Minutes ?
Only joking..
You will never wear out the motors unless you abuse them by burying them in the sand or flying in the rain.
The motors will still be fine long after the Spark is obsolete and gathering dust in a cupboard.
Harbourside Posted at 2017-8-16 07:47
Minutes ?
Only joking..
You will never wear out the motors unless you abuse them by burying them in the sand or flying in the rain.