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by ppemawm
Thu Jul 11, 2019 11:56 am
Forum: Open discussion
Topic: Feature request: CarbonCopy should use names for references
Replies: 9
Views: 210

Re: Feature request: CarbonCopy should use names for references

chrisb wrote:
Thu Jul 11, 2019 5:57 am
This would make the model more robust against changes
+1
by ppemawm
Tue Jul 02, 2019 4:06 pm
Forum: Users Showcase
Topic: V0.19: Clayton Steam Wagon--UPDATE #4
Replies: 23
Views: 3515

Re: V0.19: Clayton Steam Wagon--UPDATE #4

All of the internal components of the steam engine are complete including the pistons, connecting rods, valving, and linkages. The cabin is also done so we have a nearly complete model of this fascinating truck with the exception of all the interconnecting piping between the boiler, feedwater heater...
by ppemawm
Thu Jun 20, 2019 3:21 pm
Forum: Users Showcase
Topic: V0.19: Clayton Steam Wagon--UPDATE #4
Replies: 23
Views: 3515

Re: V0.19: Clayton Steam Wagon--UPDATE #3

I have been working on the underslung steam engine that drives the the truck. Completed components include the crankcase housing, steam chest, lubricator, water pump, drive chain, and miscellaneous fittings. The models are shown in the photos below with some minor comments. Note that the engine has ...
by ppemawm
Sun Jun 09, 2019 4:18 pm
Forum: Users Showcase
Topic: V0.19: Clayton Steam Wagon--UPDATE #4
Replies: 23
Views: 3515

Re: V0.19: Clayton Steam Wagon--UPDATE #2

The boiler assembly is now complete including all of the valves, connections, tube bundle, and superheater coils as shown in the following screen grabs with a few comments on the work process: Picture13.jpg . Picture14.jpg . Picture15.jpg . Picture16.jpg . Picture17.jpg . Duplicating CarbonCopy sket...
by ppemawm
Thu Jun 06, 2019 11:29 am
Forum: Users Showcase
Topic: V0.19: Clayton Steam Wagon--UPDATE #4
Replies: 23
Views: 3515

Re: V0.19: Clayton Steam Wagon--UPDATE #1

un1corn wrote:
Thu Jun 06, 2019 6:04 am
H,i I hope you enjoy this project also
Thanks for your comments.
It seems as though we have the same interest in these elegant machines and the challenge of modelling them with FreeCAD.
The models you share on the Forum have always been an inspiration to me.
by ppemawm
Mon Jun 03, 2019 12:53 pm
Forum: Users Showcase
Topic: V0.19: Clayton Steam Wagon--UPDATE #4
Replies: 23
Views: 3515

Re: V0.19: Clayton Steam Wagon--UPDATE #1

I have been working on the components of the boiler such as the water box, feedwater heater, and the boiler assembly as shown in the following screen captures. Much of the boiler is complete except for all the connection fittings and internal tube banks which are currently in process. Picture8.jpg P...
by ppemawm
Thu May 30, 2019 2:06 pm
Forum: Users Showcase
Topic: American Hudson locomotive
Replies: 6
Views: 1587

Re: American Hudson locomotive

Amazing. Absolutely amazing detail. Nice color highlighting. I know how much effort these models take. More pictures please, especially of the internal components? Was this done with PartDesign workbench? Which Version? How did you route all the tubing in 3D space? I find that process to be the most...
by ppemawm
Wed May 29, 2019 12:19 am
Forum: Users Showcase
Topic: FreeCAD Challenge 2019-06 June - Hole Punch
Replies: 13
Views: 1637

Re: FreeCAD Challenge 2019-06 June - Hole Punch

Do you know macro FCSpring? I do. It seems to have the same problem with the discontinuity, unless I am not using it correctly. If you try to increase the smoothing it runs too slowly for my short patience. Here's my take on one solution that is a bit of trial and error to obtain a smooth transitio...
by ppemawm
Tue May 28, 2019 6:06 pm
Forum: Users Showcase
Topic: FreeCAD Challenge 2019-06 June - Hole Punch
Replies: 13
Views: 1637

Re: FreeCAD Challenge 2019-06 June - Hole Punch

here is my FreeCAD model Thanks for sharing. Nicely done. A question: How did you create the wire for the spring sweep path? I have not found a good way to eliminate the 'kink' in the end coils where the cylindrical portion joins the helix. See also my previous comment about attaching the sketch no...
by ppemawm
Tue May 28, 2019 5:25 pm
Forum: Users Showcase
Topic: FreeCAD Challenge 2019-06 June - Hole Punch
Replies: 13
Views: 1637

Re: FreeCAD Challenge 2019-06 June - Hole Punch

Thanks for your comments. 1. Not sure what are you seeng. Part1 is at 0,0,0. I modeled the parts so 0,0,0 will be at 0,0,0 of their respective drawings Ok, I understand why now. I almost always try to locate planes of symmetry of the assembly at the global origin irrespective of the drawings. It see...

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