SAM·BURNSmechanical engineer

Experience

SpaceX

Incoming Avionics Mech. Eng. Intern · Starship Electronics
June 2027Hawthorne, CA

Joby Aviation

Mechanical Eng. Intern / Part-Time Mechanical Eng.
Sep 2025 – Oct 2026Santa Cruz, CA

8VC

Summer Fellow
Summer 2026San Francisco, CA

nTop

Modeling & Automation Intern
May – Aug 2025New York, NY

Terra Labs

Project Manager / Mechanical Engineer · COVE Arm
2026 – presentLos Angeles, CA

USC Viterbi

B.S. Mechanical Engineering
2023 – 2027Los Angeles, CA

Passive magnetic bearing · 3U CubeSat reaction wheel test rig · in progress

Lead mechanical designer, team of four. USC AME 441aL, Aug 2026 – present.

0Parts in the rig
0Custom parts, GD&T drawn
0.00mmStack-up fits
0µmFlywheel eccentricity budget
0.01N·m·sWheel momentum
0Drawing revisions
  1. Flywheel

    C360 brass, Ø70 mm, 422 g.

  2. Structure

    6061 aluminum on an 80/20 frame, 3D-printed fixtures. A camera tracks the rotor's orbit; a reaction torque sensor measures torque across the bearing.

  3. Air gaps

    2, 3 and 4 mm. Three magnet journals on one shaft, flywheel and housing.

  4. CAD

    15-parameter Siemens NX model. 11 drawings to ASME Y14.5-2018.

  5. Machining

    11 parts, CNC-turned and 4-axis milled at USC.

Drawings

Build

Assembled test rig: 80/20 frame, aluminum plates, housing and motor
Machined brass flywheel and shaft, aluminum housing and magnet journal
Housing from above with the four magnet cartridges installed
Brass flywheel with the zirconia contact ball

Terra Labs · COVE 7-DOF robotic arm

Project manager and mechanical engineer, Terra Labs at USC. Feb 2026 – present.

presentation
presentation
first prints
machined parts
finished arm
load demo

Assembly and live demo

Assembly
Live demo

Custom 10 N thrust stand

USC AME 341b. Aug – Dec 2025.

Mechanical design

Table-clamped cantilever stand on a 1 kg binocular beam load cell, with custom motor and base adapters.

  1. Mechanical design
  2. Electronics integration
  3. Calibration and procedure
  4. Characterization
  5. Analysis

Process

CAD assembly.
CAD assembly.
Electronics schematic.
Electronics schematic.
C_T vs RPM, measured and UIUC.
C_T vs RPM, measured and UIUC.
C_P vs RPM.
C_P vs RPM.
Thrust vs RPM and electrical power.
Thrust vs RPM and electrical power.
Figure of merit vs RPM.
Figure of merit vs RPM.

Photos

Contact