It was my understanding many years ago that there were foam or thin-rubber diaphragms or blocks that could go between the Aerotrain cars … perhaps the same ‘materials systems’ used for full-width diaphragms on regular passenger cars. Not sure how you’d modify the ‘nub’ system to get flexible pieces to work, but I can think of several approaches.
I had just modelled up these “bellows” for my 1/24 Aerotrain and printed them off in TPU. They were pretty flexi for the large train but would probably be too stiff for HO. Why am I necro posting an old thread you ask? Well I just so happen to have 2 full NOS Varney sets arriving today! Maybe I will try printing a bellows out single wall and scaled down! Of course I’ll have to reshape them now that I know what they really look like lol.
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I’m looking forward to detailed shots of that bigger Aerotrain when you get it finished and painted.
Teaser…I will create a thread when I get back to that one, don’t want to hijack Darth’s. Still trying to decide if I want to stick with these filament printed shells or reprint them in resin…
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The FDM shells look good to me–by the way, what kind of printer are you using?
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Creality K1 Max for filament and a Creality Halot One and Halot Sky for resin.
Oh, I’ve got a Creality also–but mine’s a second-hand CR-6 SE. But I was looking at one of those K1s not long ago–are they reliable?