SMF - Just Installed!
.... We generally camp while touring and often in wet climates. I could not imagine touring without mud guards...well, perhaps in the American southwest or Australia.
Regarding flying we put the front part and rear wheel and all the parts in the S&S soft bag. The rear with front wheel we put in this bag;https://www.groundeffect.co.nz/collections/baggage/products/body-bag-compact-bike-bagWe cover the sides with card board taken from a bicycle card board box..The frame is covered with pipe insulation and bubble wrap at rear and front. And, very important the bottom is protected with two of this ;https://www.rosebikes.se/artikel/rose-bigblock/aid:21988You put front and rear chain wheels in this blocks and the bottom is protected, they have never failed us.
Thanks for your detailed post. We are in the process of getting a new coupled Thorn tandem and I just wanted to clarify part of your statement. You specifically mention you put the front part of the bike and the rear wheel together in a bag and the rear part of the bike with the front wheel. I've never had a coupled tandem before so could you explain why it works better this way. Thanks so much for the help.