Best I could find were these: Wrist: Demon D3O Skate Elbow: Knox Cross Elbow Guards Knee: Arcteryx Leaf Knee Caps

@wheelrich great. I'll take a look at that fender, thanks

Thanks for all the feedback, it put my mind at rest. Really fascinating to hear how the sound relates to the motor mechanics. Cheers!

@skyman88 extremely helpful, thanks! You now have me reconsidering float plates...

@skyman88 Agree! straight lines are not only boring, but they lead to increased fatigue on your legs and your feet.