Downhill with a Brompton [safely]

You finally reach the top of a hill and look forward to an easy descent. A road sign indicates a 10% down slope. How fast will you end up going? Should you brake on the way? Should you worry about your wheels overheating or a tire blowing out? Let's find out.
NOTE: Imperial System conversions are in the subtitles [CC]

00:00 Introduction
00:26 Falling object Terminal Velocity
00:52 Bicycle Terminal Velocity
02:17 Brompton Terminal Velocity vs Slope (Sea Level)
02:34 Brompton Terminal Velocity vs Slope (2000m)
03:02 Braking Heat profile
03:55 Rim Temperature
04:51 Rim Temperature Mathematical Model
06:50 Summary

References:

How Much Faster is the Brompton Electric on Everyday Rides? - Everyday Cycling
[    • How Much Faster is the Brompton Elect...  ]
42mph on a Brompton - Path Less Pedaled
[    • 42mph on a Brompton   ]
Rim Temperature During Downhill Braking - David Gordon Wilson
[ http://www.ihpva.org/HParchive/PDF/34... ]
Rim Database
[ http://kstoerz.com/freespoke/rims ]

Copyrights:

Music: The Day is Close - The 126ers
Video by LegioSeven [ https://www.pexels.com/video/drone-sh... ]
Sezione cerchione bicicletta, Wikipedia

#brompton #2bikes4adventure