[Rhodes22-list] Bonnie Fuel Pump Problems

Wed Nov 8 14:29:31 EST 2006

Cool!!  JATO bottles on the "Doctor Killer".  Brad, what kink of Rate of
Climb do you think you can get with this new mod?

Hank

On 11/8/06, Bill Effros <bill at effros.com> wrote:
>
> USAF had a similar problem with the B-47.  Do what they did:
>
> Strap on JATO bottles for take off, fly at 90% power.
>
> Deploy an "approach chute" for landings.
>
> Bill Effros
>
> Michael D. Weisner wrote:
> > Hank and Brad,
> >
> > The situation the you refer to is found in a carb (normally aspirated)
> > equipped engine fuel bowl fill problem.  Either the float level is set
> too
> > low or the bad pump doesn't have enough pressure to open the inlet
> valve.  A
> > 12 pound output (if the gauge is correct) should be plenty of pressure
> to do
> > the job.
> >
> > I still think that the problem is related to the line going to the
> pump.  If
> > the line is kinked, the pump may have difficulty drawing enough fuel
> through
> > the high resistance of the line when at low RPM (reduced output).  This
> is
> > akin to trying to breath through a narrow hose compared to a large bore
> hose
> > when under water.  It is much harder to suck through the narrow
> tubing.  The
> > electric pump, which I presume is located near the tank, pushes the fuel
> > through the line at full (30 PSI?) pressure, regardless of engine speed.
> >
> > Is the problem related to both (or several) tanks?  If it is, the
> problem
> > may be in the tank selector.
> >
> > Mike
> >
> >
> > From: "Hank" <hnw555 at gmail.com>
> > Sent: Wednesday, November 08, 2006 12:31 PM
> >
> >
> >
> >> Brad,
> >>
> >> A slow drip, say 1 drop every 5-10 seconds, is normal even when the
> boat
> >>
> > is
> >
> >> not running.  The only way to eliminate drips completely is to install
> a
> >> dripless shaft seal.
> >>
> >> IRT, your toy, it makes me think of the old joke, Doctor it hurts when
> I
> >> cough.  So don't Cough!  So don't bring the idle down below 1000!  Easy
> >>
> > fix,
> >
> >> next problem?
> >>
> >> Seriously, I used to have a similar problem on a Chevy Truck, except in
> >> reverse.  At idle and slow speeds the engine ran fine, but at highway
> >>
> > speeds
> >
> >> the engine would sputter.  The pump was in failing mode and supplied a
> >> reduced amount of fuel, which was fine at lower speeds, but not
> sufficient
> >> at highway speeds.
> >>
> >> Here is an idea.  In a regular carburetor, the pump sends fuel up to a
> >> supply chamber in teh carburetor that is there to react to immediate
> >>
> > changes
> >
> >> in throttle settings.  It sounds like your pump quits working below
> 1000
> >>
> > rpm
> >
> >> and the engine dies once the feed chamber has been emptied.
> >>
> >> Hank
> >>
> >> On 11/8/06, Brad Haslett <flybrad at gmail.com> wrote:
> >>
> >>> Hank & Rummy,
> >>>
> >>> The issue is that the dripping continues when the engine is shut off.
> >>>
> > In
> >
> >>> fact, it was dripping when I arrived at the boat after not having been
> >>>
> > run
> >
> >>> for a week.  It has always dripped some while running, as it is
> supposed
> >>> to,
> >>> but never that much.  What causes it to drip stationary?
> >>>
> >>> While you're solving that problem, I just got back from the airport to
> >>>
> > fly
> >
> >>> my airplane.  The new engine driven pump works fine at full power all
> >>>
> > the
> >
> >>> way down to idle at 1000 rpm.  However, comma, when you pull the idle
> >>>
> > back
> >
> >>> to 700, where it is correctly set, the fuel pressure off the engine
> pump
> >>> stabilizes at 12 pounds, which is fine, then after 30 seconds suddenly
> >>> goes
> >>> to zero and the engine quits.  If you can flip on the electric pump
> fast
> >>> enough it comes back to life.  The mystery continues.
> >>>
> >>> Don't you just love toys!
> >>>
> >>> Brad
> >>>
> >>>
> >>> On 11/8/06, Hank < hnw555 at gmail.com> wrote:
> >>>
> >>>> Brad,
> >>>>
> >>>> All standard stuffing boxes should drip some.  It is required to keep
> >>>>
> > it
> >
> >>>> lubricated and cooled.  My Islander 36 always had some water in the
> >>>>
> >>> bilge
> >>>
> >>>> and that is normal for a lot of boats.  I didn't worry about it
> >>>>
> > freezing
> >
> >>>> as
> >>>> it was not "enclosed" such as inside a pipe or engine block and
> >>>>
> > couldn't
> >
> >>>> rupture anything.
> >>>>
> >>>> That being said, if you find that you do have stuffing box issues, I
> >>>> highly
> >>>> recommend changing to a dripless system.  After, I switched mine, I
> >>>>
> >>> never
> >>>
> >>>> had any water coming in from there.  Check out
> >>>> http://www.shaftseal.com/index.html
> >>>>
> >>>> Hank
> >>>>
> >>>> On 11/8/06, Brad Haslett <flybrad at gmail.com> wrote:
> >>>>
> >>>>> Hank,
> >>>>>
> >>>>> Good question.  I'm thinking the water is getting by the stuffing
> >>>>>
> > box
> >
> >>>> and
> >>>>
> >>>>> finding the next weakest link.  The sequence is transmission - brass
> >>>>> coupling - rubber enclosed shaft? - and I think the stuffing box.
> >>>>>
> > To
> >
> >>> be
> >>>
> >>>>> honest, I didn't have time to troubleshoot the problem.  The steady
> >>>>>
> >>> drip
> >>>
> >>>>> is
> >>>>> coming from the brass coupling just downstream from the tranny.  It
> >>>>>
> >>> has
> >>>
> >>>>> two
> >>>>> fittings that tighten against each other but I didn't have the tools
> >>>>>
> >>> to
> >>>
> >>>>> try
> >>>>> it. The water accumulates to the top of the bilge and then vents
> >>>>> overboard.
> >>>>> I'll need to fix or haul before the first good freeze.  I keep a
> >>>>>
> >>> heater
> >>>
> >>>> on
> >>>>
> >>>>> at 40 degrees when I'm gone during the winter but yesterday the
> >>>>> electricity
> >>>>> at the docks was off.
> >>>>>
> >>>>> Any more ideas?
> >>>>>
> >>>>> Brad
> >>>>>
> >>>>>
> >>>>> On 11/8/06, Hank <hnw555 at gmail.com> wrote:
> >>>>>
> >>>>>> Brad,
> >>>>>>
> >>>>>> How could the drive shaft be dripping where it connects to the
> >>>>>> transmission?  Where is the water coming in from?  I started to
> >>>>>>
> >>> think
> >>>
> >>>>> the
> >>>>>
> >>>>>> stuffing box, but it should be lower than the tranmission
> >>>>>>
> > coupling,
> >
> >>> so
> >>>
> >>>>>> that
> >>>>>> shouldn't be a possibility.  Is the water coming in from above the
> >>>>>>
> >>>>> engine
> >>>>>
> >>>>>> and then just collecting and dripping off of the shaft?
> >>>>>>
> >>>>>> Just some ideas.
> >>>>>>
> >>>>>> Hank
> >>>>>>
> >>>>>> On 11/8/06, Brad Haslett < flybrad at gmail.com> wrote:
> >>>>>>
> >>>>>>> Finally,  some good news to brighten-up a difficult yesterday.
> >>>>>>>
> > We
> >
> >>>>>> closed
> >>>>>>
> >>>>>>> on
> >>>>>>> the sale of our shop building near the lake and sold our tractor
> >>>>>>>
> >>> we
> >>>
> >>>>> used
> >>>>>
> >>>>>>> to
> >>>>>>> bushog the place as well. The buyer for the tractor kept me
> >>>>>>>
> >>> waiting
> >>>
> >>>>> over
> >>>>>
> >>>>>>> four hours and then did some last minute haggling over a
> >>>>>>>
> >>> previously
> >>>
> >>>>>> agreed
> >>>>>>
> >>>>>>> upon price.  Forunately for him I came unarmed. The bad news is
> >>>>>>>
> >>> that
> >>>
> >>>>> my
> >>>>>
> >>>>>>> boat
> >>>>>>> had water in the bilge for the first time ever.  The drive shaft
> >>>>>>>
> >>> is
> >>>
> >>>>>>> steadily
> >>>>>>> dripping where it connects to the transmission.  This may be a
> >>>>>>>
> >>>> result
> >>>>
> >>>>> of
> >>>>>
> >>>>>>> the
> >>>>>>> grounding last year.  Anyway, the repair will probably require
> >>>>>>>
> > it
> >
> >>> to
> >>>
> >>>>> be
> >>>>>
> >>>>>>> hauled, which  is a good idea anyway to inspect for damage.
> >>>>>>>
> > I've
> >
> >>>> been
> >>>>
> >>>>>>> operating on the theory of "what you don't know can't hurt you"
> >>>>>>>
> >>> but
> >>>
> >>>>> that
> >>>>>
> >>>>>>> game has been played long enough.
> >>>>>>>
> >>>>>>> The DC-10 is going away in the next couple of years and I have
> >>>>>>>
> > to
> >
> >>>> make
> >>>>
> >>>>>> the
> >>>>>>
> >>>>>>> leap into the digital age one way or the other.  I have been
> >>>>>>>
> >>>>> predicting
> >>>>>
> >>>>>>> this
> >>>>>>> event all along and damned if I wasn't right.  Here is something
> >>>>>>>
> >>> to
> >>>
> >>>>> look
> >>>>>
> >>>>>>> forward to.
> >>>>>>>
> >>>>>>> Brad
> >>>>>>>
> >>>>>>> --------------------------
> >>>>>>>
> >>>>>>> *Company Cancels A380 Order *
> >>>>>>>
> >>>>>>> MEMPHIS, Tenn.--(BUSINESS WIRE)--FedEx Express, a unit of FedEx
> >>>>>>>
> >>>> Corp.
> >>>>
> >>>>>>> (NYSE:
> >>>>>>> FDX), announced today an agreement with The Boeing Company
> >>>>>>>
> > (NYSE:
> >
> >>>> BA)
> >>>>
> >>>>> to
> >>>>>
> >>>>>>> acquire 15 new Boeing 777 Freighter aircraft with options to
> >>>>>>>
> >>>> purchase
> >>>>
> >>>>> an
> >>>>>
> >>>>>>> additional 15 aircraft. The decision to purchase the 777F was
> >>>>>>>
> > made
> >
> >>>>> after
> >>>>>
> >>>>>>> Airbus announced significant delays in delivery of the A380.
> >>>>>>>
> > FedEx
> >
> >>>>>> Express
> >>>>>>
> >>>>>>> notified Airbus that it has cancelled its order for 10
> >>>>>>>
> > A380-800Fs.
> >
> >>>>>>> "Global demand for air cargo and express services continues to
> >>>>>>>
> >>> grow
> >>>
> >>>>>>> rapidly
> >>>>>>> and FedEx has made significant investments in our network to
> >>>>>>>
> > meet
> >
> >>>>>>> customers'needs and fulfill our business objectives. Therefore,
> >>>>>>>
> > it
> >
> >>>> was
> >>>>
> >>>>>>> necessary and
> >>>>>>> prudent for us to acquire the Boeing 777 Freighter." said
> >>>>>>>
> >>> Frederick
> >>>
> >>>> W.
> >>>>
> >>>>>>> Smith, chairman, president and chief executive officer, FedEx
> >>>>>>>
> >>> Corp.
> >>>
> >>>>> "The
> >>>>>
> >>>>>>> availability and delivery timing of this aircraft, coupled with
> >>>>>>>
> >>> its
> >>>
> >>>>>>> attractive payload range and economics, make this choice the
> >>>>>>>
> > best
> >
> >>>>>> decision
> >>>>>>
> >>>>>>> for FedEx, its customers, shareowners and employees."
> >>>>>>>
> >>>>>>> FedEx Express continues to be Airbus' largest wide-body airplane
> >>>>>>>
> >>>>>> customer
> >>>>>>
> >>>>>>> and will add additional new and used Airbus wide-body aircraft
> >>>>>>>
> > to
> >
> >>>> its
> >>>>
> >>>>>>> fleet
> >>>>>>> in coming years. Six new A300-600 aircraft are scheduled to join
> >>>>>>>
> >>> the
> >>>
> >>>>>> FedEx
> >>>>>>
> >>>>>>> fleet in 2007.
> >>>>>>>
> >>>>>>> *Boeing 777*
> >>>>>>>
> >>>>>>> The Boeing 777 Freighter is the world's largest twin-engine
> >>>>>>>
> > cargo
> >
> >>>>>> aircraft
> >>>>>>
> >>>>>>> with a range of more than 6,100 nautical miles and a revenue
> >>>>>>>
> >>> payload
> >>>
> >>>>>>> capacity of 171,000 pounds. This represents a 2,200 nautical
> >>>>>>>
> > mile
> >
> >>>>>> increase
> >>>>>>
> >>>>>>> in range and an additional 8,500 pounds of revenue payload over
> >>>>>>>
> >>> the
> >>>
> >>>>>>> MD-11F,
> >>>>>>> which is FedEx's primary long-haul aircraft. These advantages
> >>>>>>>
> > will
> >
> >>>>>> result
> >>>>>>
> >>>>>>> in
> >>>>>>> more non-stop, point-to-point transoceanic routes with shorter
> >>>>>>>
> >>>> flight
> >>>>
> >>>>>>> times,
> >>>>>>> enabling improved service offerings to FedEx customers. FedEx
> >>>>>>>
> >>>> Express
> >>>>
> >>>>> is
> >>>>>
> >>>>>>> expected to take delivery of four of the 777 aircraft in
> >>>>>>>
> > calendar
> >
> >>>> year
> >>>>
> >>>>>>> 2009,
> >>>>>>> eight in 2010 and the remaining three in 2011.
> >>>>>>>
> >>>>>>> "The Boeing 777F will allow FedEx Express to fly directly
> >>>>>>>
> > between
> >
> >>>>> major
> >>>>>
> >>>>>>> markets and hubs in Asia, Europe and the U.S. with more freight
> >>>>>>>
> >>> and
> >>>
> >>>> in
> >>>>
> >>>>>>> less
> >>>>>>> time than it takes today, improving fuel efficiency and lowering
> >>>>>>>
> >>>> total
> >>>>
> >>>>>>> operating costs," said David J. Bronczek, president and chief
> >>>>>>>
> >>>>> executive
> >>>>>
> >>>>>>> officer, FedEx Express.
> >>>>>>> __________________________________________________
> >>>>>>> Use Rhodes22-list at rhodes22.org , Help? www.rhodes22.org/list
> >>>>>>>
> >>>>>>>
> >>>>>> __________________________________________________
> >>>>>> Use Rhodes22-list at rhodes22.org, Help? www.rhodes22.org/list
> >>>>>>
> >>>>>>
> >>>>> __________________________________________________
> >>>>> Use Rhodes22-list at rhodes22.org, Help? www.rhodes22.org/list
> >>>>>
> >>>>>
> >>>> __________________________________________________
> >>>> Use Rhodes22-list at rhodes22.org, Help? www.rhodes22.org/list
> >>>>
> >>>>
> >>> __________________________________________________
> >>> Use Rhodes22-list at rhodes22.org , Help? www.rhodes22.org/list
> >>>
> >>>
> >> __________________________________________________
> >> Use Rhodes22-list at rhodes22.org, Help? www.rhodes22.org/list
> >>
> >
> > __________________________________________________
> > Use Rhodes22-list at rhodes22.org, Help? www.rhodes22.org/list
> >
> >
> __________________________________________________
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>