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Shark TAS speeds 350 km/hour with Rotax 914?
Napísal Gryf design   
27/12/2011

After first results from Shark flights, we discussed influence of possible Rotax 914 installation.

We had preferred that not so much, excluding flying in mountain .

Now - one special customer was coming, often using his plane for special purposes - long distances in higher flight levels.

- so we gave to calculate which difference can be shown for Shark with Rotax 914 opposite to Rotax 912 ULS.

And we are really surprised!

Really, Rotax 914 does not have some sense for smaller flight levels, because installation of turbocharged engine brings higher cost, higher weight and lot of next complications - and if we will be not able to install  supercharger inside of existing Shark's shape, it will bring next aerodynamic drag of needed "bumble" for turbocharger ... and its bigger air intake.

But at 10 000 ft altitude, diffenence of TAS speed is around 50 km/hour - and max horizontal speed at 20 000 ft touch 350 km/hour!!!

Although they are theoretical analysis only, calculated by experienced aerodynamicist  Pavel Pištěcký - I am afraid, we cannot leave this potential ability of Shark aircraft.

This potential new value is here:

 

Jaro Dostal