea what the sound level is.
I'm glad to hear that there are silencers available. What kind of
engine do you have in your aircraft? I have been toying with the
possibility of buying a Delta Hawk diesel for a number of reasons
including sound levels, but judging from the comments being made in
rec.aviation.homebuilt, getting insurance with anything other than a
certified engine under the hood is getting very difficult and expensive.
Bert
-----Original Message-----
From: romeo.victor@t-online.de [mailto:romeo.victor@t-online.de]
Subject: RE: RV8-List: Re: Backyard Runway
--> RV8-List message posted by: romeo.victor@t-online.de
Hi Bert,
I build a RV8 in Germany and installed two silencer in the lower part of
the cowling. They work well. Regulations require a maximum noise of 72
dBa, which will be achieved by this method. I hope to put some pictures
in the net next month.
Stephan Servatius
80303
Ready to fly, waiting for authorization
"Bert Penney" <van@entechnos.com> schrieb:
> --> RV8-List message posted by: "Bert Penney" <van@entechnos.com>
>
> The noise is something that I have been concerned about. The approach
> path to the runway would not fly over any buildings, but there are
> houses to each side of the path. I don't have an answer yet, but I
want
> to take steps to tone down the noise. My first thought was that, what
> ever engine I eventually decide on, it should be turbo'd. Does anyone
> have any suggestions as to how a person could make the plane quieter?
> How about anyone from Europe? I understand that the noise regulations
> there are quite a bit more stringent than they are here. Is that
true?
> If so, what steps do you take to keep the noise down? I live on the
> prairies and, as a redneck, am qualified to put stacks on my plane,
but
> I think they might be a bit draggy :-)
>
> Bert
>
> -----Original Message-----
> From: Pete Cowper [mailto:pcowper@webtv.net]
> To: rv8-list@matronics.com
> Subject: RV8-List: Re: Backyard Runway
>
> --> RV8-List message posted by: pcowper@webtv.net (Pete Cowper)
>
> >Are there neighbors living there that don't mind 360 straight pipe
> cubes roaring over at 20'AGL?
>
> Come on, no challenge is too difficult for homebuilders.
>
> But . . . after Bert buys up at least a 1,500 foot strip of adjoining
> property from his neighbors for a minimal landing strip . . . he will
> then find himself in the position of municipal airports who must keep
> puchasing complaining neighbor's properties or sound proofing their
> homes.
>
> If buying up the neighborhood is still cheaper than paying a few
decades
> of hanger rent at the local airport, it's a thought.
>
> Otherwise, aren't there some helicopter kits out there?
>
> Pete Cowper
> Lawyer-Pilots Bar Association member
> RV-8 #81139
> N666PC reserved
>
>
>
>
>
>
>
--
Stephan Servatius
Untere Hauptstr. 3
85461 Bockhorn
Germany
Tel. +49 (0) 8122 48383
Fax +49 (0) 8122 902188
Mobil +49 (0) 179 105 9749
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