I was asked by someone HOW the pump was going to be implemented in sim and I thought some people here might like the explanation or get some ideas for other 1:1 build interfaces.
So here goes:
The top cylinder piston will rest against a "break to make " limit switch. As the handle is moved forward the piston will move off the limit, breaking the connection and the switch will close and the signal be sent to " pump ". That signal will remain active until the stroke is completed on the pump handle and that, if pumped at a normal speed, will be about the time it takes the in sim pump handle to move through one stroke (hence the need for the break to make circuit.)
The bottom cylinder, the "real" one, has a heavy spring inserted in the rear, giving resistance to the pump handle and holding it upright when at rest. Mimicking the hydraulics nicely.
The valve handle will probably have the locking pin wires run forward to a pulley, looping back and mounted on the front bulkhead. Attached to the pulley will be a cam which will close another limit switch when the gear position is selected as down.
That switch will send a "down" offset when closed and an "up" offset on opening. This will mean that the joystick button allocated will only be on when the gear is down...leaving the system less loaded during flight.
Wiring will therefore be able to be run as per the real unit's "up light" circuit switch which is mounted on the rear and operated by a tyne which comes off the locking pin lever and engages when gear is in the raised position. THAT switch in sim will actually not be needed and the wiring will run in through the side of a fake switch into the rear of the unit and on to the "pump" limit switch.....see, simple
A LOT of planning and designing and about 30 individual parts make up the pump assembly!