|
Sponsored Links (Register now to hide all advertisements) |
|
|
Thread Tools | Display Modes |
08-14-2022, 07:14 PM | #1 |
Senior Member
Join Date: Nov 2011
Location: Arkansas & Alaska
Posts: 643
|
Starts with hand crank only
Yesterday I drove my 1930 tudor 168 miles with out any problem whats so ever. Started every time I called on it and it never failed. OK today it started fine and I drove into town which is 16 miles and it died at a stop light and couldn't get it to start with the starter. So I check and my coil wire and every think was in place. So I get the hand crank out and it starts with a half turn. Something is pulling the juice off the coil when the starter is being used. What could it be? Could the coil be going bad or the condenser? It has one of those burn out free condenser in it. I used to have this problem with the old flat head v8s but can't Rember what I did to fix the problem.
|
08-14-2022, 07:20 PM | #2 |
Senior Member
Join Date: May 2010
Location: Largo Florida
Posts: 7,225
|
Re: Starts with hand crank only
It sounds as though there is too much drag on the starter. Many times though the engine will start when the foot is taken off the starter button.
Is the battery being charged ? Ammeter reading ? |
Sponsored Links (Register now to hide all advertisements) |
|
08-14-2022, 07:26 PM | #3 |
Senior Member
Join Date: Jun 2014
Location: Melbourne, Australia
Posts: 7,496
|
Re: Starts with hand crank only
When you try to start the motor on the starter, does it turn over slowly?
I suspect your battery has thrown in the towel. It can happen very suddenly. Even a "dead" battery can supply enough power to give a spark, hence you can start it on the crank handle but there is not enough depth to it to give a spark while it is cranking. If you are able, measure and post a couple of voltage figures. One with an open circuit, the other while you crank the starter. Another possibility is the cut out has failed and power is being lost through the generator.
__________________
I'm part of the only ever generation with an analogue childhood and a digital adulthood. |
08-14-2022, 08:18 PM | #4 |
Senior Member
Join Date: Nov 2011
Location: Arkansas & Alaska
Posts: 643
|
Re: Starts with hand crank only
The starter turns the engine over almost as fast as if it was a 12 volt. I have an alternator and it keeps the battery fully charged. Sometimes the starter whirls the engine fast enough that when I let off the starter peddle the engine starts.
|
08-14-2022, 09:36 PM | #5 | |
Senior Member
Join Date: May 2010
Location: So Cal
Posts: 8,741
|
Re: Starts with hand crank only
Quote:
There you go. Check the system voltage as you are cranking the engine with the starter. Probably either the starter is drawing to many amps or the battery is weak. |
|
08-14-2022, 09:48 PM | #6 |
Senior Member
Join Date: May 2010
Location: North Carolina
Posts: 418
|
Re: Starts with hand crank only
Sponsored Links (Register now to hide all advertisements)
W. Michael |
08-14-2022, 10:04 PM | #7 |
Senior Member
Join Date: Jun 2014
Location: Land of Lincoln
Posts: 3,127
|
Re: Starts with hand crank only
It’s a pain in the back but remove the battery and have it load checked at an automotive parts store ! My dad sold batteries and one Sunday family outing the station wagon wouldn’t start, one of dad’s customers stopped to give us a jump start after finding the electrolyte was low, dad was embarrassed when the customer said don’t you sell batteries.
__________________
Don't force it with a little hammer tap, tap, tap get a bigger hammer tap done |
08-15-2022, 04:09 AM | #8 |
Senior Member
Join Date: Jul 2010
Location: United Kingdom
Posts: 1,441
|
Re: Starts with hand crank only
Bob C #5 has got it .. I had the same problem as OP . turned out to be a duff starter drawing all the juice . ( I used to get round it by spinning the motor with the ignition key off then letting off the starter whilst simultaneously switching on the ignition switch.
|
08-15-2022, 05:56 AM | #9 |
Senior Member
Join Date: Jan 2012
Location: Western North Carolina
Posts: 3,899
|
Re: Starts with hand crank only
Installing a voltmeter in addition to the ammeter can provide you with the necessary information. It can tell you the battery voltage before you start the car, the battery voltage when the starter is cranking, and the battery voltage when it is charging. Hook it up to the one of the posts on the junction box so any resistance in the battery cables can also be detected.
__________________
A is for apple, green as the sky. Step on the gas, for tomorrow I die. Forget the brakes, they really don't work. The clutch always sticks, and starts with a jerk. My car grows red hair, and flies through the air. Driving's a blast, a blast from the past. |
08-15-2022, 07:04 AM | #10 |
Junior Member
Join Date: Aug 2018
Location: Rubicon, Wi
Posts: 19
|
Re: Starts with hand crank only
Gold,
On ours it turned out to be the points. Installed a nos set almost three years ago and have had no more start problems since. Dale |
08-15-2022, 07:18 AM | #11 |
Senior Member
Join Date: May 2010
Location: Long Island, NY
Posts: 3,464
|
Re: Starts with hand crank only
Specs for the OEM starter motor are:
Running free (0n the bench) 50 Amps @ 6V, 4000 RPM; Cranking engine 145 to 165 Amps @ 5.1V dependent on temperature & compression ratio; Lock torque 15 lbs-ft, 550 Amps, 3.2V.
__________________
Bob Bidonde |
08-15-2022, 07:26 AM | #12 |
BANNED
Join Date: Mar 2022
Location: Chenango Bridge NY
Posts: 433
|
Re: Starts with hand crank only
Run a ground strap from the transmission tower directly to battery ground. The ground path from the engine/trans back to the battery can be interrupted if you don’t have engine splash pans.
|
08-15-2022, 08:42 AM | #13 |
Senior Member
Join Date: May 2010
Location: Ellston, Iowa
Posts: 247
|
Re: Starts with hand crank only
I experienced very similar symptoms when trying to start my car. I finally replaced the condenser and the car started fine.
|
08-15-2022, 02:43 PM | #14 |
Senior Member
Join Date: Nov 2011
Location: Arkansas & Alaska
Posts: 643
|
Re: Starts with hand crank only
Just had the battery load tested and it tested real good at the battery store. By the way it is a Optima battery. The starter spins the engine over like it had a 12 volt hooked to it. Still not found the problem.
|
08-15-2022, 03:19 PM | #15 |
Senior Member
Join Date: Apr 2018
Location: Mebane NC
Posts: 2,350
|
Re: Starts with hand crank only
I've seen it happen, not with a starter, but with the horn and headlights. When the horn was going, the LED lights would drop out. The problem was in the wiring – there was degraded wiring somewhere between the starter and the generator. This caused the battery to deliver 6V to the lights when the horn wasn't running, but only 4V when it was. Changing out the wiring fixed the problem.
One troubleshooting tactic is to connect a test lead directly between the post on the starter switch and the red wire on the coil. This eliminates all wiring between the battery and the distributor except for the ignition switch. If it starts with the lead connected, the problem is somewhere in the wiring. |
08-15-2022, 05:12 PM | #16 |
Senior Member
Join Date: Apr 2021
Location: Central Illinois
Posts: 490
|
Re: Starts with hand crank only
X2, post #15, Colin. The Les Andrews blue book, 'troubleshooting and diagnostics' chapter 2 covers simple tests for these conditions.
__________________
"It ain't what you know for certain that gets ya in trouble. It's what ya know for certain that just ain't so!" |
08-15-2022, 07:35 PM | #17 |
Senior Member
Join Date: May 2010
Location: Hebron, CT
Posts: 432
|
Re: Starts with hand crank only
Synchro909 has a good point. Try starting the engine with the alternator disconnected. Charge up your battery with a battery charger and measure the voltage with a multimeter. You should have 5.5 - 6.5 volts. If your coil, points, condenser, and starter are all okay you should be able to start the engine. The engine will start with a minimum voltage of 1.5 volts. That why you were able to start it by cranking. If the engine starts shut it down and measure the battery voltage. If the voltage has radically dropped off your battery should be replaced. If it hasn't the alternator or cut out are the next components to be checked.
|
08-15-2022, 09:18 PM | #18 | |
Senior Member
Join Date: Apr 2013
Posts: 293
|
Re: Starts with hand crank only
Quote:
|
|
08-15-2022, 10:01 PM | #19 |
Senior Member
Join Date: May 2010
Location: Concord CA
Posts: 635
|
Re: Starts with hand crank only
X3 for #12 & #18.
|
08-16-2022, 08:01 AM | #20 |
BANNED
Join Date: Mar 2022
Location: Chenango Bridge NY
Posts: 433
|
Re: Starts with hand crank only
I Made a duplex cable for mine…the rubber and spring
motor mounts make a poor ground path, as well as the driveshaft trunnion ( clamshell at back of the transmission). |
|
|
Sponsored Links (Register now to hide all advertisements) |
|