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November 17, 2017, 08:33:29 PM *
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News:     REGARDING MEMBERSHIP ON THIS FORUM: Due to spam, our server has disabled the forum software to gain membership. The only way to become a new member is for you to send me a private e-mail with your preferred screen name (we prefer you use your real name, or some variant there-of), and email adress you would like to have associated with the account.  -- Send the information to:  Russ at finescalerr@msn.com
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 on: November 14, 2017, 08:13:42 AM 
Started by Ray Dunakin - Last post by Lawton Maner
Go To Nick's corner.

 on: November 14, 2017, 07:04:36 AM 
Started by Chuck Doan - Last post by Design-HSB
Hello Chuck,

way too good that I think it's really just a model.

 on: November 14, 2017, 07:00:00 AM 
Started by Ray Dunakin - Last post by Design-HSB
Hello Ray, that promises to be a very appealing model again. With good suggestions for the replica.

 on: November 13, 2017, 09:19:06 PM 
Started by Ray Dunakin - Last post by Ray Dunakin
A few days ago I posted this photo of a styrene test piece for the covers on the engine:

My plan was to make a rubber mold and cast these things in resin. But that test piece was too rough. Well, I tried a couple more and couldn't get it to look as good as I wanted. So I tried a different approach, making it out of 1mm Sintra and scribing the indentations. That turned out even worse:

Even if I could have created a suitable master, I had doubts about how well such thin pieces would reproduce as castings. So I scrapped the whole idea and decided to come up with a non-prototypical design that would be simple enough that I could make all 20 of them individually. My first test of this was extremely simple, just a flat piece of styrene with rounded corners and a nut/washer in the middle:

But I felt that this was TOO simple. I wanted something that looked a bit more interesting. The design I settled on was made by layering two pieces of .020" styrene. Both pieces had the corners rounded, and I beveled the edges of the smaller piece before gluing it on top of the base piece. Here's how they turned out:

I also did some work on the base for the engine and generator:


 on: November 13, 2017, 02:28:45 PM 
Started by Ray Dunakin - Last post by finescalerr
Nonsense, Ray. They were made of plastic, as your recreation clearly exhibits. -- ssuR

 on: November 13, 2017, 01:03:59 PM 
Started by Ray Dunakin - Last post by Ray Dunakin
Apparently this type of engine didn't have a chain anyway. It was all done with gears.

 on: November 13, 2017, 09:07:14 AM 
Started by Ray Dunakin - Last post by Lawton Maner
If you keep learning one thing a day, your mind will never grow stale.
For Ray to allow you to see the chain, he's going to have to model the engine under repair with the cover off which is far to much work.

 on: November 13, 2017, 02:06:53 AM 
Started by Barney - Last post by Gordon Ferguson

 I believe you haven't even been in the room where said oven resides , let alone clean it .

When you only eat cheese & pickled onion sandwiches what do you need an oven for ?

 on: November 12, 2017, 02:57:52 PM 
Started by Chuck Doan - Last post by lab-dad
Good show!
Never have I seen the spring hanger in all the steam donkey research I've done.
Great little detail.


 on: November 12, 2017, 01:59:58 PM 
Started by Ray Dunakin - Last post by finescalerr
Thanks, Lawton. Now I finally know their function. I think I've seen timing chains on old car motors in engine rebuilding garages. -- Russ

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