X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [65.54.250.76] (HELO hotmail.com) by logan.com (CommuniGate Pro SMTP 5.0.8) with ESMTP id 983083 for flyrotary@lancaironline.net; Mon, 13 Feb 2006 13:14:32 -0500 Received-SPF: pass receiver=logan.com; client-ip=65.54.250.76; envelope-from=lors01@msn.com Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Mon, 13 Feb 2006 10:13:44 -0800 Message-ID: Received: from 4.171.129.62 by BAY115-DAV4.phx.gbl with DAV; Mon, 13 Feb 2006 18:13:44 +0000 X-Originating-IP: [4.171.129.62] X-Originating-Email: [lors01@msn.com] X-Sender: lors01@msn.com From: "Tracy Crook" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Another rotary failure Date: Mon, 13 Feb 2006 13:13:42 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0296_01C6309F.4FF334F0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: MSN 9 X-MimeOLE: Produced By MSN MimeOLE V9.10.0011.1703 Seal-Send-Time: Mon, 13 Feb 2006 13:13:42 -0500 X-OriginalArrivalTime: 13 Feb 2006 18:13:44.0568 (UTC) FILETIME=[39F6E780:01C630C9] This is a multi-part message in MIME format. ------=_NextPart_000_0296_01C6309F.4FF334F0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable No word on the exact cause yet but did learn that Chuck was using seals = from Mazdatrix. They sell only stock Mazda seals as far as I know. Tracy ----- Original Message -----=20 From: Bob White=20 Hi Chuck, I'm sorry to hear about your engine failure, but glad that at least it was a soft failure. No smoke or flames and you were making enough power to extend your glide to an airport. :) I will be very interested in what you find when you tear it down. Bob W. On Sat, 11 Feb 2006 22:26:29 -0700 "Chuck Dunlap" > wrote: > Sorry I didn't make to Bill Eslick's for the Rotorfest, I missed by > about one hour. About 30 miles north of San Angelo TX the RPM = suddenly > dropped and I could not restore it with any of my emergency = procedures. > GPS told me nearest airport was Robert Lee about 15 miles away. I = headed > there and landed without incident. > Turning the prop by hand shows almost zero compression in one rotor, > indicating bad/broken apex seals, quite similar to my engine-out > experience 2 1/2 years ago which caused a forced landing near the = Grand > Canyon. This time the vibration was not quite as bad, and the RPM > dropped to around 4300 which was still not enough to maintain = altitude. > I called my friend with a Glasair and he cam got me and took me = home. I > will have to find some time to build another motor and drive 12 = hours > back there and swap motors. Or I might drive there, remove the wings = and > trailer it back, have not decided yet. > My good friend/mentor/flight instructor is trying to talk me into = going > back to a Lycosaurus, and I have to think of some good reasons not = to. > Until I get the motor back and torn apart, I wont know what caused = the > failure, but I will post anything that I find. > =20 > Regards > Chuck Dunlap > RV-6 13B 535 hours >=20 --=20 http://www.bob-white.com N93BD - Rotary Powered BD-4 (first engine start 1/7/06) Custom Cables for your rotary installation - http://www.roblinphoto.com/shop/ -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net/lists/flyrotary/ ------=_NextPart_000_0296_01C6309F.4FF334F0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

No word on the exact cause yet but did learn that Chuck was using = seals=20 from Mazdatrix. They sell only stock Mazda seals as far as I = know.

Tracy

----- Original Message -----

From: Bob White

Hi = Chuck,

I'm=20 sorry to hear about your engine failure, but glad that at least = it
was a=20 soft failure. No smoke or flames and you were making = enough
power to=20 extend your glide to an airport. :) I will be very
interested = in what=20 you find when you tear it down.

Bob W.

On Sat, 11 = Feb 2006=20 22:26:29 -0700
"Chuck Dunlap" <crayd@cableone.net> = wrote:

>=20 Sorry I didn't make to Bill Eslick's for the Rotorfest, I missed = by
>=20 about one hour. About 30 miles north of San Angelo TX the RPM = suddenly
>=20 dropped and I could not restore it with any of my emergency=20 procedures.
> GPS told me nearest airport was Robert Lee about = 15 miles=20 away. I headed
> there and landed without incident.
> = Turning the=20 prop by hand shows almost zero compression in one rotor,
> = indicating=20 bad/broken apex seals, quite similar to my engine-out
> = experience 2 1/2=20 years ago which caused a forced landing near the Grand
> Canyon. = This=20 time the vibration was not quite as bad, and the RPM
> dropped = to around=20 4300 which was still not enough to maintain altitude.
> I called = my=20 friend with a Glasair and he cam got me and took me home. I
> = will have=20 to find some time to build another motor and drive 12 hours
> = back there=20 and swap motors. Or I might drive there, remove the wings and
> = trailer=20 it back, have not decided yet.
> My good friend/mentor/flight = instructor=20 is trying to talk me into going
> back to a Lycosaurus, and I = have to=20 think of some good reasons not to.
> Until I get the motor back = and torn=20 apart, I wont know what caused the
> failure, but I will post = anything=20 that I find.
>
> Regards
> Chuck = Dunlap
> RV-6=20 13B 535 hours
>

--
http://www.bob-white.com
N93BD = - Rotary=20 Powered BD-4 (first engine start 1/7/06)
Custom Cables for your = rotary=20 installation -
http://www.roblinphoto.com/shop= /

--
Homepage: =20 http://www.flyrotary.com/
Archi= ve and=20 UnSub: http://mail.lanca= ironline.net/lists/flyrotary/

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