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Author Topic: Oregon Portage Railroad Oregon Pony  (Read 45070 times)
finescalerr
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« Reply #15 on: May 26, 2009, 01:58:22 AM »

Nice work on the frame. It looks like the drivers may be a challenge. -- Russ
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Scratchman
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« Reply #16 on: May 31, 2009, 08:49:05 PM »

Here's two pics of the wheels and the gears with the painted frame. I will paint out the rust on the wood parts.





Gordon Birrell


http://www.flickr.com/photos/77318580@N00/
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marc_reusser
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« Reply #17 on: May 31, 2009, 11:29:51 PM »

Wonderful. (But then one would not expect any less from you.)

Marc
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TRAINS1941
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« Reply #18 on: June 01, 2009, 05:43:22 AM »

Gordon

Once again your doing perfect work.  Truly amazing!

Jerry
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« Reply #19 on: June 01, 2009, 11:04:33 AM »

Beautifully delicate!  Can't wait for the next round of pictures.
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Frederic Testard
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« Reply #20 on: June 01, 2009, 05:47:14 PM »

What a beautiful, neat work, Gordon. And so well documented. Thank you for sharing.
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Frederic Testard
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« Reply #21 on: June 03, 2009, 07:46:30 PM »

Here are two photos of the boiler, unpainted and over 1000 parts.





Gordon Birrell


http://www.flickr.com/photos/77318580@N00/
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jacq01
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« Reply #22 on: June 04, 2009, 12:12:31 AM »


   Oh................ Gorden needed putty to fill a joint....
   He is becoming more like us mortal modelers................ Grin Grin

   Fantastic work, in such a short time. 

   Jacq
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« Reply #23 on: June 04, 2009, 02:00:54 AM »

This just keeps getting better. Just wonderful.


Marc
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« Reply #24 on: June 04, 2009, 02:08:36 AM »

I don't see putty. I see virtual perfection. -- Russ
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« Reply #25 on: June 04, 2009, 03:42:49 AM »


    Gordon,

   do you prepare for each part an expanded drawing ( unfolded) to be able to cut the correct shape and mark all rivet positions ? I am impressed by the accuracy of the reinforcement ring of the boiler/ dome connection.

   Jacq

   
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put brain in gear before putting mouth in action.
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I am what I remember.
RoughboyModelworks
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« Reply #26 on: June 04, 2009, 08:27:00 PM »

Absolutely beautiful work as always Gordon…

Paul
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« Reply #27 on: June 06, 2009, 12:13:53 PM »

Thanks guys for your comments. For this boiler the only drawing I made was a cross section so I can line up the top, center and bottom parts of the boiler. After the center part has been wrapped with a sheet of styrene I take the rough formed top and bottom cores and fit them to the center part and trace a line to show their location. Extend these lines out the width of the flange and use this for the pattern. Cut these parts out of sheet styrene and add to the center part. The bottom core is made out of wood and is added to the flange sheet that is on the center part. Now add a sheet of styrene to all four sides having them fit up tight to the flange. The top core is made from a section of 1 1/2" ABS pipe with the bottom shaped to fit the center part. Wrap this core with a sheet of styrene that is longer on the bottom.  Tape this sheet to the core and trace and cut to the shape of the core leaving about two scale inches longer than the core on the bottom. Glue the core and wrapping together. Now when shaping and fitting this to the flange sheet you are only shaping the thin sheet of styrene and not the thick core. This now can be glued onto the flange sheet. The core for the center part is a section of 2 1/2" O.D. tubing from Plastruct. I use sand paper wrapped around a same size piece of pipe or tube to do the shaping.

Gordon Birrell

 http://www.flickr.com/photos/77318580@N00/
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lab-dad
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« Reply #28 on: June 07, 2009, 07:26:30 AM »

Very impressive Gordon!
Just curious, and couldn't figure it out from the post above.
Do you lay out the rivets on the styrene sheet before wrapping or after?
-Marty
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« Reply #29 on: June 07, 2009, 11:33:03 PM »

Marty, on the first wrap of the center part I lay out the top line, the bottom line and a line on each side all going from end to end. Working the other way I draw a line at the first and second row of rivets and a line centered on the steam dome. I don"t lay out rivets until all three parts are connected.

Gordon Birrell

 http://www.flickr.com/photos/77318580@N00/
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