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[70.193.207.200]) by mx.google.com with ESMTPS id r22sm13350601anh.6.2012.08.05.10.48.38 (version=SSLv3 cipher=OTHER); Sun, 05 Aug 2012 10:48:42 -0700 (PDT) Subject: Re: [FlyRotary] Re: Rotary Forced Landing References: From: Tracy Content-Type: multipart/alternative; boundary=Apple-Mail-701D73A9-E69B-4A55-B03D-3CC873B300D6 X-Mailer: iPad Mail (9B206) In-Reply-To: Message-Id: <5E4CD97C-E58B-4B89-A74D-45B27671DABF@gmail.com> Date: Sun, 5 Aug 2012 11:48:29 -0600 To: Rotary motors in aircraft Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (1.0) --Apple-Mail-701D73A9-E69B-4A55-B03D-3CC873B300D6 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Al probably means the filter that's on factory in-tank pumps. OK, but very h= ard to implement on RV wet-wing tanks. I used a gascolator for low side fi= lter on my -4. Worked OK and when it clogged, switching on the backup pump= with main pump caused the screen disk to collapse and let fuel bypass it. = which is better than no fuel at all but not an ideal solution. On the -8 i used a cleanable Peterson filter with TONS of filter area, work= s great. That was a replacement for the Summit Racing fuel filter with a f= ilter element disk the size of a nickel. It clogged up in about about 5 hou= rs of flight. Tracy Sent from my iPad On Aug 5, 2012, at 10:18 AM, David Leonard wrote: > Yes, it was the high side filter. I don't have any low side filters. Wou= ld be interested in a source for the self-cleaning fool-proof low side filte= rs that Al mentions. >=20 > --=20 > David Leonard >=20 > Turbo Rotary RV-6 N4VY > http://N4VY.RotaryRoster.net > http://RotaryRoster.net >=20 > On Sun, Aug 5, 2012 at 6:34 AM, Tracy wrote: > I assume Al is referring to the pump intake side filter. So for the re= cord, was it the inlet side or the high pressure side filter that clogged? (= Both are needed ) =46rom the symptoms I'm guessing high side but not sure. >=20 > BTW, nice job! >=20 > Tracy >=20 > Sent from my iPad >=20 > On Aug 4, 2012, at 3:53 PM, "Al Wick" wrote: >=20 >> As long as your are rebuilding, tremendous safety improvement by using sa= me fuel filter method that all cars use. No matter how much foreign material= you throw at it, it can't clog. It minimizes pressure drop, so lower risk o= f vapor lock. Self cleaning filter. Self priming pumps.=20 >> =20 >> -Al Wick >> Cozy IV powered by RDM Subaru 3.0R.=20 >> Expert at failure prevention methods, N9032U 240+ hours from Portland, Or= egon >> Glass panel design, Subaru install, Prop construct, Risk assessment info:= >> http://www.ez.org/pages/alwick/index.htm >> ----- Original Message ----- >> From: Jeff Whaley >> To: Rotary motors in aircraft >> Sent: Saturday, August 04, 2012 1:38 PM >> Subject: [FlyRotary] Re: Rotary Forced Landing >>=20 >> Dave, having gone through recently what you just experienced I would like= to say GOOD JOB on getting down safely and with such little damage. Anyway= at 1500 AGL there isn't a lot of time ... obviously you made the right choi= ces. >>=20 >> Jeff >>=20 >> (Rebuilding my Ride) >>=20 >> =20 >>=20 >> From: David Leonard >> Subject: Re: [FlyRotary] Fw: Fw: [FlyRotary] Rotary Forced Landing >> Date: Fri, 3 Aug 2012 06:18:47 -0700 >> To: Rotary motors in aircraft >>=20 >>=20 >> =20 >> Sigh.. >>=20 >> Yup, that was me. I have been meaning to fess up. We were at about 1500 a= gl when the fuses blew on my fuel pumps. I was in a close formation of 40 ai= rcraft at the time too. I think I got some bad MOGAS somewhere in Iowa as I d= id notice my fuel return flow creep downward but didn't think it was a big p= roblem.=20 >>=20 >> On the incident flight, a one hour formation flight from SQI for a mass a= rrival at OSH, the return fuel flow drifted down to zero. I actually though i= t was a sensor problem. I didn't have the ability to give it a lot of attent= ion because we were in a loose formation. Soon after we pulled it together f= or a tight formation power switched off. I tried to find a road, but quickly= ran out of options and put it down in a bean field. With the beans hitting t= he flaps it brought me to a stop in about 200ft, just before I would have go= ne into the full grown corn. As mentioned, wheel pants broke in half but no o= ther damage besides pulling bean leaves out of every nook and cranny. The fa= rmers were very nice, and the stories are true... they have attract= ive daughters. They were out there barefoot in their Sunday best enjoying th= e excitement. Helped me clean the fuel filter and replace the fuses. Within a= couple of hours I was able to take off from one of their driveways as they a= ll waived good bye (but strangely, no one took me up on my offer for a ride)= . >>=20 >> Landed at OSH just before dark to a reserved parking space and a very war= m reception from the formation group and friends. Great support from everyon= e all around, though I am trying to avoid the obvious new call signs they ar= e trying to give me. >>=20 >> --=20 >> David Leonard >> This message, and the documents attached hereto, is intended only for the= addressee and may contain privileged or confidential information. Any unaut= horized disclosure is strictly prohibited. If you have received this message= in error, please notify us immediately so that we may correct our internal r= ecords. Please then delete the original message. Thank you. >=20 >=20 >=20 --Apple-Mail-701D73A9-E69B-4A55-B03D-3CC873B300D6 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8
Al probably means the filt= er that's on factory in-tank pumps.  OK, but very hard to implement on R= V wet-wing tanks.   I used a gascolator for low side filter on my -4. &= nbsp;Worked OK and when it clogged,  switching on the backup pump with m= ain pump caused the screen disk to collapse and let fuel bypass it.   w= hich is better than no fuel at all but not an ideal solution.

=
On the -8 i used a cleanable  Peterson filter with TONS of f= ilter area, works great.   That was a replacement for the Summit Racing= fuel filter with a filter element disk the size of a nickel.  It clogg= ed up in about about 5 hours of flight.

Tracy
Sent from my iPad

On Aug 5, 2012, at 10:18 AM, David Leonard= <wdleonard@gmail.com> wrot= e:

Yes, it was the hi= gh side filter.  I don't have any low side filters.  Would be inte= rested in a source for the self-cleaning fool-proof low side filters that Al= mentions.

--
David Leonard

Turbo Rotary RV-6 N4VY
http://N4VY.RotaryRoster.nethttp://RotaryRoster.net

On Sun, Aug 5, 2012 at 6:34 AM, Tracy <rwstracy@gmai= l.com> wrote:
I assume Al is r= eferring to the pump intake side  filter.    So for the recor= d, was it the inlet side or the high pressure side filter that clogged? &nbs= p;( Both are needed ) =46rom the symptoms I'm guessing high side but not sur= e.

BTW,  nice job!

Tracy
<= br>Sent from my iPad

On Aug 4, 2012, at= 3:53 PM, "Al Wick" <alwick@juno.com> wrote:

As long as your are rebuilding, tremendous safety improvement by using s= ame=20 fuel filter method that all cars use. No matter how much foreign material=20= you throw at it, it can't clog. It minimizes pressure drop, so low= er=20 risk of vapor lock. Self cleaning filter. Self priming pumps.
 
-Al Wick
Cozy IV powered by RDM Subaru 3.0R.
Expert at failure=20= prevention methods, N9032U 240+ hours from Portland, Oregon
Glass panel=20= design, Subaru install, Prop construct, Risk assessment info:
http://www.ez.or= g/pages/alwick/index.htm
----- Original Message -----
From:=20 Jeff=20 Whaley
Sent: Saturday, August 04, 2012 1:38= =20 PM
Subject: [FlyRotary] Re: Rotary Forc= ed=20 Landing

Dave, having gone through recently what you just experienced I would li= ke=20 to say GOOD JOB on getting down safely and with such little damage. =20= Anyway at 1500 AGL there isn't a lot of time ... obviously you made the ri= ght=20 choices.

Jeff

(Rebuilding my Ride)

 

From: David Leonard <wdleonard@gmail.com>
Subject: Re: [FlyRotary] Fw: Fw: [FlyRotary]=20 Rotary Forced Landing
Date: Fri, 3 Aug 2012 06:18:47 -0700
To: Rotary motors in aircraft=20 <flyrotary@lancaironline.net>
3D"=

3D"Undecoded=20
Sigh..

Yup, that was me. I have been meaning to fess up. We= =20 were at about 1500 agl when the fuses blew on my fuel pumps. I was i= n a=20 close formation of 40 aircraft at the time too. I think I got some b= ad=20 MOGAS somewhere in Iowa as I did notice my fuel return flow creep=20= downward but didn't think it was a big problem.

On the incid= ent=20 flight, a one hour formation flight from SQI for a mass arrival at O= SH,=20 the return fuel flow drifted down to zero. I actually though it was a= =20 sensor problem. I didn't have the ability to give it a lot of attent= ion=20 because we were in a loose formation. Soon after we pulled it togeth= er=20 for a tight formation power switched off. I tried to find a road, bu= t=20 quickly ran out of options and put it down in a bean field. With the= =20 beans hitting the flaps it brought me to a stop in about 200ft, just= =20 before I would have gone into the full grown corn. As mentioned, whe= el=20 pants broke in half but no other damage besides pulling bean leaves o= ut=20 of every nook and cranny. The farmers were very nice, and the storie= s=20 are true... they have attractive daughters. They were out there bare= foot=20 in their Sunday best enjoying the excitement. Helped me clean the fu= el=20 filter and replace the fuses. Within a couple of hours I was able to= =20 take off from one of their driveways as they all waived good bye (bu= t=20 strangely, no one took me up on my offer for a ride).

Landed a= t=20 OSH just before dark to a reserved parking space and a very warm=20 reception from the formation group and friends. Great support from=20= everyone all around, though I am trying to avoid the obvious new cal= l=20 signs they are trying to give me.

--
David=20 Leonard

This message, and the d= ocuments=20 attached hereto, is intended only for the addressee and may contain privil= eged=20 or confidential information. Any unauthorized disclosure is strictly=20 prohibited. If you have received this message in error, please notify us=20= immediately so that we may correct our internal records. Please then delet= e=20 the original message. Thank you.



= --Apple-Mail-701D73A9-E69B-4A55-B03D-3CC873B300D6--