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Giacomo77 Giacomo77's article
Mar 28, 2020 at 23:29
Mar 28, 2020
Video: More Prototype Failures in Another Episode of 'We Develop a Bike Frame'
@Bhaack: thanks for your in depth interest and support. I can send you a detail picture in a PM. The crack started right next to the weld in the highest stress zone of the Down Tube. We also located light imperfections in the weld, further the angle of the weld was not ideal so it made a hard jump instead of a smooth one. I'm confident that smooth welding alone could have solved the issue but we wanted that area as safe as it gets.
Giacomo77 Giacomo77's article
Mar 28, 2020 at 1:52
Mar 28, 2020
Video: More Prototype Failures in Another Episode of 'We Develop a Bike Frame'
@michael83: hey mate I appreciate your thoughts. The shock mount is bolted on to allow for geometry adjustments and also for a mullet option with almost no change in geometry (only metric changes is, of course, the BB drop). And yes you are right we do rely on correct applied torque otherwise the bolts might come loose over time or even shear off. But you should also consider that we are working on a high-end product here and we are maximizing performance where ever we can. These bikes compare to formula 1 cars rather than to normal cars so we expect our clientele to know how to use a torque wrench. If it passes the case test which applies up to 8000 Newton we can be confident that it is a good solution I guess. That's some rampage guy coming short over the canyon gap.
Giacomo77 Giacomo77's article
Mar 28, 2020 at 0:54
Mar 28, 2020
Video: More Prototype Failures in Another Episode of 'We Develop a Bike Frame'
The crack started from the junction between Down Tube and Head Tube. The holes for the cable inlets where not related they made only the exit point of the crack. The FEM results confirm that. That's why we decided to move on with the gusset.
Giacomo77 Giacomo77's article
Mar 25, 2020 at 12:24
Mar 25, 2020
Video: More Prototype Failures in Another Episode of 'We Develop a Bike Frame'
I understand your concern but we snapped M8 aluminum shock bolts while Testing Max Overload at EFBE (Not Shown in the Video) which had no impact on the tiny baby itself. New frames will feature a M8 Ti bolt for the lower shock mount as well.
Giacomo77 Giacomo77's article
Mar 25, 2020 at 12:19
Mar 25, 2020
Video: More Prototype Failures in Another Episode of 'We Develop a Bike Frame'
@rrolly: I had to mask the entire video in post it was garbage but the frame was gone to the lab so I could not shot again.
Giacomo77 Giacomo77's article
Mar 25, 2020 at 11:12
Mar 25, 2020
Giacomo77 Giacomo77's article
Mar 25, 2020 at 11:11
Mar 25, 2020
Video: More Prototype Failures in Another Episode of 'We Develop a Bike Frame'
On it. We have a 3D printed play cart mount in mind. What are your thoughts.
Giacomo77 Giacomo77's article
Mar 25, 2020 at 11:10
Mar 25, 2020
Giacomo77 Giacomo77's article
Mar 25, 2020 at 2:49
Mar 25, 2020
Video: More Prototype Failures in Another Episode of 'We Develop a Bike Frame'
After we pass the EFBE test protocol for Downhill bikes, hopefully this summer.
Giacomo77 Giacomo77's article
Mar 25, 2020 at 2:48
Mar 25, 2020
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