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@Bill Swatos posted:

Patrick, @trumpettrain I can't see IMG_9353 in your original post. Can you repost?

IMG_9353

Bill hete is image 9353 as you requested.    I didn't realize it wasn't showing in my lead post for today. Thanks for letting me know!    It shows on my screen just fine but out of experience I realize it doesn't show on other folks screen.  

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  • IMG_9353

Thanks to everyone who contributed pics, videos and info to this edition of Switcher Saturday.  We had so much great content both Halloween and non Halloween!!   I had a early Sunday morning gig this morning, Upon returning home around noon, grabbing some lunch,  I immediately began working on my layout today  and stopping at 11pm so I could walk my dog Barney for a couple miles.  I'm now pretty tired so no time to acknowledge everyone's posts individually, however just know that every post is deeply appreciated!!    We have a great community here at Switcher Saturday because of all of you!!! Have a terrific week everyone and please keep posting throughout the week if you so desire!   Here' s a fresh video of nothing but fast running switchers ( I usually try to run at prototypical speeds ) which I took tonight just before quitting time.  

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IMG_5177
Last edited by trumpettrain
@RSJB18 posted:

Well....I'm tapping out.

Need GRJ or one of the other TMCC guru's to chime in here.

Bob

Well, Bob, I took my Sperry speeder apart (again) and figured out the cab light. It turns out that the small circuit board cemented in the roof of the speeder cab has two circuits, one for the roof beacon and one for the interior cab light. The cab light circuit uses a chip led (with a clear plastic diffuser that makes it look like an incandescent) that takes "hot" A/C directly from the collectors and ultimately returns it to the same ground as the beacon, front and rear lights. I'm guessing there's a diode and resistor on the side of the circuit board I can't see.

For the rail bonder, then, I'm going to use the circuitry from an Evan Designs universal kit, solder its output leads to the wires feeding the nicely-mounted rail bonder cab "bulb" LED with correct polarity and power it directly from the track. I'll coat the LED with white acrylic to keep the crew from getting a suntan

Last edited by Bill Swatos

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