Drone Arm Clevis·Nimbus Labs
Trial 2
SuccessA356Apr 1, 2026graduated to production
Goal
Balance the runner so both cavities fill together.
Process
- Pour temp
- 700C
- Mold temp
- 170C
- Alloy batch
- A356-2604-A
- Trial date
- Apr 1, 2026
- Gating
- Asymmetric gate areas on a symmetric runner.
- Changed from the previous trial
- Runner rebalanced, gate to the short side opened 2mm.
What came out
Defects observed
Both halves full, no porosity.
Lessons learned
Balance by gate area, not by moving the runner. Faster to change and easier to reason about.