Rocket powered spring
Discussion
interesting concept, but i think once you depress the button to extend the nib the whole internal nib+inktank could drive itself through your desk when the rocket booster lighted. this could be quite amusing unless it carried through with such force as to eventually pin your foot to the ground...
Rocket powered spring for pen? No problem. Cut up your rocket (or any other leafy salad plant) into small pieces, compress them into a air-tight cylinder with a piston. The piston is attached to the pen nib. As the rocket decays, it will produce gases that will push the piston up the cylinder and out pops your nib! Do I get a prize?
gasblaster said:
Rocket powered spring for pen? No problem. Cut up your rocket (or any other leafy salad plant) into small pieces, compress them into a air-tight cylinder with a piston. The piston is attached to the pen nib. As the rocket decays, it will produce gases that will push the piston up the cylinder and out pops your nib! Do I get a prize? ![]()
You deserve one mate

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What do you want the rocket to do excactly?