Simple Landing Gear with Retract Option

I was after some small, lightweight wheels that i could use on the bottom of an rc edf jet.

i needed the wheels to be free spinning and as light as possible.

i printed 3 of these complete models, i did not use the retract option to start with.

i used double stick tape to attach to the bottom of the jet.

When i tested this (inside the house) the jet rolled along the ground at only a quarter throttle.

Retract option - for this to work i had to make mods on the bottom of the jet to