[NSRCA-discussion] YS170 at 96dB

[Koenig, Tom]

Hi Chaps,

Any of you running the 19 x 11 on the CDI?

Thanks....I'm about to order some and was wondering ( I haven't flown the engine yet)

Tom Koenig

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From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of colin chariandy
Sent: Wednesday, 5 August 2009 12:08 PM
To: General pattern discussion
Subject: Re: [NSRCA-discussion] YS170 at 96dB

Wow that's low. I think "Weak signals" is asking for 96dB so I should'nt have to dial it back much.

Thanks much.

--- On Tue, 8/4/09, AtwoodDon at aol.com <AtwoodDon at aol.com> wrote:

From: AtwoodDon at aol.com <AtwoodDon at aol.com>
Subject: Re: [NSRCA-discussion] YS170 at 96dB
To: nsrca-discussion at lists.nsrca.org
Received: Tuesday, August 4, 2009, 10:03 PM
We have been doing some testing here in Sacramento over the last couple weeks.  Looks like 73-7400 on 30% is about the max to make 94db or slightly less.  Make sure the prop tips are clean, not chipped or dinged.  It makes a difference.

Don

In a message dated 8/4/2009 6:58:34 P.M. Pacific Daylight Time, cchariandy at yahoo.ca writes:
Does anybody know what rpm will pass a noise test for a YS170 turning 18.1X11?

Colin.


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