What the thread found

• The vest and arm assembly is identical between the Merlin and Pilot kits, with the only difference being the arm post configuration.
• The arm post is cranked on the Merlin version and straight on the Pilot version.
• The arm post can be swapped between Merlin and Pilot configurations in seconds.
• Putting on the vest and arm can be accomplished in under a minute with practice, typically within 30 seconds.

Depends on

• The exchange time for the arm post was described informally as 'a few seconds' without precise measurement.
• Setup time estimate of 30 seconds was informal and based on practice, not formal testing.

Parts

Arm Post

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