The much-publicised UK ban on the sale of new petrol and diesel-engined cars by 2030 means carmakers are responding by investing billions in new electric cars, so you can expect the proportion of electric-car sales to continue increasing dramatically. I have not come across anything that looks like a viable solution as of yet.With sales of electric cars (also known as ‘battery electric vehicles’, or BEVs) having increased by 76% during 2021 compared to 2020, thereby accounting for around 12.5% of all registrations, it’s safe to say that EVs are well on their way to becoming mainstream. The blade weighs ~4lbs and the main motor is out of a run of the mill 120VAC 20" box fan.ĭoes anyone have any ideas for a new lift/release mechanism? I would appreciate it. Then using a servo to lift the lever when it was time to lower the blade (using the spindle from a lawnmower pull starter to allow the reverse free fall action). I also thought about fabricating a type of cog and lever/ratchet it would add an eccentric sound as the lever hit the cogs as the blade was raised. I would prefer something like an electric PTO clutch or similar to the clutch on an air conditioning compressor. Another motor repositions head, and everything resets.Īlthough my fishing reel solution was the only one I could come up with in my original short design time frame, and actually works well, I am unhappy with it.The victims head plops down, exposing goo, cool sounds, strobe lights, etc.When it is time for the super cool head slicing action another motor with a 'hammer' connected to it, spins and hits the cast button on the reel and the blade slides down.The action of the reel holds the blade up.
I am switching to AVR and upgrading my mechanics in preparation for the upcoming festivities at the end of Oct. I have a Halloween prop that I made and has served me faithfully for a few years.
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