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Discussion Starter · #1 ·
I am so close to finishing my first pneumatic prop!

I started by making a 4 banger prop controller. All sequences load, the relays click, sound works, awesome!
I ordered my monster in a box "guts" and have them installed in my crate.

The problem is when the sequence hits the solenoid it stops. I put a diode in line, reading this might help but it didn't.

Suggestions, comments, help please.

THANKS!
 

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The snubber diode doesn't go "in line". It needs to be soldered across the solenoid connections. Use a 4000 series diode, the band on the diode goes toward the positive solenoid connection.
 

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Discussion Starter · #3 ·
The snubber diode doesn't go "in line". It needs to be soldered across the solenoid connections. Use a 4000 series diode, the band on the diode goes toward the positive solenoid connection.
I was hoping I was missing something simple. I temporarily wired it up and it worked perfectly.
I was so frustrated, lol.

THANKS!
 
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