Did not realise that was a known abbreviation of adjustable spanner. I am nothing without google
CityCyclingEdinburgh Forum » Infrastructure
Trailer excitement & bending a DIY hitch extension?
(38 posts)-
Posted 14 years ago #
-
always made sense to me, you wouldn't wanna be asking for such a mouthful all the time.
On the subject of unusual bikes and trailers I have noticed a weird effect. Im not sure why but I notice distinctly more surge in the trailer when I am towing it by upright than with the recumbent. On the latter it really doesn't feel like its there but on the upright I can really feel it resisting almost my every pedal stroke. Would be interested in seeing if anyone else finds the same. of course the upright is nearly half the weight of the bent, which might have something to do with it, but I also think it may be to do with the smoother way the power is delivered on the bent.
Posted 14 years ago # -
That's an interesting thought. When the trailer is empty I don't feel it, and when it is very heavy it's so massive that there is no surge, but there's a middle ground where you can distinctly feel it.
I haven't tried to tow it on the Rapto, which is now rebuilt but I'm keeping it nice with a view to selling on.
Posted 14 years ago # -
I think my cars have had a maximum unbraked towing weight of half the car's weight - presumably to reduce tail wagging dog situations and jolts to the transmission.
So I'd think ruggtomcat's on to something regarding the weights.
Robert
Posted 14 years ago # -
Is it something to do with the direction in which the weight of the trailer would be felt? On an upright the trailer would be effectively trying to push/pull the bike beneath you but you're more in-line with the attempted relative movement of the trailer compared to the bike on the recumbulant...
Posted 14 years ago # -
Hmm, that's a good thought - it's not pushing the bike relative to you, because you're 'in' the bike. On the upright, in contrast, you can feel it move under you?
Posted 14 years ago # -
Oh now that sounds very plausible, can anyone think of an experiment to test it?
Posted 14 years ago # -
You'd need one of those forcimeter things they use for measuring drag in wind tunnels (or, as seen on TV, a heavier-duty version of the things they glue to flies' backs to measure how much their traction is reduced when their feet are dipped in detergent).
Posted 14 years ago #
Reply
You must log in to post.
posts
