Useful links

A selection of the blogs that I enjoy browsing.

30 Squares of Ontario: E. L. Moore discussion and research, along with a great HO scale streetcar railway.
Quinntopia: Currently on holiday, but lots of useful info about building a bustling city scene in N scale.
Diotown: Hundreds of useful articles on all sorts of Japanese modelling.
N Naro Struggles: Lots of small locos, trams, engines, carriages, rail motors, etc.
Shochan's DIY: Chassis modifications, subway tunnels, building hacks, etc.
Model Railroad Armchair Theory (Barrack Model): A master of reassembling deconstructed chassis with new slower gearing. Makes very small N scale locos that perform excellently.
Vayashi's paper craft: A huge selection of papercraft model trains.
Model Railroad 900 Channel: Lots of small locos, custom made and shortened.
Yan's dream world: Small modules and freelanced railway lines.

Interesting projects

Curve-anticipating camera car: a small "spy cam" that anticipates corners making for smoother videos.
How to fold diaphragms: instructions on how to fold up a paper bellows for between carriages.

Trams of Hungary and much more: lots of info on Hungarian trams, history, etc + a few other countries
Zoltán Ádám Németh pages: a vast encyclopedia of mostly Hungarian language tram info. Some of it very technical, e.g. how articulation works.