SteadiHub
2020Steadi-Newbies forum

Payload capacity differences between Zephyr Arm and A30 Arm on Zephyr stabilizers

What the thread found

  • The A30 Arm and Zephyr Arm are mechanically identical products with different naming conventions.
  • The A30 Arm's rated 30-pound payload includes the camera, accessories, and the sled weight combined, while the Zephyr's 23-pound rating covers only the camera and accessories, leaving approximately 7 pounds as a safety margin for the sled and component protection.
  • Operating stabilizer arms at maximum rated payload capacity risks damaging internal components such as gimbal parts and the tilt axis pin, and can result in camera drops.
  • Manufacturing tolerances in the spring mechanism can cause some arms to support weight beyond their specification.
  • Combining the Zephyr rig with an A30 Arm does not provide performance advantages over the standard configuration when accounting for actual usable payload limits.

Depends on

  • The equivalence between A30 Arm and Zephyr Arm is described from memory rather than official documentation.
  • Recommendations against maximum payload operation are based on anecdotal reports rather than systematic testing.
  • The specific spring tolerance variations mentioned are not quantified.
  • Discussion is limited to Zephyr stabilizer models from around 2020.

Gear in this thread

Zephyrcatalog

Same gear or parts

  1. 2026Steadicam® A-30 lower arm segment stiffness and squeaking after warranty service; bearing ring contact hypothesis.FacebookSteadicam operators group
  2. 2026Reducing voltage drop in standard Steadicam® Zephyr cabling for high-power broadcast cameras.DisputedFacebookSteadicam operators group
  3. 2026First stabilizer purchase: Steadicam® Elite (14 kg payload, integrated Volt 3) versus Rever Evo (higher payload) and used-market strategy.DisputedFacebookThe Steadicam Group
  4. 2026Removing a stuck aircraft pin from a used Steadicam® Zephyr arm connection block and reconfiguring to goofy modeFacebookSteadicam operators group
Read the original threadAsk about this threadThe answer cites the archive