YS56 SR

The following video is an overview video of the YS56 SR engine.

We would like to extend our thanks to Probuild for supplying the engine for these videos and for ongoing flight testing and review.

YS56 SR

The following video takes you through stripping down the YS56 SR engine.

We would like to extend our thanks to Probuild for supplying the engine for these videos and for ongoing flight testing and review.

YS56 SR

The following video takes you through rebuilding the YS56 SR engine.

We would like to extend our thanks to Probuild for supplying the engine for these videos and for ongoing flight testing and review.

YS 91SR

The following is an overview of the YS 91SR engine.

Thanks to several people on this one:

Midland Helicopters and Robbe UK for supplying the engine, Trev Burley for allowing us to strip and rebuild his engine.