Originally Posted by
Mista Sparkle
Lately the only time I have to get out, I am towing my son in his trailer and of course its heavy, but does anyone have any reasonable idea what CdA I might have with a bike trailer?
Look up Cd for a rectangular box at Re~10^5, estimate A for your trailer, reduce CdA for the trailer by about 25-30% for being in your draft and add to your CdA. Plug the inputs into
analyticcyling.com to get speed as a function of power or power as a function of speed.