More work on the control linkage of the butterfly valves:

Cutting out the clevis forks.

Turning clevis collar and pushrod end piece.

Part installed on 1.2mm brass rod,torque tube arm test fitted.

Two complete pushrods.

Installed & primed.

Butterfly valve closeup,the center muffler is slightly askew,but not readily visible.

Bellcrank closeup.

Another overall view.The planks on the transom are also barely visible,exactely the effect I was after.

Butterfly valves,bellcranks and connecting rods.

Bellcrank,ball joint and connecting rod.

Mufflers installed,lower hull weathering in progress,butterflyvalves and control apparatus installed.

Close up

General wiev,still missing the main pushrod, everything else in place.

Muffler details .