[Healeys] fuel pump

[Bob Spidell]

re: "He said /"When the cars arrived in Norway in early June, several 
had//ignition switches left in the 'on' position and the battery master 
switch/
/also left on//"/ which would explain why the batteries were run down."

Dang. Missed that (still on my first cup of coffee). But, how do they 
shut their engines down if they leave the ignition on? That's one 
screw-up I've never managed in 55 years of driving (sometimes, it's hard 
to shut them down even with the ignition turned off). They would have 
had to leave their keys in the ignition; is that required for shipping?

re: "Also, if any of the cars had points ignitions and the contacts were 
closed would not that contribute to current drain, if not a burned set 
of points?"

The points should be able to handle the load, limited by coil impedance; 
it's when opening the points suffer erosion. The coil would likely be 
damaged, though, since without the engine running the primary coil 
circuit is almost a dead short(usually 1-3 ohms impedance).


On 7/30/2023 7:37 AM, Michael Oritt wrote:
> Bob--
>
> He said /"When the cars arrived in Norway in early June, several had/
> /ignition switches left in the 'on' position and the battery master 
> switch/
> /also left on//"/ which would explain why the batteries were run down.
>
> Also, if any of the cars had points ignitions and the contacts were 
> closed would not that contribute to current drain, if not a burned set 
> of points?
>
> On Sun, Jul 30, 2023 at 10:17 AM Bob Spidell <bspidell at comcast.net> wrote:
>
>     That's kinda odd; did they leave GPSs or some other electronics on?
>     Nothing on a stock Healey should be drawing current with the key off.
>     I've left the cutoff 'on' for months without draining a battery.
>
>     'Modern' cars are a different story; they'll run a battery down in
>     a few
>     weeks, with anti-theft, remote unlock, etc. drawing current
>     continuously. Also, I think battery quality has gone downhill overall
>     since most are now produced in Mexico.
>
>
>     On 7/29/2023 9:44 PM, alfuller194 at gmail.com wrote:
>     > Humm - low battery causing the pump to effectively 'stall' is
>     something to
>     > think about...
>     >
>     > On a related note, I have my fingers crossed for my own
>     battery!  The car is
>     > due to be shipped back from Norway any day now, returning from
>     the European
>     > Healey Meet. When the cars arrived in Norway in early June,
>     several had
>     > ignition switches left in the 'on' position and the battery
>     master switch
>     > also left on. The result was several of the cars needed new
>     batteries before
>     > going anywhere.  This was despite most everyone having printed
>     'starting and
>     > storing instructions' in the car calling for the battery master
>     switch to be
>     > used.  Like I said - fingers crossed...
>     >
>     > As to the Healey Meet - great roads! One of my favorites is
>     Trollstigen
>     > ['Troll's Ladder']. For a sample, see:
>     > https://www.lifeinnorway.net/trollstigen-norway/
>     >
>     > ----------------
>     > All the best,
>     >
>     > Al Fuller
>     >
>     > -----Original Message-----
>     > From: Healeys <healeys-bounces at autox.team.net> On Behalf Of Bob
>     Spidell
>     > Sent: Friday, July 28, 2023 7:00 PM
>     > To: healeys at autox.team.net
>     > Subject: Re: [Healeys] fuel pump
>     >
>     > Conceivably--note: 'conceivably'--less than 12V at the pump
>     would leave the
>     > electromagnet charged but unable to fully retract the diaphragm
>     and open the
>     > points (or electronic circuit) to stop current flow. You'd still
>     have
>     > current flowing through the electromagnet, which could overheat
>     and, well,
>     > fry.
>     >
>     >
>     > On 7/28/2023 2:37 PM, alfuller194 at gmail.com wrote:
>     >> Jim - I don't recall those messages, so maybe someone with more
>     >> knowledge than me can respond.
>     >>
>     >> That said, I don't see how a low or dead battery would damage a
>     fuel
>     >> pump. I would think the pump would see just the circuit as
>     unpowered
>     >> and not work, but not suffer for the experience...
>     >>
>     >> ----------------
>     >> All the best,
>     >>
>     >> Al Fuller
>     >>
>     >> -----Original Message-----
>     >> From: Healeys <healeys-bounces at autox.team.net> On Behalf Of
>     >> healeymanjim
>     >> Sent: Friday, July 28, 2023 10:47 AM
>     >> To: healeys at autox.team.net
>     >> Subject: [Healeys] fuel pump
>     >>
>     >> i have seen messages on the list where folks have stated that low
>     >> battery can cause problems with solid state fuel pump.  the
>     battery i
>     >> replaced was so weak it would not turn the motor over even with
>     plugs
>     >> removed.  any info on this anyplace on the internet?
>     >>
>     >
>     >
>
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