If this rig is going to be with the props off, it would be worthwhile to purchase these motor covers:
https://www.amazon.com/Shaluoman-Protector-Dust-proof-YUNEEC-Typhoon/dp/B01IP26AKS/
https://www.amazon.com/Shaluoman-Protector-Dust-proof-YUNEEC-Typhoon/dp/B01IP26AKS/