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By OH6DC
How to send both fast and clean code? Obviously by using a telegraph key made of a speed skate and a bath sponge.
I built a base like this. The sponge acts as a key spring. It can be adjusted for best keying comfort by moving its position.
The skate blade is tightened between two pieces of steel at the front. The other keying wire is connected here...
... and the other here. The key knob is attached to a strip of steel which was splitted on the other end so that it fits the blade tightly.
The speed skate key is now ready for action, as seen in this video:
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