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Of course, I suppose once I dampen the steering so much that unladen it ‘works’, when i put >10kg on the front and it won’t turn at all.
If I get this right you're making sort of a "V" shape with bungee cords / springs - can you not mount this in a way you can make the V smaller or taller (to increase / reduce tension) so it accommodates the different loaded / unloaded scenarios?
How does this all work with other cargo bikes? -
There are so many things going wrong with this bike. The steering rod and the whole frames structure is far too unstable to give you a pleasant ride. I don't believe that a steering damper will make it any better at all.
You need a complete overhaul of the steering. Mounting the steering lever down on the forkleg gets you a shorter steering rod with less bend. The longer the lever of the steering arms on forks and steerer, the less force is transferred through the steering rod. Also some reinforcement at the bends/big er tubing will help dramatically. Make sure there is absolutely no play in the joints.You should also secure/plug/cut off the tubes sticking out the cargo deck ready to skalp your shins!
Still waiting for the fork steering damper to arrive, prime delivery man must be having a lazy day.
In the mean time I tried the bike. It is better. The wobble is still there but much reduced. It is like, even with the rod dampened and the handlebars held tight, there is some kinda flex or dead-zone that allows the forks to wobble. I hope that when the fork damper kit arrives it fixes that problem and I can ride it more than 500m from the house.
However the bungee and everything definitely reduced rattle and swing and shake, it felt a lot better and steering was significantly more resistive, but felt like there is that point where it just won’t cooperate. All okay at walking pace in the carpark, I can slam on the v’s and stop and try again, but don’t want that when I actually try to ride this thing in public.
Of course, I suppose once I dampen the steering so much that unladen it ‘works’, when i put >10kg on the front and it won’t turn at all.