The base of crank case

The base of cylinder

The ready crankcase

The propeller's mount - hub, shaft with flange:

And test fitting of propellers mount

Cylinder's head - the most difficult part:

Real spark plug:

And my interpretation:

Real tapets:

And my ones:

Thrust box:

The stand:

and very usefool tool: side spanner for spark plugs:

Complet of parts: