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Jet car circuit design help Requested

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go300mph

New Member
Hello I drag race jet powered dragsters .
I have basic knowledge of DC electronics, mainly automotive related and want to build a more complex circuit. I appreciate anyone who is wiling to help.

Ok I have a 12v electric solenoid = "A" circuit (open/close) I am using a bosch style 5pin relay (SPST) ((actually just am using DPST with one less lead connected))

I have another separate electric solenoid "B" circuit (right or left) I am using a bosch style 5 pin relay (DPST)


Operation 1 requires I be able to operate A circuit multiple times while B circuit is in left position
Operation 2 requires that the very next time I operate the A circuit the B circuit be switched to right simulaintiously.

I am thinking an ARM toggle switch on the dashboard that once switched then the function of A circuit now becomes A and B
monkey wrench
after I ARM then I need to be able to trigger B and if need to trigger A again it then has no effect on B , B need to then stay in the right position


HELP?!!?
 

crutschow

Well-Known Member
Most Helpful Member
Sorry but I can't quite follow all the requirements. :confused:

Could you make a sort of table that shows all the options (switch positions) and what you want to happen in each case.
 

cowboybob

Well-Known Member
Most Helpful Member
This will require 3 switches: MASTER, ARM and RUN:
System OFF:
upload_2017-8-30_19-23-53.png
MASTER ON:
upload_2017-8-30_19-26-27.png
ARM ON:
upload_2017-8-30_19-27-14.png
RUN ON:
upload_2017-8-30_19-28-16.png
ARM OFF:
upload_2017-8-30_19-29-33.png
 

go300mph

New Member
thanks guys let me absorb this for a bit ,
I took her out last night but the launch process is complicated and this should help
 
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