NA track bumpers

NA track bumpers

Postby MacG » Thu Jan 07, 2016 4:21 pm

Hello folks,

my track bumper is still available.

CIMG5528.JPG
CIMG5516.JPG

The bumper is made of chrome-cobalt-molybdenum (for more about the alloy see at Wikipedia).

It costs, without tax for outside EU, 4,12€ per piece. It makes sense to order 5 or 10 pieces, because of the shipping costs (6,20€) and the PayPal fees. The follows total amounts are for shipping to USA or Canada.

one bumper for a total amount of 11,10 €
5 pcs for a total amount of 28,26 €
10 pcs for a total amount of 49,68 €

Please ask me for a different amount of pieces or other destination than USA or Canada.

Inside EU costs a track bumper 4,90 € (with 19% Tax). The shipping costs are the same (6,20€) and the PayPal fees depend on your amount of bumpers.
Attachments
Instruction_Bumper_TT_MacG.pdf
made with an earlier version of the bumper
(511.89 KiB) Downloaded 216 times
Last edited by MacG on Thu Apr 13, 2017 4:09 am, edited 1 time in total.
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Re: NA track bumpers

Postby ConducTTor » Thu Jan 07, 2016 4:39 pm

I've bought these and they are very good. And MacG ships in a timely manner.
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Re: NA track bumpers

Postby Tom Dempsey » Thu Jan 07, 2016 6:24 pm

Are these electrically conductive?
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Re: NA track bumpers

Postby ConducTTor » Thu Jan 07, 2016 11:35 pm

No idea...never even crossed my mind. They haven't caused any problems for me so I'll assume they are not. My back gave out so I can't get to the train room to put a meter on them.
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Re: NA track bumpers

Postby ctxmf74 » Fri Jan 08, 2016 2:58 am

"They haven't caused any problems for me so I'll assume they are not."

It says they are metal so probably conduct electricity. Perhaps they are narrow enough to not hit both rails at the same time? If they did cause a short it looks like it would be easy to gap the rails between the nearest wheels and the bumper...DaveB
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Re: NA track bumpers

Postby areibel » Fri Jan 08, 2016 7:05 am

The instructions in the attachment explain it, they use a small piece of shrink tubing to insulate the areas that touch the rail.
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Re: NA track bumpers

Postby MacG » Fri Jan 08, 2016 7:43 am

Tom Dempsey wrote:Are these electrically conductive?

Yes, they are. Therefore the model is stable like the prototype. :wink:

Areibel was faster.

There are two solutions:
1. isolate the front of the track bumper to the rails (see the instructions), the rear end is narrow enough
2. a gap in one or two rails, at least one tie is in front of the bumper

The American track bumper has been proven on several layouts, e.g. the exhibition layouts from ConducTTor, CN-TT and Lok-n-Roll.
Last edited by MacG on Fri Jan 08, 2016 1:32 pm, edited 1 time in total.
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Re: NA track bumpers

Postby CN-TT » Fri Jan 08, 2016 10:55 am

These bumpers are GREAT :thumbup:
I used some "Liquid Tape" around the areas close to the rails. No Problems!
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Re: NA track bumpers

Postby MacG » Fri Jan 08, 2016 1:33 pm

Thanks guys, for the positive feedback!
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Re: NA track bumpers

Postby ConducTTor » Fri Jan 08, 2016 4:15 pm

areibel wrote:The instructions in the attachment explain it, they use a small piece of shrink tubing to insulate the areas that touch the rail.


Ah yes, I had forgotten that! That's what I did.
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