My second MOC from the Steampunk genre is the BARC speeder. This one actually started out as an Arakyd 74-Z, but I ultimately decided to take the best of both speeders and hide the 74-Z characteristics, because (1) the BARC's exposed propulsion jets were easier on the believability factor, and (2) I could 'Steampunkify' the name "BARC" into "Bi-thruster Assault and Reconnaissance Calvary", but not "74-Z". The only visible remainder of the 74-Z is the dual rods leading to the steering vanes, but that was for believability.
About this creation
How it Works:
>To take off, the pilot uses his flint to light a fire in the boiler. He opens the lower throttle, which provides lift, then the top, which provides forward movement.
>Retracting and dropping the landing gear: I think of this like a pen: pull to retract; pull even farther to disengage the latch holding the strut up, letting the gear drop.
>Steering: Push down on the appropriate pedal, which pulls a chain, which pulls the appropriate steering vane outward. Sharpness of turn is relative tho the amount of pressure applied to the pedal. Steering vanes automatically snap back when pressure is released.
>Firing and reloading: Twist the joystick in the right hand counter-clockwise to fire, twisting clockwise reloads
>Shutting down: Landing gear is dropped, trust is decreased, and pushing the big button on the saddle dumps all the water in the boiler onto the fire. *hissssssssss*"AH! A SN-ake. Never mind"
>Fuel: Extra water and oil is contained in dual tanks forward of the saddle. As the bike moves forward (and expends fuel), air passes over fans inside the vented part of the tanks. The fans will turn, and turn paddles that force more water and fuel into the boiler. The amount of extra fuel is precision calibrated to be the exact same amount that was expended in order to get the bike to its current speed. In short, (1) opening the throttle causes more fuel to be burned, (2) which causes the bike to go faster, (3) which causes more fuel to be pumped to the boiler, (4) which is the same amount as was burned is Step 1. So, there is never too much or too little water and oil in the boiler. Oh, and the boiler actually burns wood, but the oil fuels the wood so that the wood doesn't burn up too fast. And because wood is not a liquid. If, in the case that there is too much steam and the throttle is closed (say, a sudden stop), those cones on the back are vents to release the extra steam.
Why choose Legoarts?
A rifle mounted below the chassis gives this mechanized, hovering 'horse' the offensive power to safely scout enemy territory.
A bottom mounted rotor provides lift, and the thrust provided by the rear rotor is focused inside a...uh...barrel for maximum power.
Pedals chain-linked to the dual steering vanes provide an previously unheard of amount of control.
All that control is for noting if you can't land. Retractable forward landing gear lets you set down in the roughest terrain.
Our speeder's saddle allows a natural, comfortable seating arrangement.
Quoting Juan Carranza
I dare you to make a steampunk AT-AT
Let's see, chain-driven legs, massive tubular boiler on belly, furnace and fuel in mid-section, spring-retracted zip lines, dual Pirates cannon and four muskets on the head = all possible! Massive amounts of brown = not possible. Sorry.