Industrial Heat Pumps & Electrified Thermal Systems worked example

Production Ramp Capacity at 59% expected line uptime during ramp: a worked example in industrial heat pumps & electrified thermal systems

Suppose expected line uptime during ramp falls to 59%. This page works the full calculation at that level so you can see exactly which result moves and by how much. Estimate accepted output during a heat pump production ramp from units per cycle, planned cycles, uptime, and first-pass release yield.

The inputs for this scenario

  • Heat pump units assembled per build cycle: 3 units / cycle (held at the documented default)
  • Planned build cycles in the ramp window: 80 cycles (held at the documented default)
  • Expected line uptime during ramp: 59 % (the input this scenario stresses; the baseline uses 82)
  • First-pass acceptance yield at release: 90 % (held at the documented default)

Working through the calculation

  • The calculation starts from the formula this tool documents: Gross production ramp capacity = heat pump units per build cycle × planned ramp build cycles.
  • Accepted production ramp capacity works out to 127 units at these inputs, and this is the headline figure for the scenario.
  • Gross production ramp capacity works out to 240 units at these inputs.
  • Production ramp availability loss works out to 98.4 units at these inputs.
  • Production ramp release yield loss works out to 14.16 units at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where expected line uptime during ramp sits at 82% and the headline result is 177 units, this scenario comes in 28.05% below the baseline at 127 units.
  • It computes the accepted (saleable) heat pump output across a ramp window after applying line uptime and first-pass acceptance yield to the gross build schedule. When the numbers land here, the stressed input is the lever to work; the walkthrough above shows exactly how much each output recovers as it climbs back toward the baseline.

Results at a glance

  • Accepted production ramp capacity: 127 units (headline result)
  • Gross production ramp capacity: 240 units
  • Production ramp availability loss: 98.4 units
  • Production ramp release yield loss: 14.16 units

Run it with your numbers

  • To rerun this with your own numbers, open the live Production Ramp Capacity calculator, set expected line uptime during ramp to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.