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Bike still looks like a right hoot!
Solid steel post is probably not going to do much else than add weight. You'd be better off with an internally ovalized/butted steel tube. Or something like those titanium jobbies they use on bromptons if the diameter fits.
MisterMikkel-
titanium
Obviously he's not going to use Ti, but as a matter of simple mechanics it's a ludicrous suggestion since it's about half as stiff as steel.
Increasing wall thickness of the steel tube is a game of diminishing returns, but since the starting point is probably around 0.1 times the OD, the initial gain from adding 50-100% is going to be significant.
gbj_tester
First time in months, quick scoot down the road and back. Had replaced the stem at the back. Needs a solid steel seatpost at the front, the looong captain one flexes too much at that crazy length.
Hoping we have another ride along the Thames Path by the weekend before the stoker/passenger goes to Nepal for a month.