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Old 6th Apr 2021, 18:06
  #26 (permalink)  
Finningley Boy
Join Date: Dec 2009
Location: Welwyn Garden City
Age: 60
Posts: 1,437
As I imagined speed range etc is always dependent on various factors. The figures I've come across I believe relate to a specific series of tests to establish a guaranteed level of performance, if that makes sense. It doesn't surprise me that twothree managed to significantly out do the higher altitude figure which I came across, hence I thought I'd bandy this about some folk who'd know.

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