Cas Rekers passed away

I haven’t known him personally, but I remember Cas demonstrating his RowPerfect on the Bosbaan some twenty years ago. I think he greatly stimulated the development of rowtrainers, and managed to build and market a rowtrainer that comes remarkably close to the feeling of rowing on water.

Here’s the equation that describes what his RowPerfect did better than the competition:

m_c (v_t + v_b - v_c) + m_b (v_t + v_b) = m_c v_t + m_b v_t.

A beautiful In Memoriam written by Carl Douglas.

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