Engineer's Supercapacitor Santa

This supercapacitor powered, 3d printed, motorized rotating ornament has Engineer written all over it. Rudolph, riding in an airplane, pulls Santa round and round in this "not available in stores" device.

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Description

Print the various pieces.

Paint Santa and the Reindeer.

Remove the female end of a servo extension cable and solder two of the wires to the gear motor.

Insert the motor in the motor holder.

Glue the motor holder to the "ring with base."

Glue the "shaft connector" to the "flying bar."

Insert the shaft connector onto the motor shaft.

Remove the male end of a servo extension cable and connect two wires to the supercapacitor (or battery).

Plug the power cable and motor cables together and the ornament will run.

The supercapacitor (though it has a lot of farads) is rated for .4 watt hours of energy storage (that's less than half of what an AAA battery stores). The capacitor can be recharged in a minute or less (depending on the power supply attached) and can be recharged over 500,000 times. The ornament will run for many hours on a single charge.

Santa and the reindeer plane were created using clay by my wife, Annelle. They were scanned with a MakerBot Digitizer and combined with 123d designs using TinkerCad.

 Annelle did the painting.

Materials and methods

(1) 30 rpm 6 volt dc micro gear motor
http://www.amazon.com/gp/product/B009AQLDSS?psc=1&redirect=true&ref_=oh_aui_detailpage_o03_s00
(2) Servo motor extension cables
http://www.amazon.com/gp/product/B00X5IAZJK?keywords=servo%20extension%20cable&psc=1&qid=1449872847&ref_=sr_1_1&sr=8-1-spons

EITHER
(1) 350 farad 2.7 volt capacitor
http://www.amazon.com/gp/product/B0137ILPOQ?psc=1&redirect=true&ref_=oh_aui_detailpage_o04_s00
(1) digital voltmeter
(1) constant current bench power supply
OR
(1) Aa battery and holder

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Comments

B0b11a70e4b127d3c908d6a19b505ac2?default=blank&size=40Lyssens Yves commented ago

well done!

Mini mikephoto1Mike Rigsby published this design ago