The Brompton Handlebar Case II

While browsing the Internet I found some past references to Brompton Handlebar cracks near the bending elbows. I noticed my colleague Brompton had a different design and thus concluded that probably the Brompton bike team, decided to turn the  handlebar more robust.

Brompton handlebar
Brompton handlebar

Check out my previous post to know what I am talking about. Click here

I notice that I make some force to the ground direction when pedalling and curving, special when the road has bumps.

HandleBar model constraints
HandleBar model constraints

In wich elbow will the stress higher and the cracks be formed? I will be continuing on this subject, so please stay tuned.