Mehano Bombardier Blue Tiger model 55540 T 509 MKB

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

Post by ConducTTor »

Wheel diameter is 8.8mm, wheels base is 15.5mm + 15.5mm.
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scaro

Re: Mehano Bombardier Blue Tiger model 55540 T 509 MKB

Post by scaro »

thanks ConducTTor.

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Re: Mehano Bombardier Blue Tiger model 55540 T 509 MKB

Post by ConducTTor »

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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CSD
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Re: Mehano Bombardier Blue Tiger model 55540 T 509 MKB

Post by CSD »

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
//S

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Re: Mehano Bombardier Blue Tiger model 55540 T 509 MKB

Post by dileTTante »

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

Post by ConducTTor »

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

Post by CFRiad »

Also good frame for an SD-40. Chop the buffers off, add microtrains coupler as start hunting on shapeways for a shell. [emoji57]

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Re: Mehano Bombardier Blue Tiger model 55540 T 509 MKB

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


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