Forum Discussion
jlaustin
Feb 17, 2010Explorer
professor95 wrote:
Door lock actuators are actually motors rather than solenoids. Thus, they need both a positive and negative flip flop power source to work. I prefer solenoids.
Good sources are trunk lock release solenoids from junk cars and choke solenoids off of old outboard motors. I used a GM trunk lock solenoid (pull) with a strap hinge over the primer button to work the LPG primer. I think I posted a picture of it last year when I was working on all that stuff.
I saw that setup you built. I happen to have a couple of solenoids laying around, so it would be simple to build a circuit to trigger the door lock actuators in and out - I can use the door lock/unlock negative pulses to turn the primer on and off:

There's a parts yard nearby - if I can't find the actuator, maybe I'll find a choke solenoid!
Any estimate of the force necessary to depress the primer button?
Regards,
John
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