Modular Geared Hobby Motor (MM10) Generator Assembly

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This Is A Modular Assembly To Sandwich Together A Number Of Small Hobby Motors (Mm10 Size). These Motors Can Be Scavenged From All Sorts Of Throwaway Products And Toys. I Took A Couple Of These From Some Vibrating Toothbrushes. Here Is A Video Which Shows The Gear Motion (Https://Youtu.Be/Mjiyzf06Kfg) There Is Another On My Channel Which Shows One Motor Being Driven By A 9V Battery. This Assembly Was Designed To Couple With My Cd Tesla Turbine (Http://Www.Thingiverse.Com/Thing:595380) And I Have Included A Video From Testing Here (Https://Youtu.Be/Pvro0Fs4Lue). With The Faucet On Nearly Full, I Got Only 0.5V From A Single Motor (Last In Train Of 4)--Since These Run At 12000Rpm Driven At 3V, I Guess That Would Put The Motor Rpm Somewhere Around 2000 Or So. I Have Not Yet Tried To Wire These All Up Appropriately And Link To A Battery For Charging, But Plan To Do So If I Can Get The Total Voltage Up To ~5V. I May Also Make A Hand Crank Coupling To Mate With With Something Like Http://Www.Thingiverse.Com/Thing:135718. As You Can See From The Second Image (And Perhaps The Video As Well), There Is Some Serious Splashing, So I May Need To Make A Cover To Protect The Motors For This Particular Application---And I Need To Optimize The Exit Flow Path Of My Turbine To Avoid So Much Water Coming Out The Shaft And Getting Flung Everywhere On The Driver Gear... I Hope Someone Else Finds This Interesting And Useful.

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