Mehano Bombardier Blue Tiger model 55540 T 509 MKB

Re: Mehano Bombardier Blue Tiger model 55540 T 509 MKB

Postby ConducTTor » Thu Jul 08, 2010 11:33 pm

Wheel diameter is 8.8mm, wheels base is 15.5mm + 15.5mm.
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Re: Mehano Bombardier Blue Tiger model 55540 T 509 MKB

Postby scaro » Fri Jul 09, 2010 10:51 am

thanks ConducTTor.
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Re: Mehano Bombardier Blue Tiger model 55540 T 509 MKB

Postby ConducTTor » Sat Jul 24, 2010 1:23 am

The sound / decoder install is FINALLY done. I don't know if it's worth the money ($100+ over standard decoder) but it's definitely cool.

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Re: Mehano Bombardier Blue Tiger model 55540 T 509 MKB

Postby CSD » Sat Jul 24, 2010 1:31 am

Hey, man, glad you got that thing working. That is totally cool! I have to say that I tend to favor my sound equipped T679 over my other units and it is a definite crowd pleaser.
Mark
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Re: Mehano Bombardier Blue Tiger model 55540 T 509 MKB

Postby dileTTante » Tue Apr 02, 2019 2:58 pm

Recently I bought one of these through ebay, as shown in the attached product photo. I thought it was the original model and that this was a rare chance to get one. But then I saw that the Blue Tiger is offered by other sellers and it now has an 18 pin decoder socket, so it must be from a newer production.

My model didn't work when it arrived. The second photo shows the rectifier plug in the socket on the underside of the circuit board near the front of the locomotive. It also shows that the front of the circuit board is not attached to the locomotive, only the rear end is.

The DC chip had fallen out of the socket, probably from the circuit board shaking at that end. The circuit board was not secured there because the hole for the screw is slightly mis-aligned, maybe a millimeter too far forward. I filed the hole in the board and found a screw to fit. Even with the circuit board fastened, the heavy decoder could still fall out, so I applied some adhesive to keep the decoder in place. Also, the decoder rubbed the flywheel. I glued a spacer to the underside of the board to keep it from sagging. The spacer isn't at the end, which would raise the board altogether; it's between the board and the bearing block at the end of the flywheel, which just counteracts the sag in the board.

The 18 pin socket meant that the wires on the decoder (ESU) for the speaker weren't needed. The circuit board has leads going back to solder pads just over the motor. I removed material from the motor mount and routed wires from the speaker to the front of the motor and up to the circuit board along with the wires from the motor brushes.

This is a nicely designed model, but even better design would have arranged for easier access. It shouldn't be as difficult as it is. Still, the results of the work are worthwhile.

- Terry C
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Re: Mehano Bombardier Blue Tiger model 55540 T 509 MKB

Postby ConducTTor » Tue Apr 02, 2019 7:36 pm

Interesting they changed the decoder interface. Thanks for the heads up


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Re: Mehano Bombardier Blue Tiger model 55540 T 509 MKB

Postby CFRiad » Tue Apr 02, 2019 11:20 pm

Also good frame for an SD-40. Chop the buffers off, add microtrains coupler as start hunting on shapeways for a shell.
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Re: Mehano Bombardier Blue Tiger model 55540 T 509 MKB

Postby ConducTTor » Wed Apr 03, 2019 12:25 am

Oh man the Blue Tiger is much too nice of a model to chop up.


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