Description Luca 2011-05-30 07:35:11 EDT

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A) Some SI-affine units (non-SI but based on SI units):
1) metric-tonn-force (1 tf = 1000 kgf)
2) metric-technical-unit-of-mass (1 TME = 1 kgf / (1 m/s^2); i.e. the mass which accelerated by 1 m/s^2 results in 1 kgf)

These units are still used by some engineering practitioners (at least in Italy, but I can guess also in other EU countries) and might deserve to be added somewhere instead than being redefined by users.

Whether these units belong to a clearly nameable set, I am not sure. If it was for Italy, I would put them in an EngineeringCustomary or something similar but they might feel at home also in an SI-affine system together with kilogram-force, etc.

B) Some units that may be common in US engineering practice (it is an assumption I make based in their presence in most engineering computer programs):
1) kilopound (1 kip = 1000 lb)
2) kilopound-force (1 kipf = 1000 lbf)



Reproducible: Always