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2021From a Facebook group: Steadicam operators group

Modernizing an Ultra-2 sled: removing the nose, upgrading connection boxes, choosing between Volt or other gimbals, and Bottom-Stage modifications.

DisputedParticipants disagreed and reached no conclusion. Read the findings as positions, not as an answer.

What the thread found

  • Several operators have retrofitted Volt gimbals, added extra HD-SDI lines, installed additional power connectors, and upgraded the monitoring system, noting that little of the original Ultra-2 remains after such modifications.
  • The manufacturer can replace the nose box with a shorter unit and install a Volt gimbal as part of a service upgrade.
  • One operator calculated that selling a used Ultra-2 sled and switching to an M-2 with a Volt gimbal costs only marginally more and results in a completely new rig.
  • Specialized workshops offer complete rebuilds of older Ultra-2 sleds, including replacement of the pan bearing with hybrid ceramic/stainless-steel assemblies.

Depends on

  • Upgrade path depends on budget, desired modernization scope, and whether operators prefer incremental retrofitting or complete platform replacement.
  • No consensus on whether upgrading an existing Ultra-2 or transitioning to an M-2 provides better long-term value.

Gear in this thread

Voltcatalog

Parts

Gimbal Bearing

Same gear or parts

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  3. 2026Choosing between Wave, Volt 2, and MK-V Level gimbals: performance in wind, rig weight, maintenance, and mode switching.DisputedFacebookSteadicam operators group
  4. 2026Lemo connectors on the ARRI Artemis sled: pinout, polarity verification, and powering low-mode monitors and Volt battery.FacebookSteadicam operators group
Original thread on Facebook (group members only)Ask about this threadThe answer cites the archive