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Reply to "PS2 Steam engine - takes off too fast at low speeds then goes flying over 20SMPH.... Need Help!"

DdotCdot posted:

 

stan2004 posted:

While you wait for a replacement tape, if you want to experiment a bit get some correction fluid like White Out and touch up the white stripes.  I realize the tape is a bit greasy but I figure it should adhere enough and only takes maybe a minute or two.  Then run the engine and I think you'll see a dramatic difference.  The tach circuit is looking for contrast (black and white) between stripes; your photo looks more like black and gray.

Brilliant. I did just that - white out over the white spots, black sharpy over the black spots and white-out boo-boos, and just like that - evidence confirmed. It was bad tape. She was running pretty darn close to normal with my quick-fix test and now I'm going to do it right, print the factory pattern and put real tach tape back on.

You guys are great, thank you so much for all of the help. Problem confirmed - Tach Tape stained by smoke oil

Problem fix = new tach tape

And to think I was going to ship this whole engine 3000 miles across the US for a $2 fix...that would have been about 100 times that $$$. Knowledge is so valuable, so thank you all for so generously sharing. The body is so clean, I would hate to think of it having been damaged or dinged in shipping.

danke schön!

danke schön!

Last edited by DdotCdot

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