140913 power calculations of thiiinksail© under different apparent wind scenarios 2 x ts820_thiiink

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HIGHLY CONFIDENTIAL Power calculations THiiiNKSail© Twin TS820 installation

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HIGHLY CONFIDENTIAL

Power calculations THiiiNKSail© Twin TS820 installation

Power calculations THiiiNKSail© under different apparent wind scenarios

        (max  value)      app.  Windangle°   Power  4  B9  (KW)   Power  5  B9  (KW)   Power  6  B9  (KW)   Power  7  B9  (KW)  

25   271   497   826   1268  30   473   867   1442   2214  35   710   1303   2167   3327  40   975   1789   2976   4569  45   1244   2282   3796   5829  

50   1560   2862   4760   7309  

60   2161   3964   6594   10125  70   2744   5034   8373   12856  80   3257   5976   9940   15262  90   3672   6736   11204   17203  100   3975   7291   12128   18622  110   4157   7625   12684   19476  

120   4213   7728   12854   19737  130   4140   7595   12634   19399  140   3942   7232   12030   18471  150   3625   6649   11060   16982  160   3197   5864   9754   14977  170   2672   4901   8152   12517  

180   2065   3789   6302   9677  

Power calculations THiiiNKSail© under different apparent wind scenarios

Propeller  efficiency   0.6  

Equivalent  power  under  assumed  propeller  efficiency  app.  Windangle°   Power  4  B9  (KW)   Power  5  B9  (KW)   Power  6  B9  (KW)   Power  7  B9  (KW)      

25   451   828   1377   2114      30   788   1445   2404   3691      35   1184   2171   3611   5545      40   1625   2981   4959   7615      45   2073   3804   6327   9715      50   2600   4769   7933   12181      60   3602   6607   10990   16875      70   4573   8389   13955   21427      80   5429   9959   16566   25436      90   6120   11226   18674   28672      

100   6624   12152   20214   31037      110   6928   12709   21140   32459      120   7021   12880   21424   32895      130   6901   12659   21057   32331      140   6571   12054   20050   30785      150   6041   11082   18433   28304      

If  Thiiinksail©  can  not  be  folded:  Drag  coeff.  for  a  slowly  rotaUng  (Barkley  eff.)  drum  (appr.):   0.5  

AddiUonal  equivalent  propulsion  power  when  Thiiinksai©l  is  not  folded  down  (in  straight  headwind)  windangle   True  wind  speed  4B9   True  wind  speed  5B9   True  wind  speed  6B9   True  wind  speed  7B9   True  wind  speed  8B9  0°   619   884   1232   1667   2215  

Albert Einstein and the Flettner rotor

”Even after the successful test of the BUCKAU in 1925 Mankind was still to stupid to make use of the technology” even though it was right under his nose ..!” Albert Einstein Source: Albert Einstein paper on flettner rotor University of Jerusalem

Flettner’s rotor ship was praised by Dr. Albert Einstein as having great practical importance” Source The New York Times - December 30 1961

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