REFLECTOR: Franklin Magneto/inspection/priming questions
Carl Hoffman
hoffman3 at erols.com
Tue Aug 4 17:13:17 CDT 2009
I prime all 6 cylinders of my Franklin with AN4023-1 Discharge Elbows, Page 113 of the latest AS catalog. 2D flare fittings and silver solder is required.
A Parker electric solenoid engine primer valve, AS P/N 05-04368, page 168 is used.
Carl Hoffman
---- Original message ----
>Date: Tue, 04 Aug 2009 13:50:40 -0500
>From: John Dibble <aminetech at bluefrog.com>
>Subject: Re: REFLECTOR: Franklin Magneto/inspection/priming questions
>To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
>
> Where can I get 2 of them?
>
> Michael Watson wrote:
>
> John,
>
> The PZL nozzles injects a fine misty fuel spray into the manifold, not enough
> to cause fuel run back to the carb. I'm in Florida now so I only need two to
> three
> seconds to get engine start on the first or second rotation. When I lived In New
> York, during the winter, 3 to 4 seconds would do the job.
>
> On Tue, Aug 4, 2009 at 8:50 AM, John Dibble <aminetech at bluefrog.com> wrote:
>
> Sorry, Larry, I'm not ignoring your advice and will check if I have the spray
> nozzle
> and if not, look into installing one. This will take time and given that I
> have 700
> hours without incident and know how to avoid fuel flowing out the induction, I
> have
> other higher priorities to address first. That said, it seems like priming
> while the
> engine is already turning would be an even safer, if not failsafe, procedure
> that I can
> use immediately. Since this procedure is not normal, I wanted to solicit
> comments from
> the wealth of knowledge on the reflector.
> I prefer to think of my self as difficult, but not impossible, to help. I am
> curious
> to know what you see on the ground below your air intake after priming for 5
> seconds
> without turning the engine.
>
> John
>
>
>
> Laurence Coen wrote:
>
> > John,
> >
> > I tried to help you, Mike Watson tried to help you but now I think you are
> > beyond help.
> >
> > Larry
> >
> > --------------------------------------------------
> > From: "John Dibble" <aminetech at bluefrog.com>
> > Sent: Monday, August 03, 2009 7:40 PM
> > To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
> > Subject: Re: REFLECTOR: Franklin Magneto/inspection/priming questions
> >
> > > I think I might try using the primer while the engine is cranking, unless
> > > there is a
> > > reason not to.
> > >
> > > John
> > >
> > > Laurence Coen wrote:
> > >
> > >> John,
> > >>
> > >> I've never had a no-start. Your description of raw gas flowing out the
> > >> induction would indicate to me that your primer has no nozzle and dumps a
> > >> solid stream of fuel into the manifold. There are two things wrong with
> > >> that, if that is the case. First you will dump a lot of fuel in a very
> > >> short time making it difficult to do it right. Second, liquid fuel
> > >> doesn't
> > >> burn but vapors do. A nozzle both meters the fuel and atomizes it which
> > >> improves vaporization. If you have a 1/8" pipe fitting into the manifold
> > >> with no nozzle then that is your problem, not location.
> > >>
> > >> Raw fuel running out of the induction system has been the cause of quite
> > >> a
> > >> number of engine fires on start-up.
> > >>
> > >> Larry Coen
> > >> N136LC
> > >>
> > >> --------------------------------------------------
> > >> From: "John Dibble" <aminetech at bluefrog.com>
> > >> Sent: Sunday, August 02, 2009 10:55 AM
> > >> To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
> > >> Subject: Re: REFLECTOR: Franklin Magneto/inspection/priming questions
> > >>
> > >> > Larry,
> > >> > I have a similar prime setup. Have you ever primed and not started?
> > >> > Mine
> > >> > is connected
> > >> > to the front primer port and the fuel will pour out the carb if I do
> > >> > not
> > >> > start
> > >> > imediately. I'm considering moving it to the middle or rear port, but
> > >> > want to know if
> > >> > it will do any good.
> > >> >
> > >> > John
> > >> >
> > >> > Laurence Coen wrote:
> > >> >
> > >> >> Jeff,
> > >> >>
> > >> >> I too have a Goodman engine that sat for about five years. It sounds
> > >> >> like
> > >> >> you took good care of it while it was in storage so I don't think you
> > >> >> need
> > >> >> to do much but put in fresh oil and fire it up. That is what I did
> > >> >> and
> > >> >> three years later it is running fine with compressions running 79/80.
> > >> >>
> > >> >> Priming is something you will need. Priming by pumping the throttle
> > >> >> with
> > >> >> an
> > >> >> updraft carb is an engine fire waiting to happen. There are primer
> > >> >> manifolds that mount on the bottom of the intake manifolds but they're
> > >> >> pricey. I built my own primer system that works very well. I
> > >> >> pressurize
> > >> >> the fuel system with the electric pump and have a solenoid valve that
> > >> >> is
> > >> >> operated with push button on the panel. I inject fuel into the center
> > >> >> primer ports on both sides of the engine. I made my own injectors
> > >> >> from
> > >> >> 1/8"
> > >> >> flare to 1/8" pipe elbows. The injector nozzle is a brass screw
> > >> >> threaded
> > >> >> into the elbow and center drilled with a #60 drill. Two to five
> > >> >> seconds
> > >> >> prime, depending on temp, does the job.
> > >> >>
> > >> >> Larry Coen
> > >> >> N136LC
> > >> >> SE/RG Franklin/IVO
> > >> >>
> > >> >> --------------------------------------------------
> > >> >> From: "Jeff Clough" <jclough48 at comcast.net>
> > >> >> Sent: Thursday, July 30, 2009 8:23 AM
> > >> >> To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
> > >> >> Subject: REFLECTOR: Franklin Magneto/inspection/priming questions
> > >> >>
> > >> >> > FINALLY getting around to hooking up my Franklin engine to hopefully
> > >> >> > test fire it soon......a few questions:
> > >> >> > 1: I have Rose dual ignition....am planning on using 1/2 of this
> > >> >> > set
> > >> >> > up for one set of spark plugs and a magneto for the other set of
> > >> >> > plugs....what magneto are others using and where can I
> > >> >> > get
> > >> >> > one????
> > >> >> > 2: How did others route/support their ignition wires through/under
> > >> >> > the
> > >> >> > Franklin plenum....got any pictures you can send to me off Reflector
> > >> >> > ??
> > >> >> > 3: I purchased my engine new from Pat Goodman back in about 1997 (I
> > >> >> > think).....He had test run it, but it has not been run since then.
> > >> >> > I
> > >> >> > removed the plugs and put oil in the cylinders several
> > >> >> > time
> > >> >> > over the ensuing years , the engine has been in a hangar here in DRY
> > >> >> > Colorado or in my heated garage in Alaska in the subsequent
> > >> >> > years....should it be inspected or have gaskets replaced etc???? I
> > >> >> > think there are some Franklin pros in Ft Collins CO (about 1 hour
> > >> >> > away)...should I pull the engine off (again) and take it to
> > >> >> > them
> > >> >> > for inspection/servicing or should I run it for a while on my
> > >> >> > airframe
> > >> >> > (break it in on my airframe while on the
> > >> >> > ground
> > >> >> > and then (perhaps?) have it inspected/serviced ??
> > >> >> > 4: I currently DO NOT have a priming system......is it necessary
> > >> >> > to
> > >> >> > have one or will the engine start w/out it just by cranking a bit
> > >> >> > longer??? If I need a priming system , is there a
> > >> >> > packaged
> > >> >> > system available??
> > >> >> >
> > >> >> > Thanx for all your input(s) Jeff C Brighton CO 173RG
> > >> >> > Clamshell IVO Franklin
> > >> >> > _______________________________________________
> > >> >> > To change your email address, visit
> > >> >> > http://www.tvbf.org/mailman/listinfo/reflector
> > >> >> >
> > >> >> > Visit the gallery! www.tvbf.org/gallery
> > >> >> > user:pw = tvbf:jamaicangoose
> > >> >> > Check new archives: www.tvbf.org/pipermail
> > >> >> > Check old archives:
> > >> >> > http://www.tvbf.org/archives/velocity/maillist.html
> > >> >> >
> > >> >> _______________________________________________
> > >> >> To change your email address, visit
> > >> >> http://www.tvbf.org/mailman/listinfo/reflector
> > >> >>
> > >> >> Visit the gallery! www.tvbf.org/gallery
> > >> >> user:pw = tvbf:jamaicangoose
> > >> >> Check new archives: www.tvbf.org/pipermail
> > >> >> Check old archives:
> > >> >> http://www.tvbf.org/archives/velocity/maillist.html
> > >> >>
> > >>
> > >> >>
> ------------------------------------------------------------------------
> > >> >>
> > >> >> Internal Virus Database is out of date.
> > >> >> Checked by AVG - http://www.avg.com
> > >> >> Version: 8.0.175 / Virus Database: 270.12.45/2141 - Release Date:
> > >> >> 5/29/2009 6:28 AM
> > >> >
> > >> > _______________________________________________
> > >> > To change your email address, visit
> > >> > http://www.tvbf.org/mailman/listinfo/reflector
> > >> >
> > >> > Visit the gallery! www.tvbf.org/gallery
> > >> > user:pw = tvbf:jamaicangoose
> > >> > Check new archives: www.tvbf.org/pipermail
> > >> > Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
> > >> >
> > >> _______________________________________________
> > >> To change your email address, visit
> > >> http://www.tvbf.org/mailman/listinfo/reflector
> > >>
> > >> Visit the gallery! www.tvbf.org/gallery
> > >> user:pw = tvbf:jamaicangoose
> > >> Check new archives: www.tvbf.org/pipermail
> > >> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
> > >>
> > >> ------------------------------------------------------------------------
> > >>
> > >> Internal Virus Database is out of date.
> > >> Checked by AVG - http://www.avg.com
> > >> Version: 8.0.175 / Virus Database: 270.12.45/2141 - Release Date:
> > >> 5/29/2009 6:28 AM
> > >
> > > _______________________________________________
> > > To change your email address, visit
> > > http://www.tvbf.org/mailman/listinfo/reflector
> > >
> > > Visit the gallery! www.tvbf.org/gallery
> > > user:pw = tvbf:jamaicangoose
> > > Check new archives: www.tvbf.org/pipermail
> > > Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
> > >
> > _______________________________________________
> > To change your email address, visit
> http://www.tvbf.org/mailman/listinfo/reflector
> >
> > Visit the gallery! www.tvbf.org/gallery
> > user:pw = tvbf:jamaicangoose
> > Check new archives: www.tvbf.org/pipermail
> > Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
> >
> > ------------------------------------------------------------------------
> >
> > Internal Virus Database is out of date.
> > Checked by AVG - http://www.avg.com
> > Version: 8.0.175 / Virus Database: 270.12.45/2141 - Release Date: 5/29/2009
> 6:28 AM
>
> _______________________________________________
> To change your email address, visit
> http://www.tvbf.org/mailman/listinfo/reflector
>
> Visit the gallery! www.tvbf.org/gallery
> user:pw = tvbf:jamaicangoose
> Check new archives: www.tvbf.org/pipermail
> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>
>
>
> --
> Mike W.
> 1997 Velocity Elite RG
> Franklin /IVO Electric CS
> Dual GRT EFIS HX Synthetic Vision
>
> --------------------------------------------------------------------------
>
> _______________________________________________
> To change your email address, visit http://www.tvbf.org/mailman/listinfo/reflector
>
> Visit the gallery! www.tvbf.org/gallery
> user:pw = tvbf:jamaicangoose
> Check new archives: www.tvbf.org/pipermail
> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>
> --------------------------------------------------------------------------
>
> Internal Virus Database is out of date.
> Checked by AVG - http://www.avg.com
> Version: 8.0.175 / Virus Database: 270.12.45/2141 - Release Date: 5/29/2009 6:28 AM
>________________
>_______________________________________________
>To change your email address, visit http://www.tvbf.org/mailman/listinfo/reflector
>
>Visit the gallery! www.tvbf.org/gallery
>user:pw = tvbf:jamaicangoose
>Check new archives: www.tvbf.org/pipermail
>Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
More information about the Reflector
mailing list