Finally have the kits finished! The Great Northern Railway Historical Society approached me some time ago about some modifications to the HO Scale 40ft GS Gondolas I had been making, and these are the

Hi Clarence, I still have listings on Ebay, not sure if a link address changed, or sometimes the search options are less than intuitive. If you want to use Ebay, try this link: www.ebay.com/usr/bonsal

Hi Everyone, I have a batch of 3D printed HO scale D&RGW GS Gondolas with the Wire Grab option finished up, including the Flying Rio Grande decals (1940 - early 1960s). Kits include the carbody, lead

Just an educated guess, but could it be some sort of empty / full switch, as to allow only partial braking power when the car was empty to keep it from locking up the wheels? I know the Kennecott ore

Hi Jeff, I had seen the helium cars before, but never really noticed the trucks were outside clasp. I've actually got two different versions of the outside clasp trucks; the CBC / B&LE that have the "

Hi Bud, I haven't been able to find drawings of those specific trucks, but like Tim mentioned, they were also used on the Carbon County Railway 3 bay hoppers here in Utah. I had found some drawings of

Mr. Sullivan, I'm glad you enjoy your cars! I think I saw one of those photos come across here of the UCR cars in log service, and it was very intriguing. These cars and kits are definitely a labor of

Hi Everyone, In researching the 3D prints of these cars, one of the locations for information I was able to find freely is the June 1922 Railway Review on Google Books, that has an article on these ve

<cracks knuckles> To start with, those are either the big 70k series (46ft IL, b 1922) or it's little cousin 45k series (42ft IL, b 1926) offset gondolas. Built a bit different (and larger) than almos

Hi Dennis, I've had my Form 2 apart enough to clean and keep running, and you've hit the nail on the head. The guts are derived from paper printers, and the forces needed to break the last cured layer

Hi Larry, I'm 3D printing these at home on a Formlabs Form 2 SLA resin printer, it uses a acrylic liquid resin that is UV photo-sensitive. I do end up with some support blemishes on one side of the ca

Hello everyone, I've just completed a batch of Utah Coal Route GS gondola kits in HO scale, and listed them on Ebay. There are two options for grab irons: solid "cast" type, and wire grab drill points

Mark, The Monarch branch had 300 of the offset 70000 series gondolas renumbered to the 80000 series in 1956 for the standard gauge conversion, and had the "Monarch rock service only" stenciled on them

Maybe it's time I step out of the shadows to explain some of what I've been doing with these 3D printed cars... Let's start with some history, most of which I have gleaned from Jim Eager's article in