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Post details of your rolling stock developments - locomotive, carriages, DMUs, etc.

Re: GERMAN Schnellzuglokomotive BR01 steam loco

Postby rail450 » Thu Jan 24, 2019 9:02 pm

...a single spoke cap...

Spoke_Cap.jpg
Spoke_Cap.jpg (47.53 KiB) Viewed 1659 times
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Re: GERMAN Schnellzuglokomotive BR01 steam loco

Postby rvn2001 » Fri Jan 25, 2019 1:20 am

That looks fantastic! especially considering it's T scale.
Thom Welsch
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Re: GERMAN Schnellzuglokomotive BR01 steam loco

Postby rail450 » Tue Mar 19, 2019 10:38 am

Today I received the new BR01 housing and chassis made of brass.
Both new parts are precision casting products.
The quality is excellent and is very sure the root of a small series.

With his update I show the development history of my BR01 locomotive

BR01_Entwicklung_Chassis.jpg
BR01_Entwicklung_Chassis.jpg (72.3 KiB) Viewed 1528 times

At first I milled a gearbox for testing gears and wheels. Followed by
printed brass samples for motor integration, I used printed plastic samples
to optimise space and to integrate cylinder and slider housing.
In the finished brass chassis the digital decoder takes also place.
As perfection a professional did the last and best precision casting chassis.

BR01_Feinguss_Chassis.jpg
BR01_Feinguss_Chassis.jpg (90.87 KiB) Viewed 1528 times




BR01_Feingussgehaeuse.jpg
BR01_Feingussgehaeuse.jpg (80.48 KiB) Viewed 1528 times

Here you can see the quality comparison of printed plastic housing and precision casting brass housing.



BR,

Siegfried


Notice: the BR01 housing is NOT made of plastic and painted gold, it is made of BRASS ;)
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Re: GERMAN Schnellzuglokomotive BR01 steam loco

Postby rail450 » Sun Mar 31, 2019 4:04 pm

First test of my German BR01 with new steam wheel current collectors.

Slow approach is the big challenge of micromechanics and will be improved again by special contact springs on steam wheel back side

pls, join the test video https://youtu.be/QkSpo0t-ow8

BR,

Siegfried
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Re: GERMAN Schnellzuglokomotive BR01 steam loco

Postby JoeMalinchak » Mon Apr 01, 2019 12:15 am

Great work on your locomotive! Love the round house.

Please tell us more about how you are doing your steam wheel current collectors.

Joe.
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Re: GERMAN Schnellzuglokomotive BR01 steam loco

Postby rail450 » Fri Apr 12, 2019 12:47 pm

I will do next tests

BR01_current_collectors.JPG
BR01_current_collectors.JPG (55.12 KiB) Viewed 1346 times

with this etched current collectors.

BR,

Siegfried
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Re: GERMAN Schnellzuglokomotive BR01 steam loco

Postby rail450 » Thu Jun 20, 2019 12:26 pm

Update:

today I receved my 1st approach of etched current collectors (phosphorus bronze, 0,05mm)

Leitbleche.jpg
Leitbleche.jpg (166.16 KiB) Viewed 968 times


This 6 types have to be tested.

BR,

Siegfried
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Re: GERMAN Schnellzuglokomotive BR01 steam loco

Postby dkightley » Fri Jun 21, 2019 10:54 pm

Looks as if you have a bit of testing to do.....

How are you going to mount the shim onto the metal chassis without it making electrical contact?
Doug Kightley
Webmaster here and volunteer at the National Tramway Museum http://www.tramway.co.uk
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Re: GERMAN Schnellzuglokomotive BR01 steam loco

Postby rail450 » Sat Jun 22, 2019 12:07 pm

I´m using 0,1mm epoxy with same outline for isolation
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