I said hopefully because gravity fed nerfs work poorly. When the dart hits the flywheels, it is accelerated and shoots out. The rack and pinion then moves the feeder to the front, hopefully with a dart. It moves to the back using a rack and pinion system (shown below). To shoot, first the flywheels are powered. A wire also connects to the spring loaded part, so I can remove the shells, even if the turret is closed.Įach of the guns consists of a gravity fed magazine, a feeder and a flywheel shooter based on 2 outrunner motors. When pushed down, the motor gear disengages the big gear on the pan/open and the shell can be taken off. Because the gearing is heringbone, the gear locks the tilt in place. The tilt motor is a spring loaded hobby servo that pushes into the gear of the pan/open mechanism. the power for the turret comes in at the back.Įach gun has a separate tilt, a set of bearings for the tilt and 2 nerf guns. The tube also carry power wires, speaker wires and an Ethernet cable. The legs are only for show and cannot support any weight. The base has 2 aluminium tubes (painted black) that support the actual turret. Ideally I would love to have a free standing turret, but given the weight and the materials I can use, I have chosen a base. The base provides a support for the turret, and a place for the power supply and speakers. ![]() This is the big grey cabinet under the turret. ![]() Lets start at the bottom, and work our way up. It also allows me to use less than perfect pictures, so be aware. This is the amount of detail not everyone cares about the same, so I stashed it on this page. In this page I will give a rough overview of what is in the turret and what it does. The Making Of: Full Scale Portal Turret (Part 2).The Making Of: Full Scale Portal Turret (Part 1).
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