This is Bilsam Aviation Industries. It builds classic piston and Wankel rotary engines for General Aviation.

-The four-stroke piston engines have four cylinders. they are the models LS-1000 and LS-1300.

-They have mechanical reducing gear. The LS-1000 gives 80 CV at 6,000 rpm.

"Bilsam LS-1300"

-The Bilsam LS-1300 delivers 120 CV at the same speed.

-The models that follow are rotary engines with triangular rotary pistons like Wankel:

-The RXB8-SR giving 100 CV. The RXB8-SR-XP giving 120 CV and the RXB8-TR, delivering 245 CV.

"Bilsam rotary"

-The advantage of having a rotary piston is that with two bodies it is like an equivalent 6-cylinder engine. They rotate like turbines free from vibrations. The technology is that of Mazda.