Originally Posted by
DaveReidUK
Are you suggesting that fuelling in cubic metres could catch on ?
Ok, call it kilo-liters if m3 sounds overly continental for the islands. 8-)
Two morals of the story:
- mg (mass) / l (volume) is perhaps fine for a winery (density 1,005 - marginal error). For jet A1 (0,785) and Kathon (1,05) mixing volumetric and mass units gives you a nice compound error 26% even if you get the multipliers right and/or avoid the trap of mis-reading a comma in-lieu of a dot for the decimal divider.
- If there's ml one side, for PPM to work instinctively i.e. avoiding the order-of-magnitude error, you need to have kilo-liters (m^3) on the other. Well pointed that's not the case, hence the argument of PPM being a stupid choice of a field-deployable unit.
Question stands. Which units - weight or volume - are used in the original Kathon recipe of the AMM?