| Author |
Message |
Lord Loh.
Joined: 19 Jun 2004
Posts: 198
Location: Texas
|
 05 Feb 2005 14:55 µP controlled ignition |
|
|
|
I just wondered if µP controlled ignition cars could be started without a battrey....by pushiung it down the road...
If ignition is timed by µP will it work ?
I know this is an electronics form....but still woindered if some one could say something...
|
|
| Back to top |
|
 |
IanP
Joined: 05 Oct 2004
Posts: 6346
Helped: 1505
Location: West Coast
|
| 05 Feb 2005 15:05 Re: µP controlled ignition |
|
|
|
Sparks need some energy. Microcontroller controlled ignition device requires some volts to operate. Without a battery you will not be able to do anything ..
If, however, there is a battery which is not completely dead, you may be able to start the engine by pushing the car (manual, not automatic transmission) down the road..
|
|
| Back to top |
|
|
XNOX_Rambo
Joined: 13 Jul 2002
Posts: 430
Helped: 86
Location: Far out, man!
|
| 05 Feb 2005 15:14 Re: µP controlled ignition |
|
|
|
Traditionally, if you push the car down the road in first gear, the generator
will provide the electricity for the ignition, as it does during normal operation.
/Rambo
|
|
| Back to top |
|
|
cesare
Joined: 21 Feb 2002
Posts: 177
Helped: 7
|
| 05 Feb 2005 16:02 Re: µP controlled ignition |
|
|
|
If the battery is not completely dead probably the energy will be sufficient to supply the ignition electronics.
However modern car have complex electronics on board that controls also catalyzer.
So probably starting the engine by pushing the car will damage the catalyzer
|
|
| Back to top |
|
|
cancel
Joined: 27 May 2001
Posts: 283
Helped: 11
|
| 05 Feb 2005 17:24 µP controlled ignition |
|
|
|
for a good diy ignition control and much more see:
http://caffrey.dk/megasquirt/
regards
cancel
|
|
| Back to top |
|
|
