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Real wheels are not all the same. There are straight plate and curved plate, currently the straight plate wheels are outlawed.
Additionally, the tire thickness of the 33” wheelset is awfully thick too. This has been commented on before, but I’ll highlight that the 36” wheelset tire thickness is not nearly as thick as the 33” wheelset. Its sort of tricky to accurately measure, but my rough number is .4mm on the 33” wheels and .3mm on the 36” wheels. They are visibly different, and I’m thinking that the 33” tire thickness is much too thick, even for a “brand new” wheel. I’m not trying to complain about these, they’re great wheels, but it does seem that the 33” wheels might not be quite up to proper spec. At least in the examples I have.
Peteski: NWSL makes a special bolt for their "Puller" with a hole drilled in the center, just for pushing on pointed axles. The point goes in the hole, and the bolt pushed against the outer portion of the end cone.
I’m a big fan of the ESM wheelsets, they’re definitely a quality product. I have put well over 100 wheelsets into service and they’ve been consistently decent, and in general better then many of the other N scale metal wheelsets I’ve come across. I’ve used both the 33” and the 36” versions.I do wish the tread was narrower though. They’re pretty wide, noticeably wider than the BLMA wheelsets found on the at least the 100 ton trucks mentioned in this thread. It would be very nice to see a narrower tread akin to the BLMA wheels on the ESM wheelsets.
"Well, what if you want to press the pointy axle inwards (to increase the gauge)? Something has apply pressure on the pointy end of the axle? "That's the idea behind the center hole. It fits over the point, protecting it, while the bolt presses on the outer edge of the cone, near the rim pr the axle. Works beautifully, I used it when regauging some Nn3 flatcars (ex European standard gauge!)
Fingers crossed that my LHS gets the 8 pair of 100-ton trucks on my backorder LOL ! Frank
Peteski: In that case, I have no idea how one would widen the gauge, without either pushing on the end of the axle, or clamping the axle in something and pulling the wheel out, which risks bending the axle.