Subject:
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Re: New MOC - Class 08 Shunter with on-board uncoupling device
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Newsgroups:
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lugnet.trains
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Date:
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Thu, 31 Mar 2005 22:37:34 GMT
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Viewed:
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4178 times
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In lugnet.announce.moc, Jonathan Reynolds wrote:
> Here is my latest MOC, a class BR class 08 shunter (nickname = 'Gronk') in BR
> grey livery based on prototype 08 460.
>
> http://www.brickish.org/members/files/jreynolds/GronkTQ1.jpg
>
> Of course shunting is useless without being able to uncouple and couple at will.
> The model therefore includes an in-built motorized device triggered by a
> trackside ramp anywhere on the layout. With pnuematically operated points the
> 'Hand of God' will hopefully become a rarer sight!
>
> Hidden within the six-wide body is a 9v battery box, 2 wires, a technic polarity
> switch, a technic motor, reduction gear, worm drive and reciprocating motion
> linked to the coupler at the cab end. The reciprocating motion pulls the magnet
> from the normal (coupled) position into the dark recesses of the cab where it
> shares it's space with thrashing gears and and a slightly nervous MF driver.
> Here is a pic of the coupler in the 'normal' position which also shows the lever
> which is operated by the loco passing a ramp & centre-offs with a rubber band
> spring
>
> http://www.brickish.org/members/files/jreynolds/GronkOut.jpg
>
> To operate, you simply stop the loco adjacent to the ramp and wait whilst the
> motor pulls the magnet into the cab. There is enough power to easily separate
> from the adjacent wagon and then you can simply drive way, leaving the wagon
> behind or push the wagon further into the siding without coupling. The complete
> cycle takes a few seconds and is easy to judge with a bit of practice -
> especially as just before they uncouple, the wagon is drawn right up close to
> the loco.
>
> Here is a pic of the ramp which is simple enough to be disguised as lineside
> apparatus. It could be built shorter but it would mean more accuracy was
> required to stop in the right place. Running straight past the ramp barely moves
> the magnet so you don't disturb the train unintentionally.
>
> http://www.brickish.org/members/files/jreynolds/GronkRamp.jpg
>
> The model works well and uses 100% unmodified Lego parts. Hope you like it
>
> Jon Reynolds
>
> .
Oh yeah!
Nicely disguised 9v technic motor in a 6w package. This is a great all-LEGO
solution, Jon. Of course, DCC aux output would eliminate the trackside ramp and
allow uncoupling anywhere, but this is an everyman solution for sure. I _have_
to try this out...
Thanks,
Ed
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