Introduction: Crazyflie Nano Quadcopter Training Wheels

Build training wheels. Save propellers.

Below is the Crazyflie promotional video. Jump to 2:30 to the part that shows their "training wheels".

Step 1: Buy Crazyflie

Step 2: Step 2: Make Loops

I used some wire that my girlfriend uses to make jewelery.  the wire is really elastic and not very ductile which means it deforms easily but springs back to its original shape. Perfect for the bumper.

I used a 50mm piece of PVC to wind the wire around to achieve the desired loop size. The wire was twisted off. and one of the tails was cut short and one long.

Step 3: Make the Mounting Point

Bend one of the tails down inline with the outside of the loop. cut it so its about 10mm long.
 

Step 4: Tie Loops Together

I used some enamelled copper wire for electronics to connect the loops together. 

Step 5: Welding for Final Position

Turn the crazyflie over and use the bottom as a jig. Insert each of the tails of the loops into the vias in the corner of the crazyflie. Using a soldering iron tack the copper joints. As you are working around make sure to lift the loops level. After you have finished welding, pop the loops out and change it to the topside. 

Step 6: Fly and Crash Gently!

Here is a video of a "planned" crash. I drove the copter into the wall. Unfortunately because the bumper wire is below the centre of thrust the copter pitches over and slides down the wall.

It does however, bounce nicely off the floor.

The result wasn't exactly as I hoped. Plan is to rebuild with the bumper higher (in line with the propellers).

The tags underneath that I threaded through the vias also helped to make a springy landing gear which is an unplanned feature that could be expanded on. 

Comments

author
webbje (author)2014-10-17

Works a treat! Thanks for that, can now learn to fly with a little more confidence.

author
cstewart000 (author)webbje2015-01-22

glad to hear it

author
Sidharth s (author)2014-12-30

What Does It Cost?

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