Whitcomb 65T centre cab

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Bigelov
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Re: Whitcomb 65T centre cab

Post by Bigelov » Wed Oct 12, 2022 6:03 am

Well, the body is all but drawn up.
65tv4b.jpg
Just working on getting the headlight section of the V100 pc board to slot in place. Why not use parts of the original model as much as possible? Test print of a section of the nose tomorrow to see how that works, and if alterations are needed.

Just about to think about bogies and under body details.

I found a post on the MRH forum from when the Piko HO scale version was announced. Interesting and useful information about the development and use of the machine.
https://forum.mrhmag.com/post/piko-anno ... o-12217379
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ConducTTor
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Re: Whitcomb 65T centre cab

Post by ConducTTor » Wed Oct 12, 2022 9:40 am

While I don't have interest in this model, I'm really looking forward to seeing you make it. I have great appreciation for DIY engineering, "manufacturing", etc.
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Marquette
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Re: Whitcomb 65T centre cab

Post by Marquette » Wed Oct 12, 2022 9:50 am

The body is looking great!
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MacG
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Re: Whitcomb 65T centre cab

Post by MacG » Thu Oct 13, 2022 1:36 pm

@Bigelov This looks really good and was apparently quick to model as well.
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TiTan downunder
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Re: Whitcomb 65T centre cab

Post by TiTan downunder » Tue Oct 18, 2022 5:29 am

Steve, Looks absolutely fantastic. You've done a bl..dy great job with this.

Ian

Carsten
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Re: Whitcomb 65T centre cab

Post by Carsten » Tue Oct 18, 2022 12:46 pm

Steve, I'd like to see it printed. Are you going to draw the truck side frames?

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Bigelov
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Re: Whitcomb 65T centre cab

Post by Bigelov » Wed Oct 19, 2022 2:11 am

Well, not sure if it was quick to model, quickness is relative. I know I take a lot of time drawing stuff! But I am mechanically minded and have gotten used to using this program (DesignSpark Mechanical).

I have test printed the slot for the LED board and the concept works, but needed some refining (as per usual).
Whitcomb LED board.JPG

As for truck side frames and under body details, yes!:
65tv4c.jpg
The bogies should clip onto the gear tower as per the original. I have yet to do a test print for that. And the fuel/air tanks will screw in as per the original, with some space to put in lead weight. I haven't finalised the side skirts yet and I am in two minds about them. But I will finish drawing them and then ask for comment.

So getting very close to final test /production (?) prints. That's the trick: make the pretty drawing into a great model. My 3D printer is just about on its last legs and I think will be replaced shortly...
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ConducTTor
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Re: Whitcomb 65T centre cab

Post by ConducTTor » Wed Oct 19, 2022 9:35 am

Interested to see what resin you use for the trucks/gearboxes and how well it works. I was never able to get a satisfactory result with Shapeways resins. They either created too much friction, were simply not accurate enough to keep proper gear spacing or, were not strong enough to keep gears aligned when torque was applied.
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MacG
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Re: Whitcomb 65T centre cab

Post by MacG » Wed Oct 19, 2022 1:42 pm

He uses a chassis from Tillig, the V100 (DR) model. He just drew the truck side frames to put on the Tillig bogies. Just like you did with the Blomberg for Halling.

Looking at the Start model of the V100 from Tillig, I don't see what else would need to be changed on the side skirts. The box on the right is only on this side. Here is a picture of a Whitcomb 65-ton. https://www.railpictures.net/viewphoto.php?id=357001
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ConducTTor
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Re: Whitcomb 65T centre cab

Post by ConducTTor » Wed Oct 19, 2022 11:21 pm

:wall:

I'm not very smart today.
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