RockenLog

Here’s a quick update of what’s going at at Turborockën.  We’ve moved on to the Turborocket Mk V design.  This unit has now been fabricated, and we are preparing the test stand for hot-fire testing.  Cold flow testing of the injectors allowed the computation of the injector orifice discharge coefficients. Also, the Turborocket design and analysis book is now more or less complete, at least, the manuscript of the book is complete.  There’s still a lot of…

The last e in Turborockën has four diacritic marks, or two pairs of a type of diacritic mark (we can only show one pair here, because, you know…).    So, what’s the deal with that?  Well, it turns out that the written English language actually uses a pair of diacritic marks, which are sometimes taken to be “umlauts”, a type of diacritic mark used in other written languages, notably German.  When used in English, these marks indicate…