Looking back on thus thread, was said :
Especially on an upright tricycle.
I was looking thru this, a different Upright tricycle , a goal for after the rider gains some fitness
but , perhaps still likes the stability of that 3rd wheel.
http://www.pbase.com/canyonlands/image/116670708
there are races , in UK , where those are handmade, for folks, all on those tricycle bikes.
there is a lot of getting out of the saddle and leaning into the corner , on those.
One problem I have right now with my weight and biking is I have to keep the bike going fairly quick cuz once it slows I tip over. How did you handle this?
I'd say this applies here too , 3 wheels, cornering ,
lean to the inside of the bend.
at 450# it wont take much leaning , to shift the CofG significantly .