Having been involved in R/C modeling for 13 years now, I have built many kits as well as scratch projects. All I can say is WOW....I am speechless. Harald Huf is a modern day Michelangelo!!!!
I did a little research on the plane and it is infact going to fly using a pair of Jetcat P200 engines each rated at:
Thrust: 45 lbs/inch² @ 112,000 RPM
Weight: 5 lbs
Diameter: 5.12 inches
RPM Range: 32,000 - 112,000 RPM
Exhaust gas temp.: 580°C-690°C
Fuel consumption: 24 oz per/min at full power
Fuel: Jet A1, 1-K kerosene
Lubrication: approximately 5% synthetic Oil in the fuel
Maintenance interval: 25 hours