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CentralFan1976 posted:
dPrasse posted:

Excellent !

Following !

Mind if I link this thread to my Fairbanks Morse Enthusiast group ?

Thanks!

and no, of course I would not mind; please forward ahoy!

PS-I am making a freight CFA20-4, so yes, the steam generator stuff had to go!

wink!

thanks,

Mario

Hah , I didn't fully read your post ... you caught my first post before I deleted it 

bwahahaha.  Must read entire post before commenting ....

Nice work Mario - it's inspiring!   Unfortunately your beautiful 3D printed grills and fans are coming into play years too late for my C-Liners.  Your posts did inspire me to share a 42 year saga related to Rivarossi C-Liners which I posted over on the 2 rail forum.

March on my friend - the hobby is in very good hands..

 

Keystoned Ed posted:

Nice work Mario - it's inspiring!   Unfortunately your beautiful 3D printed grills and fans are coming into play years too late for my C-Liners.  Your posts did inspire me to share a 42 year saga related to Rivarossi C-Liners which I posted over on the 2 rail forum.

March on my friend - the hobby is in very good hands..

 

I bet you, master modeler, could either get a new set to play with, and/or get the original ones cut out for the new grilles. 

Well see how they come out first, before I get you some to play with. 

Thanks!

Mario

Thanks...

Heres the test fit of the fans... 

I like the way the housings fit in the opening (drilled with a 3/4" hole saw bit), but the fan screen leaves a little to be desired. I think I'll put a 0.050" lip around the entire outside of the screen, so it can sit flush in the roof and fill any gap around the outside. This will also give us wiggle room for adjustments.

IMG_8547IMG_8546

...and before you say anything... no, I didn't use a drill press and it shows. 

Thanks,

Mario

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Tom, that's my own fault. 

I got inpatient and instead of starting it by hand to ensure that it was good, I used the drill and it drifted. 

I rimmed the offending hole with 0.030" styrene and I'll sand it flat with the others once I'm sure it's cured. 

IMG_8548

Still bummed... but that's what filler is for. 

As for the fan diameter, I'll have I check my CAD files, as I don't think I made them large enough from my initial measurements. 

Oh, and as for the lip, subsequent inspection shows that there wasn't any that was on top of the carbody. So flush it is...

IMG_8453

thanks,

-Mario

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Last edited by CentralFan1976

More work...

I plated over the FM exhaust port. That's probably what they would have done, since it would have been the cheapest and easiest.

IMG_8555

Also used a hole punch to cut 1/4" discs from styrene. Then reamed out the hole from the cut off steam generator exhaust with a 1/4" bit, and forced them in place and glued and stacked and glued. 

It should sand down nicely. 

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Tom D. posted:

Have you thought about making a plug for one of the fan openings since most c liners only had 3 fans?

That is an excellent question...

I do realize this, and from what I can tell, it's the Canadian roads that I have seen with 3 radiator fans. 

IMG_8556

I don't know if any of the Central's CFA-20-44s had three fans, but considering how much of a pain it is to fill and sand (and fill and sand and repeat), I'd like to keep it as four. 

Also, notice the dual exhaust stacks and their forward location on the third roof hatch. 

 

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Last edited by CentralFan1976

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